ZnO nