ZnO nanowires: Synthesis approaches and electrical properties

Nanowires: Synthesis, Electrical Properties and Uses in Biological Systems

Volumn , Issue , 2014, Pages 1-57

  Ottone, Carminna ^a   Laurenti, Marco ^a   Motto, Paolo ^a   Stassi, Stefano ^a   Demarchi, Danilo ^a   Cauda, Valentina ^a  

^a ISTITUTO ITALIANO DI TECNOLOGIA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL VAPOR DEPOSITION; ENERGY CONVERSION; FIELD EFFECT TRANSISTORS; HYDROTHERMAL SYNTHESIS; II-VI SEMICONDUCTORS; MAGNETIC SEMICONDUCTORS; MAGNETRON SPUTTERING; NANOWIRES; PHOTOELECTROCHEMICAL CELLS; PHOTOVOLTAIC CELLS; PHOTOVOLTAIC EFFECTS; PULSED LASER DEPOSITION; SOL-GEL PROCESS; SOL-GELS; WIDE BAND GAP SEMICONDUCTORS; ZINC OXIDE;

CHEMICAL VAPOR DEPOSITIONS (CVD); ELECTRODEPOSITION PROCESS; FUNCTIONAL PROPERTIES; MORPHOLOGICAL FEATURES; PIEZOELECTRIC BEHAVIOR; RF-MAGNETRON SPUTTERING; SYNTHESIS TECHNIQUES; TEMPLATE-ASSISTED GROWTH;

SEMICONDUCTING ZINC COMPOUNDS;

EID: 84949199278     PISSN: None     EISSN: None     Source Type: Book    
DOI: None     Document Type: Chapter

References (189)

1. Morkoç, H.; Özgür, ü., Zinc Oxide: Fundamentals, Materials and Device Technology. Wiley-WCH: 2009.
2. Gomez, J.; Tigli, O., Zinc oxide nanostructures: from growth to application. J. Mater. Sci. 2013, 48 (2), 612-624.
3. Wang, Z. L., Zinc oxide nanostructures: growth, properties and applications. J. Phys.: Condens. Matter. 2004, 16, R829-R858.
4. Wang, Z. L., ZnO nanowire and nanobelt platform for nanotechnology. Materials Science and Engineering: R: Reports 2009, 64 (3-4), 33-71.
5. Wang, Z. L.; Song, J., Piezoelectric Nanogenerators Based on Zinc Oxide Nanowire Arrays. Science 2006, 312, 242-246.
6. Ozgur, U.; Alivov, Y. I.; Liu, C.; Teke, A.; Reshchikov, M. A.; Dogan, S.; Avrutin, V.; Cho, S.-J.; Morkoc, H., A comprehensive review of ZnO materials and devices. J. Appl. Phys. 2005, 98 (4), 041301.
7. Tian, Z. R.; Voigt, J. A.; Liu, J.; McKenzie, B.; McDermott, M. J.; Rodriguez, M. A.; Konishi, H.; Xu, H., Complex and oriented ZnO nanostructures. Nat. Mater. 2003, 2 (12), 821-826.
8. Xu, S.; Wang, Z. L., One-Dimensional ZnO Nanostructures: Solution Growth and Functional Properties. Nano Res. 2011, 4 (11), 1013-1098.
9. Xu, C.; Shin, P.; Cao, L.; Gao, D., Preferential Growth of Long ZnO Nanowire Array and Its Application in Dye-Sensitized Solar Cells. J. Phys. Chem. C 2009, 114 (1), 125-129.
10. Weintraub, B.; Zhou, Z.; Li, Y.; Deng, Y., Solution synthesis of onedimensional ZnO nanomaterials and their applications. Nanoscale 2010, 2, 1573-1587.
11. Pacholski, C.; Kornowski, A.; Weller, H., Self-Assembly of ZnO: From Nanodots to Nanorods. Angew. Chem. Int. Ed. 2002, 41 (7), 1188-1191.
12. Öztürk, S.; Tasaltin, N.; Kilinç, N.; Yüzer, H.; öztürk, Z. Z., Fabrication of ZnO nanowires at room temperature by cathodically induced sol-gel method. Appl. Phys. A 2010, 99, 73-78.
13. Ramirez, D.; Pauporte, T.; Gomez, H.; Lincot, D., Electrochemical growth of ZnO nanowires inside nanoporous alumina templates. A comparison with metallic Zn nanowires growth. Phys. Status Solidi A 2008, 205 (10), 2371- 2375.
14. Bechelany, M.; Amin, A.; Brioude, A.; Cornu, D.; Miele, P., ZnO nanotubes by template-assisted sol-gel route. J. Nanopart. Res. 2012, 14, 980-987.
15. Huang, M. H.; Wu, Y.; Feick, H.; Tran, N.; Weber, E.; Yang, P., Catalytic Growth of Zinc Oxide Nanowires by Vapor Transport. Adv. Mater. 2001, 13 (2), 113-116.
16. Zhu, Z.; Chen, T.-L.; Gu, Y.; Warren, J.; Osgood, R. M., Zinc Oxide Nanowires Grown by Vapor-Phase Transport Using Selected Metal Catalysts: A Comparative Study. Chemistry of Materials 2005, 17 (16), 4227-4234.
17. Yu, D.; Trad, T.; McLeskey, J.; Craciun, V.; Taylor, C., ZnO Nanowires Synthesized by Vapor Phase Transport Deposition on Transparent Oxide Substrates. Nanoscale Res. Lett. 2010, 5 (8), 1333 - 1339.
18. Wu, J. J.; Liu, S. C., Catalyst-Free Growth and Characterization of ZnO Nanorods. J. Phys. Chem. B 2002, 106, 9546.
19. Park, W. I.; Kim, D. H.; Jung, S. W.; Yi, G. C., Metalorganic vapor-phase epitaxial growth of vertically well-aligned ZnO nanorods. . Appl. Phys. Lett. 2002, 80, 4232-4234.
20. Sun, Y.; Fuge, G. M.; Ashfold, M. N. R., Growth of aligned ZnO nanorod arrays by catalyst-free pulsed laser deposition methods. . Chem. Phys. Lett. 2004, 396, 21-26.
21. Chiou, W. T.; Wu, W. Y.; Ting, J. M., Growth of single crystal ZnO nanowires using sputter deposition. . Diam. Relat. Mater. 2003, 12, 1841- 1844.
22. Govender, K.; Boyle, D. S.; Kenway, P. B.; O'Brien, P., Understanding the factors that govern the deposition and morphology of thin films of ZnO from aqueous solution. J. Mater. Chem. 2004, 14, 2575-2591.
23. Chen, P.; Gu, L.; Xue, X.; Song, Y.; Zhua, L.; Cao, X., Facile synthesis of highly uniform ZnO multipods as the supports of Au and Ag nanoparticles. Mater. Chem. Phys. 2010, 122, 41-48.
24. Jiang, P.; Zhou, J.-J.; Fang, H.-F.; Wang, C.-Y.; Wang, Z. L.; Xie, S.-S., Hierarchical Shelled ZnO Structures Made of Bunched Nanowire Arrays. Adv. Funct. Mater. 2007, 17, 1303-1310.
25. Rivera, V. F.; Auras, F.; Motto, P.; Stassi, S.; Canavese, G.; Celasco, E.; Bein, T.; Onida, B.; Cauda, V., Length-dependent charge generation from vertical arrays of high-aspect ratio ZnO nanowires. Chem. Eur. J. 2013, doi: 10.1002/chem.201204429.
26. Zhitao, H.; Sisi, L.; Junjun, L.; Jinkui, C.; Yong, C., Facile synthesis of ZnO nanowires on FTO glass for dye-sensitized solar cells. J. Semiconductors 2013, 34 (7), 074002.
27. Greene, L. E.; Law, M.; Tan, D. H.; Montano, M.; Goldberger, J.; Somorjai, G.; Yang, P., General Route to Vertical ZnO Nanowire Arrays Using Textured ZnO Seeds. Nano Lett. 2005, 5 (7), 1231-1236.
28. Liu, J. P.; Xu, C. X.; Zhu, G. P.; Li, X.; Cui, Y. P.; Yang, Y.; Sun, X. W., Hydrothermally grown ZnO nanorods on self-source substrate and their field emission. J. Phys. D, Appl. Phys. 2007, 40 (7), 1906.
29. Laurenti, M.; Cauda, V.; Gazia, R.; Fontana, M.; Rivera, V. F.; Bianco, S.; Canavese, G., Wettability control on ZnO nanowires driven by seed layer properties. Eur. J. Inorg. Chem. 2013, 2013 (14), 2520-2527.
30. Podrezova, L. V.; Cauda, V.; Cicero, G.; Fontana, M.; Porro, S., Comparison between ZnO nanowires grown by chemical vapour deposition and hydrothermal synthesis. Appl. Phys A 2013, 113, 623-632.
31. Elias, J.; Tena-Zaera, R.; Lévy-Clément, C., Electrochemical deposition of ZnO nanowire arrays with tailored dimensions. Journal of Electroanalytical Chemistry 2008, 621 (2), 171-177.
32. Zheng, M.; Zhang, L.; Li, G.; Shen, W., Fabrication and optical properties of large-scale uniform zinc oxide nanowire arrays by one-step electrochemical deposition technique. Chemical Physics Letters 2002, 363 (1), 123-128.
33. Pruna, A.; Pullini, D.; Mataix, D. B., Influence of deposition potential on structure of ZnO nanowires synthesized in track-etched membranes. Journal of The Electrochemical Society 2012, 159 (4), E92-E98.
34. Postels, B.; Bakin, A.; Wehmann, H.-H.; Suleiman, M.; Weimann, T.; Hinze, P.; Waag, A., Electrodeposition of ZnO nanorods for device application. Applied Physics A 2008, 91 (4), 595-599.
35. Xu, L.; Guo, Y.; Liao, Q.; Zhang, J.; Xu, D., Morphological Control of ZnO Nanostructures by Electrodeposition. The Journal of Physical Chemistry B 2005, 109 (28), 13519-13522.
36. A. Kathalingam, M. R. K., Y. S. Chae and J. K. Rhee, Studies on Electrochemically Deposited ZnO Thin Films Journal of the Korean Physical Society 2009, 55 (6), 2476 - 2481.
37. Öztürk, S.; Tasaltin, N.; Kilinç, N.; Yüzer, H.; öztürk, Z. Z., Fabrication of ZnO nanowires at room temperature by cathodically induced sol-gel method. Applied Physics A 2010, 99 (1), 73-78.
38. Wang, Z.; Li, H., Highly ordered zinc oxide nanotubules synthesized within the anodic aluminum oxide template. Applied Physics A 2002, 74 (2), 201- 203.
39. Coasne, B.; Mezy, A.; Pellenq, R. J. M.; Ravot, D.; Tedenac, J. C., Zinc Oxide Nanostructures Confined in Porous Silicas. Journal of the American Chemical Society 2009, 131 (6), 2185-2198.
40. Cao, G.; Liu, D., Template-based synthesis of nanorod, nanowire, and nanotube arrays. Advances in colloid and interface science 2008, 136 (1), 45-64.
41. Sulka, G.; Stroobants, S.; Moshchalkov, V.; Borghs, G.; Celis, J.-P., Synthesis of well-ordered nanopores by anodizing aluminum foils in sulfuric acid. Journal of The Electrochemical Society 2002, 149 (7), D97- D103.
42. Li, L.; Pan, S.; Dou, X.; Zhu, Y.; Huang, X.; Yang, Y.; Li, G.; Zhang, L., Direct electrodeposition of ZnO nanotube arrays in anodic alumina membranes. The Journal of Physical Chemistry C 2007, 111 (20), 7288- 7291.
43. Ottone, C.; Bejtka, K.; Chiodoni, A.; Farías, V.; Canavese, G.; Stassi, S.; Cauda, V., Comprehensive study of the templating effect on the ZnO nanostructure formation within porous hard membranes. New J. Chem. 2014, 10.1039/C3NJ01135F.
44. Pierson, H. O., Handbook of Chemical Vapor Deposition (CVD), Principles, Technology, and Applications. Second Edition ed.; William Andrew Publishing, LLC: Norwich, New York 1999.
45. Wu, C. L.; Chang, L.; Chen, H. G.; Lin, C. W.; Chang, T. F.; Chao, Y. C.; Yan, J. K., Growth and characterization of chemical-vapor-deposited zinc oxide nanorods. Thin Solid Films 2006, 498, 137-141.
46. Wei, M.; Zhi, D.; MacManus-Driscoll, J. L., Self-catalysed growth of zinc oxide nanowires. Nanotechnology 2005, 16, 1364-1368.
47. Chang, P.-C.; Fan, Z.; Wang, D.; Tseng, W.-Y.; Chiou, W.-A.; Hong, J.; Lu, J. G., ZnO nanowires synthesized by vapor trapping CVD method. Chem. Mater. 2004, 16, 5133-5137.
48. Cha, S. N.; Song, B. G.; Jung, J. E.; Han, I. T.; Ha, J. H.; Hong, J. P.; Kang, D. J.; Kim, J. M., Controlled growth of vertically aligned ZnO nanowires with different crystal orientation of the ZnO seed layer. Nanotechnology 2008, 19, 235601.
49. Li, C.; Fang, G.; Li, J.; Ai, L.; Dong, B.; Zhao, X., Effect of seed layer on structural properties of ZnO nanorod arrays grown by vapor-phase transport. J. Phys. Chem. C 2008, 112, 990-995.
50. Das, S. N.; Kar, J. P.; Xiong, J.; Myoung, J.-M., Syntehsis of ZnO Nanowire by MOCVD technique: effect of substrate and growth parameter. InTech Open: 2012.
51. Juàrez, J. M.; Andraca, J. A.; Cuenca, R.; Jaramillo, D.; Juàrez, F., MOCVD growth of ZnO nanowires through colloidal and sputtered Au seed via Zn[TMHD]2 precursor. Physics Procedia E 2012, 25, 278-286.
52. Kim, S.-W.; Fujita, S.; Fujita, S., ZnO nanowires with high aspect ratios grown by metalorganic chemical vapor deposition using gold nanoparticles. Appl. Phys. Lett. 2005, 86, 153119-3.
53. Xu, S.; Lao, C.; Weintraub, B.; Wang, Z. L., Density-controlled growth of aligned ZnO nanowire arrays by seedless chemical approach on smooth surfaces. J. Mater. Res. 2008, 23.
54. Lee, W.; Jeong, M.-C.; Myoung, J.-M., Catalyst-free growth of ZnO nanowires by metal-organic chemical vapor deposition (MOCVD) and thermal evaporation. Acta Materialia 2004, 52, 3949-3957.
55. Black, K.; Chalker, P. R.; Jones, A. C.; King, P. J.; Roberts, J. L.; Heys, P. N., A new method for the growth of zinc oxide nanowires by MOCVD using oxygen-donor adducts of dimethylzinc. Chem. Vap. Deposition 2010, 16, 106-111.
56. Valerini, D.; Caricato, A. P.; Lomascolo, M.; Romano, F.; Taurino, A.; Tunno, T.; Martino, M., Zinc oxide nanostructures grown by pulsed laser deposition. Appl. Phys. A 2008, 93, 729-733.
57. Franklin, J. B.; Zou, B.; Petrov, P.; McComb, D. W.; Ryan, M. P.; Lachlan, M. A. M., Optimised pulsed laser deposition of ZnO thin films on transparent conducting substrates. J. Mater. Chem. 2011, 21, 8178-8182.
58. Lemlikchi, S.; Abdelli-Messaci, S.; Lafane, S.; Kerdja, T.; Guittoum, A.; Saad, M., Study of structural and optical properties of ZnO films grown by pulsed laser deposition. Appl. Surf. Sci. 2010, 256, 5650-5655.
59. Cao, B. Q.; Lorenz, M.; Rahm, A.; Wenckstern, H. v.; Czekalla, C.; Lenzner, J.; Benndorf, G.; Grundmann, M., Phosphorus acceptor doped ZnO nanowires prepared by pulsed-laser deposition. Nanotechnology 2007, 18, 455707-5.
60. Rahm, A.; Lorenz, M.; Nobis, T.; Zimmermann, G.; Grundmann, M.; Fuhrmann, B.; Syrowatka, F., Pulsed-laser deposition and characterization of ZnO nanowires with regular lateral arrangement. Appl. Phys. A 2007, 88, 31-34.
61. Liu, Z. W.; Ong, C. K.; Yu, T.; Shen, Z. X., Catalyst-free pulsed-laserdeposited ZnO nanorods and their room-temperature photoluminescence properties. Appl. Phys. Lett. 2006, 88, 053110-3.
62. Hartanto, A. B.; Ning, X.; Nakata, Y.; Okada, T., Growth mechanism of ZnO nanorods from nanoparticles formed in a laser ablation plume. Appl. Phys. A 2004, 78, 299-301.
63. Yang, B.; Kumar, A.; Zhang, H.; Feng, P.; Katiyar, R. S.; Wang, Z., Growth of ZnO nanostructures on metallic and semiconducting substrates by pulsed laser deposition technique. J. Phys. D Appl. Phys. 2009, 42, 045415-7.
64. Koidis, C.; Logothetidis, S.; Georgiou, D.; Laskarakis, A., In-situ and realtime investigation of ZnO thin films growth onto rigid and flexible substrates. Phis. Stat. Sol. C 2008, 5, 1366-1369.
65. Dang, W. L.; Fu, Y. Q.; Luo, J. K.; Flewitt, A. J.; Milne, W. I., Deposition and characterization of sputtered ZnO films. Superlattice Microst. 2007, 42, 89-93.
66. Pan, C. T.; Liu, Z. H.; Chen, Y. C.; Liu, C. F., Design and fabrication of flexible piezo-microgenerator by depositing ZnO thin films on PET substrates. Sens. Actuat. A 2010, 159, 96-104.
67. Choi, D.; Lee, K. Y.; Lee, K. H.; Kim, E. S.; Kim, T. S.; Lee, S. Y.; Kim, S.-W.; Choi, J.-Y.; Kim, J. M., Piezoelectric touch-sensitive flexible hybrid energy harvesting nanoarchitectures. Nanotechnology 2010, 21, 405503-6.
68. Kuoni, A.; Holzherr, R.; Boillat, M.; Rooij, N. F. d., Polyimide membrane with ZnO piezoelectric thin film pressure transducers as a differential pressure liquid flow sensor. J. Micromech. Microeng. 2003, 13, S103-S107.
69. Kim, S.; Jeong, M.-C.; Oh, B.-Y.; Lee, W.; Myoung, J.-M., Fabrication of Zn/ZnO nanocables through thermal oxidation of Zn nanowires grown by RF magnetron sputtering. J. Cryst. Growth 2006, 290, 485-489.
70. Choopun, S.; Hongsith, N.; Tanunchai, S.; Chairuangsri, T.; Krua-in, C.; Singkarat, S.; Vialithong, T.; Mangkorntong, P.; Mangkorntong, N., Singlecrystalline ZnO nanobelts by RF sputtering. J. Cryst. Growth 2005, 282, 365-369.
71. Chen, M.-T.; Ting, J.-M., Sputter deposition of ZnO nanorods/thin-film structures on Si. Thin Solid Films 2006, 494, 250-254.
72. Usuda, M.; Hamada, N.; Kotani, T.; van Schilfgaarde, M., All-electron GW calculation based on the LAPW method: Application to wurtzite ZnO. Phys. Rev. B 2002, 66 (12).
73. Jaffe, J. E.; Snyder, J. A.; Lin, Z. J.; Hess, A. C., LDA and GGA calculations for high-pressure phase transitions in ZnO and MgO. Phys. Rev. B 2000, 62 (3), 1660-1665.
74. Chelikowsky, J. R., Oxygen Pseudopotential - Application to Electronic- Structure of Zno. Solid State Commun. 1977, 22 (6), 351-354.
75. Rössler, U., Energy Bands of Hexagonal II-VI Semiconductors. Phys. Rev. 1969, 184, 733-738.
76. Bloom, S.; Ortenbur.I, Pseudopotential Band-Structure of Zno. Phys. Status Solidi B 1973, 58 (2), 561-566.
77. Ivanov, I.; Pollmann, J., Electronic-Structure of Ideal and Relaxed Surfaces of Zno - a Prototype Ionic Wurtzite Semiconductor and Its Surface- Properties. Phys. Rev. B 1981, 24 (12), 7275-7296.
78. Vogel, D.; Kruger, P.; Pollmann, J., Ab-Initio Electronic-Structure Calculations for Ii-Vi Semiconductors Using Self-Interaction-Corrected Pseudopotentials. Phys. Rev. B 1995, 52 (20), 14316-14319.
79. Broser, I.; Broser, R.; Finkenrath, H.; Galazka, R. R.; Gumlich, H. E.; Hoffmann, A.; Kossut, J.; Mollwo, E.; Nelkowski, H.; Nimtz, G.; Osten, W. v. d.; Rosenzweig, M.; Schulz, H. J.; Theis, D.; Tschierse, D., Physics of IIZnO VI and I-VII Compounds, Semimagnetic Semiconductors. Springer: 1982; Vol. 17b, p 543.
80. Sheng, H.; Muthukumar, S.; Emanetoglu, N. W.; Lu, Y., Schottky diode with Ag on (11(2)over-bar0) epitaxial ZnO film. Appl. Phys. Lett. 2002, 80 (12), 2132-2134.
81. Minami, T.; Sato, H.; Nanto, H.; Takata, S., Group III Impurity Doped Zinc Oxide Thin Films Prepared by RF Magnetron Sputtering. J. Appl. Phys. 1985, 24, L781-L784.
82. Zhang, S. B.; Wei, S. H.; Zunger, A., Intrinsic n-type versus p-type doping asymmetry and the defect physics of ZnO. Phys. Rev. B 2001, 63 (7), 205.
83. Lee, E. C.; Kim, Y. S.; Jin, Y. G.; Chang, K. J., Compensation mechanism for N acceptors in ZnO. Phys. Rev. B 2001, 64 (8), 085120.
84. Van de Walle, C. G., Hydrogen as a cause of doping in zinc oxide. Phys. Rev. Lett. 2000, 85 (5), 1012-1015.
85. Albrecht, J. D.; Ruden, P. P.; Limpijumnong, S.; Lambrecht, W. R. L.; Brennan, K. F., High field electron transport properties of bulk ZnO. J. Appl. Phys. 1999, 86 (12), 6864-6867.
86. Look, D. C., Recent advances in ZnO materials and devices. Mat. Sci. Eng. B-Solid 2001, 80 (1-3), 383-387.
87. Mead, C. A., Metal-semiconductor surface barriers. Solid-State Electron. 1966, 9 (11-12), 1023-1033.
88. Allen, M. W.; Alkaisi, M. M.; Durbin, S. M., Metal Schottky diodes on Znpolar and O-polar bulk ZnO. Appl. Phys. Lett. 2006, 89 (10), 103520.
89. Allen, M. W.; Durbin, S. M., Influence of oxygen vacancies on Schottky contacts to ZnO. Appl. Phys. Lett. 2008, 92 (12), 053512.
90. Allen, M. W.; Durbin, S. M.; Metson, J. B., Silver oxide Schottky contacts on n-type ZnO. Appl. Phys. Lett. 2007, 91 (5), 122110.
91. Brillson, L. J.; Mosbacker, H. L.; Hetzer, M. J.; Strzhemechny, Y.; Jessen, G. H.; Look, D. C.; Cantwell, G.; Zhang, J.; Song, J. J., Dominant effect of near-interface native point defects on ZnO Schottky barriers. Appl. Phys. Lett. 2007, 90 (10), 102116.
92. Mosbacker, H. L.; El Hage, S.; Gonzalez, M.; Ringel, S. A.; Hetzer, M.; Look, D. C.; Cantwell, G.; Zhang, J.; Song, J. J.; Brillson, L. J., Role of subsurface defects in metal-ZnO(0001) Schottky barrier formation. J. Vac. Sci. Technol. B 2007, 25 (4), 1405-1411.
93. Nakano, M.; Tsukazaki, A.; Gunji, R. Y.; Ueno, K.; Ohtomo, A.; Fukumura, T.; Kawasaki, M., Schottky contact on a ZnO (0001) single crystal with conducting polymer. Appl. Phys. Lett. 2007, 91 (14), 142113.
94. Oh, M. S.; Hwang, D. K.; Lim, J. H.; Choi, Y. S.; Park, S. J., Improvement of Pt Schottky contacts to n-type ZnO by KrF excimer laser irradiation. Appl. Phys. Lett. 2007, 91 (4), 042109.
95. Gunji, R. Y.; Nakano, M.; Tsukazaki, A.; Ohtomo, A.; Fukumura, T.; Kawasaki, M., Polymer Schottky contact on O-polar ZnO with silane coupling agent as surface protective layer. Appl. Phys. Lett. 2008, 93 (1), 012104.
96. S. Kurtin, T. C. M., and C. A. Mead, Fundamental Transition In The Electronic Nature Of Solids. Phys. Rev. Lett. 1969, 22, 1433-1436.
97. Schottky, W., Halbleitertheorie der Sperrschicht. Die Naturwissenschaften 1938, 26 (52), 843-843.
98. Polyakov, A. Y.; Smirnov, N. B.; Kozhukhova, E. A.; Vdovin, V. I.; Ip, K.; Norton, D. P.; Pearton, S. J., Properties of Au and Ag Schottky diodes prepared on undoped n-ZnO. J. Vac. Sci. Technol. B 2003, 21 (5), 1603- 1608.
99. Polyakov, A. Y.; Smirnov, N. B.; Kozhukhova, E. A.; Vdovin, V. I.; Ip, K.; Heo, Y. W.; Norton, D. P.; Pearton, S. J., Electrical characteristics of Au and Ag Schottky contacts on n-ZnO. Appl. Phys. Lett. 2003, 83 (8), 1575- 1577.
100. Oh, D. C.; Kim, J. J.; Makino, H.; Hanada, T.; Cho, M. W.; Yao, T.; Ko, H. J., Characteristics of Schottky contacts to ZnO: N layers grown by molecular-beam epitaxy. Appl. Phys. Lett. 2005, 86 (4), 042110.
101. Kim, S. H.; Kim, H. K.; Seong, T. Y., Effect of hydrogen peroxide treatment on the characteristics of Pt Schottky contact on n-type ZnO. Applied Physics Letters 2005, 86 (11), 112101.
102. Kim, S.; Kang, B. S.; Ren, F.; Ip, K.; Heo, Y. W.; Norton, D. P.; Pearton, S. J., Sensitivity of Pt/ZnO Schottky diode characteristics to hydrogen. Appl. Phys. Lett. 2004, 84 (10), 1698-1700.
103. Ip, K.; Heo, Y. W.; Baik, K. H.; Norton, D. P.; Pearton, S. J.; Ren, F., Specific contact resistance of Ti/Al/PVAu ohmic contacts to photphorusdoped ZnO thin films. J. Vac. Sci. Technol. B 2004, 22 (1), 171-174.
104. Kim, S. H.; Kim, H. K.; Seong, T. Y., Electrical characteristics of Pt Schottky contacts on sulfide-treated n-type ZnO. Appl. Phys. Lett. 2005, 86 (2), 022101.
105. Ip, K.; Gila, B. P.; Onstine, A. H.; Lambers, E. S.; Heo, Y. W.; Baik, K. H.; Norton, D. P.; Pearton, S. J.; Kim, S.; LaRoche, J. R.; Ren, F., Improved Pt/Au and W/Pt/Au Schottky contacts on n-type ZnO using ozone cleaning. Appl. Phys. Lett. 2004, 84 (25), 5133-5135.
106. Ip, K.; Heo, Y. W.; Baik, K. H.; Norton, D. P.; Pearton, S. J.; Ren, F., Carrier concentration dependence of Ti/Al/Pt/Au contact resistance on ntype ZnO. Appl. Phys. Lett. 2004, 84 (4), 544-546.
107. von Wenckstern, H.; Biehne, G.; Rahman, R. A.; Hochmuth, H.; Lorenz, M.; Grundmann, M., Mean barrier height of Pd Schottky contacts on ZnO thin films. Appl. Phys. Lett. 2006, 88 (9), 092192.
108. Grossner, U.; Gabrielsen, S.; Borseth, T. M.; Grillenberger, J.; Kuznetsov, A. Y.; Svensson, B. G., Palladium Schottky barrier contacts to hydrothermally grown n-ZnO and shallow electron states. Appl. Phys. Lett. 2004, 85 (12), 2259-2261.
109. Schifano, R.; Monakhov, E. V.; Grossner, U.; Svensson, B. G., Electrical characteristics of palladium Schottky contacts to hydrogen peroxide treated hydrothermally grown ZnO. Appl. Phys. Lett. 2007, 91 (19), 193507.
110. Janotti, A.; Van de Walle, C. G., Oxygen vacancies in ZnO. Appl. Phys. Lett. 2005, 87 (12), 122102.
111. Lao, C. S.; Liu, J.; Gao, P. X.; Zhang, L. Y.; Davidovic, D.; Tummala, R.; Wang, Z. L., ZnO nanobelt/nanowire Schottky diodes formed by dielectrophoresis alignment across Au electrodes. Nano Letters 2006, 6 (2), 263-266.
112. Kim, H. K.; Han, S. H.; Seong, T. Y.; Choi, W. K., Low-resistance Ti/Au ohmic contacts to Al-doped ZnO layers. Applied Physics Letters 2000, 77 (11), 1647-1649.
113. Lee, J. M.; Kim, K. K.; Park, S. J.; Choi, W. K., Low-resistance and nonalloyed ohmic contacts to plasma treated ZnO. Appl. Phys. Lett. 2001, 78 (24), 3842-3844.
114. Kim, H. K.; Kim, K. K.; Park, S. J.; Seong, T. Y.; Adesida, I., Formation of low resistance nonalloyed Al/Pt ohmic contacts on n-type ZnO epitaxial layer. J. Appl. Phys. 2003, 94 (6), 4225-4227.
115. Kim, H. K.; Adesida, I.; Kim, K. K.; Park, S. J.; Seong, T. Y., Study of the electrical and structural characteristics of Al/Pt ohmic contacts on n-type ZnO epitaxial layer. J. Electrochem. Soc. 2004, 151 (4), G223-G226.
116. Lim, J. H.; Kim, K. K.; Hwang, D. K.; Kim, H. S.; Oh, J. Y.; Park, S. J., Formation and effect of thermal annealing for low-resistance Ni/Au ohmic contact to phosphorous-doped p-type ZnO. J. Electrochem. Soc. 2005, 152 (3), G179-G181.
117. Kang, S. H.; Hwang, D. K.; Park, S. J., Low-resistance and highly transparent Ni/indium-tin oxide ohmic contacts to phosphorous-doped ptype ZnO. Appl. Phys. Lett. 2005, 86 (21), 211902.
118. Mandalapu, L. J.; Yang, Z.; Liu, J. L., Low-resistivity Au/Ni ohmic contacts to sb-doped p-type ZnO. Applied Physics Letters 2007, 90 (25).
119. Kim, S. H.; Kim, K. K.; Park, S. J.; Seong, T. Y., Thermally stable and low resistance Re/Ti/Au ohmic contacts to n-ZnO. J. Electrochem. Soc. 2005, 152 (3), G169-G172.
120. Qin, Y.; Wang, X. D.; Wang, Z. L., Microfibre-nanowire hybrid structure for energy scavenging. Nature 2008, 451 (7180), 809-813.
121. Hochbaum, A. I.; Chen, R. K.; Delgado, R. D.; Liang, W. J.; Garnett, E. C.; Najarian, M.; Majumdar, A.; Yang, P. D., Enhanced thermoelectric performance of rough silicon nanowires. Nature 2008, 451 (7175), 163-167.
122. Chan, C. K.; Peng, H. L.; Liu, G.; McIlwrath, K.; Zhang, X. F.; Huggins, R. A.; Cui, Y., High-performance lithium battery anodes using silicon nanowires. Nat. Nanotechnol. 2008, 3 (1), 31-35.
123. Guo, J.; Wang, J.; Polizzi, E.; Datta, S.; Lundstrom, M., Electrostatics of nanowire transistors. Ieee T. Nanotechnol. 2003, 2 (4), 329-334.
124. Yeo, Y. C., Metal gate technology for nanoscale transistors - material selection and process integration issues. Thin Solid Films 2004, 462, 34-41.
125. LaRoche, J. R.; Heo, Y. W.; Kang, B. S.; Tien, L. C.; Kwon, Y.; Norton, D. P.; Gila, B. P.; Ren, F.; Pearton, S. J., Fabrication approaches to ZnO nanowire devices. J. Electron. Mater. 2005, 34 (4), 404-408.
126. Heo, Y. W.; Norton, D. P.; Tien, L. C.; Kwon, Y.; Kang, B. S.; Ren, F.; Pearton, S. J.; LaRoche, J. R., ZnO nanowire growth and devices. Mat. Sci. Eng. R 2004, 47 (1-2), 1-47.
127. Pearton, S., ZnO Nanowire Devices. The Journal of The Minerals, Metals & Materials Society 2004, 56, 247-248.
128. Lin, Y. M.; Appenzeller, J.; Knoch, J.; Avouris, P., High-performance carbon nanotube field-effect transistor with tunable Polarities. Ieee T. Nanotechnol. 2005, 4 (5), 481-489.
129. Huang, Y.; Duan, X. F.; Cui, Y.; Lauhon, L. J.; Kim, K. H.; Lieber, C. M., Logic gates and computation from assembled nanowire building blocks. Science 2001, 294 (5545), 1313-1317.
130. Heo, Y. W.; Tien, L. C.; Kwon, Y.; Norton, D. P.; Pearton, S. J.; Kang, B. S.; Ren, F., Depletion-mode ZnO nanowire field-effect transistor. Appl. Phys. Lett. 2004, 85 (12), 2274-2276.
131. Keem, K.; Kang, J.; Yoon, C.; Yeom, D.; Jeong, D. Y.; Moon, B. M.; Kim, S., A fabrication technique for top-gate ZnO nanowire field-effect transistors by a photolithography process. Microelectron. Eng. 2007, 84 (5- 8), 1622-1626.
132. Keem, K.; Jeong, D. Y.; Kim, S.; Lee, M. S.; Yeo, I. S.; Chung, U. I.; Moon, J. T., Fabrication and device characterization of omega-shaped-gate ZnO nanowire field-effect transistors. Nano Lett. 2006, 6 (7), 1454-1458.
133. Ng, H. T.; Han, J.; Yamada, T.; Nguyen, P.; Chen, Y. P.; Meyyappan, M., Single crystal nanowire vertical surround-gate field-effect transistor. Nano Lett. 2004, 4 (7), 1247-1252.
134. Cha, S. N.; Jang, J. E.; Choi, Y.; Amaratunga, G. A. J.; Ho, G. W.; Welland, M. E.; Hasko, D. G.; Kang, D. J.; Kim, J. M., High performance ZnO nanowire field effect transistor using self-aligned nanogap gate electrodes. Appl. Phys. Lett. 2006, 89 (26), 263102.
135. Wade, T. L.; Hoffer, X.; Mohammed, A. D.; Dayen, J. F.; Pribat, D.; Wegrowe, J. E., Nanoporous alumina wire templates for surrounding-gate nanowire transistors. Nanotechnology 2007, 18 (12), 125201.
136. Park, W. I.; Kim, J. S.; Yi, G. C.; Bae, M. H.; Lee, H. J., Fabrication and electrical characteristics of high-performance ZnO nanorod field-effect transistors. Appl. Phys. Lett. 2004, 85 (21), 5052-5054.
137. Chang, P. C.; Fan, Z. Y.; Wang, D. W.; Tseng, W. Y.; Chiou, W. A.; Hong, J.; Lu, J. G., ZnO nanowires synthesized by vapor trapping CVD method. Chem. Mater. 2004, 16 (24), 5133-5137.
138. Fan, Z. Y.; Wang, D. W.; Chang, P. C.; Tseng, W. Y.; Lu, J. G., ZnO nanowire field-effect transistor and oxygen sensing property. Appl. Phys. Lett. 2004, 85 (24), 5923-5925.
139. Hossain, F. M.; Nishii, J.; Takagi, S.; Sugihara, T.; Ohtomo, A.; Fukumura, T.; Koinuma, H.; Ohno, H.; Kawasaki, M., Modeling of grain boundary barrier modulation in ZnO invisible thin film transistors. Physica E 2004, 21 (2-4), 911-915.
140. Fortunato, E. M. C.; Barquinha, P. M. C.; Pimentel, A. C. M. B. G.; Goncalves, A. M. F.; Marques, A. J. S.; Martins, R. F. P.; Pereira, L. M. N., Wide-bandgap high-mobility ZnO thin-film transistors produced at room temperature. Appl. Phys. Lett. 2004, 85 (13), 2541-2543.
141. Xu, C. X.; Sun, X. W.; Chen, B. J., Field emission from gallium-doped zinc oxide nanofiber array. Appl. Phys. Lett. 2004, 84 (9), 1540-1542.
142. Jie, J. S.; Wang, G. Z.; Han, X. H.; Yu, Q. X.; Liao, Y.; Li, G. P.; Hou, J. G., Indium-doped zinc oxide nanobelts. Chem. Phys. Lett. 2004, 387 (4-6), 466-470.
143. Ronning, C.; Gao, P. X.; Ding, Y.; Wang, Z. L.; Schwen, D., Manganesedoped ZnO nanobelts for spintronics. Appl. Phys. Lett. 2004, 84 (5), 783- 785.
144. Geng, B. Y.; Wang, G. Z.; Jiang, Z.; Xie, T.; Sun, S. H.; Meng, G. W.; Zhang, L. D., Synthesis and optical properties of S-doped ZnO nanowires. Appl. Phys. Lett. 2003, 82 (26), 4791-4793.
145. Bae, S. Y.; Seo, H. W.; Park, J. H., Vertically aligned sulfur-doped ZnO nanowires synthesized via chemical vapor deposition. J. Phys. Chem. B 2004, 108 (17), 5206-5210.
146. He, J. H.; Lao, C. S.; Chen, L. J.; Davidovic, D.; Wang, Z. L., Large-scale Ni-doped ZnO nanowire arrays and electrical and optical properties. J. Am. Chem. Soc. 2005, 127 (47), 16376-16377.
147. Lin, D. D.; Wu, H.; Pan, W., Photoswitches and Memories Assembled by Electrospinning Aluminum-Doped Zinc Oxide Single Nanowires. Adv. Mater. 2007, 19 (22), 3968-3972.
148. Chen, P. C.; Sukcharoenchoke, S.; Ryu, K.; de Arco, L. G.; Badmaev, A.; Wang, C.; Zhou, C. W., 2,4,6-Trinitrotoluene (TNT) Chemical Sensing Based on Aligned Single-Walled Carbon Nanotubes and ZnO Nanowires. Adv. Mater. 2010, 22 (17), 1900-1902.
149. Al-Hilli, S. M.; Willander, M.; Ost, A.; Stralfors, P., ZnO nanorods as an intracellular sensor for pH measurements. J. Appl. Phys. 2007, 102 (8), 014302.
150. Al-Hilli, S. M.; Al-Mofarji, R. T.; Klason, P.; Willander, M.; Gutman, N.; Sa'ar, A., Zinc oxide nanorods grown on two-dimensional macroporous periodic structures and plane Si as a pH sensor. J. Appl. Phys. 2008, 103 (1), 084304.
151. Motto, P.; Cauda, V.; Stassi, S.; Canavese, G.; Demarchi, D., Functionalized single ZnO-metal junction as a pH sensor. In IEEE Sensors 2013, Baltimora, 2013; Vol. doi:10.1109/ICSENS.2013. 6688513, pp 1-4.
152. Youn, S. K.; Ramgir, N.; Wang, C. Y.; Subannajui, K.; Cimalla, V.; Zacharias, M., Catalyst-Free Growth of ZnO Nanowires Based on Topographical Confinement and Preferential Chemisorption and Their Use for Room Temperature CO Detection. J. Phys. Chem. C 2010, 114 (22), 10092-10100.
153. Calestani, D.; Zha, M.; Mosca, R.; Zappettini, A.; Carotta, M. C.; Di Natale, V.; Zanotti, L., Growth of ZnO tetrapods for nanostructure-based gas sensors. Sens. Actuators, B 2010, 144 (2), 472-478.
154. Zhu, R.; Wang, D. Q.; Xiang, S. Q.; Zhou, Z. Y.; Ye, X. Y., Piezoelectric characterization of a single zinc oxide nanowire using a nanoelectromechanical oscillator. Nanotechnology 2008, 19 (28).
155. Zhu, R.; Wang, D. Q.; Xiang, S. Q.; Zhou, Z. Y.; Ye, X. Y., Zinc oxide nanowire electromechanical oscillator. Sensor Actuat a-Phys. 2009, 154 (2), 224-228.
156. Soci, C.; Zhang, A.; Xiang, B.; Dayeh, S. A.; Aplin, D. P. R.; Park, J.; Bao, X. Y.; Lo, Y. H.; Wang, D., ZnO nanowire UV photodetectors with high internal gain. Nano Lett. 2007, 7 (4), 1003-1009.
157. Suehiro, J.; Nakagawa, N.; Hidaka, S.; Ueda, M.; Imasaka, K.; Higashihata, M.; Okada, T.; Hara, M., Dielectrophoretic fabrication and characterization of a ZnO nanowire-based UV photosensor. Nanotechnology 2006, 17 (10), 2567-2573.
158. Das, S. N.; Kar, J. P.; Choi, J. H.; Il Lee, T.; Moon, K. J.; Myoung, J. M., Fabrication and Characterization of ZnO Single Nanowire-Based Hydrogen Sensor. J. Phys. Chem. C 2010, 114 (3), 1689-1693.
159. Wang, J. X.; Sun, X. W.; Yang, Y.; Huang, H.; Lee, Y. C.; Tan, O. K.; Vayssieres, L., Hydrothermally grown oriented ZnO nanorod arrays for gas sensing applications. Nanotechnology 2006, 17, 4995.
160. Qi, Q.; Zhang, T.; Liu, L.; Zheng, X.; Yu, Q.; Zeng, Y.; H. Yang, Selective acetone sensor based on dumbbell-like ZnO with rapid response and recovery. Sens. Actuators, B 2008, 134, 166.
161. Wang, D.; Chu, X.; Gong, M., Hydrothermal growth of ZnO nanoscrew drivers and their gas sensing properties. Nanotechnology 2007, 18, 185601.
162. Kakati, N.; Jee, S. H.; Kim, S. H.; Lee, H. K.; Yoon, Y. S., Sensitivity enhancement of ZnO nanorod gas sensors with surface modification by InSb thin film. Jpn. J. Appl. Phys. 2009, 48, 105002.
163. Ogata, K.; Koike, K.; Sasa, S.; Inoue, M.; Yano, M., ZnO nanorod arrays on n-type Si(111) substrates for pH measurements. J. Vac. Sci. Technol., B 2009, 27, 1684.
164. Yales, D. E.; Levine, S.; Healy, T. W., Site-binding model of the electrical double layer at the oxide/water interface J. Chem. Soc., Faraday Trans. 1974, 70, 1807-1818.
165. Siu, W. M.; Collold, R. S. C., Basic properties of the electrolyte-SiO2-Si system: Physical and theoretical aspects. IEEE Trans. Electron. Devices 1979, 26, 1805-1815.
166. Kang, B. S.; Ren, F.; Heo, Y. W.; Tien, L. C.; Norton, D. P.; Pearton, S. J., pH measurements with single ZnO nanorods integrated with a microchannel Appl. Phys. Lett. 2005, 86, 112105.
167. Cauda, V.; Motto, P.; Perrone, D.; Demarchi, D.; Piccinini, G., pH-triggered conduction of amine-functionalized single ZnO wire integrated on a customized nanogap electronic platform. Nanoscale Res. Lett. 2014,9, 1-10.
168. Soci, C.; Zhang, A.; Xiang, B.; Dayeh, S. A.; Aplin, D. P. R.; Park, J.; Bao, X. Y.; Lo, Y. H.; Wang, D., ZnO Nanowire UV Photodetectors with High Internal Gain. Nano Lett. 2007, 7, 1003-1009.
169. Yang, Q.; Guo, X.; Wang, W.; Zhang, Y.; Xu, S.; Lien, D. H.; Wang, Z. L., Enhancing Sensitivity of a Single ZnO Micro-/Nanowire Photodetector by Piezo-phototronic Effect. ACS Nano 2010, 4 (10), 6285-6291.
170. Wang, Z. L., Triboelectric nanogenerators as new energy technology for self-powered systems and as active mechanical and chemical sensors. ACS Nano 2013, 7 (11), 9533-9557.
171. Wang, X.; Song, J.; Liu, J.; Zhong, L. W., Direct-current nanogenerator driven by ultrasonic waves. Science 2007, 316 (5821), 102-105.
172. Xu, S.; Wei, Y.; Liu, J.; Yang, R.; Wang, Z. L., Integrated multilayer nanogenerator fabricated using paired nanotip-to-nanowire brushes. Nano Lett. 2008, 8 (11), 4027-4032.
173. Wang, Z. L.; Yang, R. S.; Zhou, J.; Qin, Y.; Xu, C.; Hu, Y. F.; Xu, S., Lateral nanowire/nanobelt based nanogenerators, piezotronics and piezophototronics. Materials Science & Engineering R-Reports 2010, 70 (3-6), 320-329.
174. Qin, Y.; Wang, X.; Wang, Z. L., Microfibre-nanowire hybrid structure for energy scavenging. Nature 2008, 451 (7180), 809-813.
175. Lee, M.; Chen, C. Y.; Wang, S.; Cha, S. N.; Park, Y. J.; Kim, J. M.; Chou, L. J.; Wang, Z. L., A hybrid piezoelectric structure for wearable nanogenerators. Adv. Mater. 2012, 24 (13), 1759-1764.
176. Hu, Y.; Lin, L.; Zhang, Y.; Wang, Z. L., Replacing a battery by a nanogenerator with 20 v output. Adv. Mater. 2012, 24 (1), 110-114.
177. Zhu, G.; Wang, A. C.; Liu, Y.; Zhou, Y.; Wang, Z. L., Functional electrical stimulation by nanogenerator with 58 v output voltage. Nano Lett. 2012, 12 (6), 3086-3090.
178. Fan, F. R.; Tian, Z. Q.; Lin Wang, Z., Flexible triboelectric generator. Nano Energy 2012, 1 (2), 328-334.
179. Zhu, G.; Lin, Z. H.; Jing, Q.; Bai, P.; Pan, C.; Yang, Y.; Zhou, Y.; Wang, Z. L., Toward large-scale energy harvesting by a nanoparticle-enhanced triboelectric nanogenerator. Nano Lett. 2013, 13 (2), 847-853.
180. Zhang, S.; Yang, X.; Numata, Y.; Han, L., Highly efficient dye-sensitized solar cells: progress and future challenges. Energy & Environmental Science 2013, 6 (5), 1443-1464.
181. Youngblood, W. J.; Lee, S.-H. A.; Maeda, K.; Mallouk, T. E., Visible light water splitting using dye-sensitized oxide semiconductors. Accounts of chemical research 2009, 42 (12), 1966-1973.
182. Lupan, O.; Guérin, V.; Tiginyanu, I.; Ursaki, V.; Chow, L.; Heinrich, H.; Pauporté, T., Well-aligned arrays of vertically oriented ZnO nanowires electrodeposited on ITO-coated glass and their integration in dye sensitized solar cells. Journal of Photochemistry and Photobiology A: Chemistry 2010, 211 (1), 65-73.
183. Hsu, C.-H.; Chen, D.-H., Photoresponse and stability improvement of ZnO nanorod array thin film as a single layer of photoelectrode for photoelectrochemical water splitting. International Journal of Hydrogen Energy 2011, 36 (24), 15538-15547.
184. Maçaira, J.; Andrade, L.; Mendes, A., Review on nanostructured photoelectrodes for next generation dye-sensitized solar cells. Renewable and Sustainable Energy Reviews 2013, 27, 334-349.
185. Omar, A.; Abdullah, H., Electron transport analysis in zinc oxide-based dye-sensitized solar cells: A review. Renewable and Sustainable Energy Reviews 2014, 31, 149-157.
186. 2-ZnO mixed oxides photocatalysts. Fuel 2012, 100, 139-143.
187. Yang, X.; Wolcott, A.; Wang, G.; Sobo, A.; Fitzmorris, R. C.; Qian, F.; Zhang, J. Z.; Li, Y., Nitrogen-doped ZnO nanowire arrays for photoelectrochemical water splitting. Nano letters 2009, 9 (6), 2331-2336.
188. Yun, S.; Lim, S., Improved conversion efficiency in dye-sensitized solar cells based on electrospun Al-doped ZnO nanofiber electrodes prepared by seed layer treatment. Journal of Solid State Chemistry 2011, 184 (2), 273- 279.
189. Yu, D.; Trad, T.; McLeskey Jr, J. T.; Craciun, V.; Taylor, C. R., ZnO nanowires synthesized by vapor phase transport deposition on transparent oxide substrates. Nanoscale research letters 2010, 5 (8), 1333-1339.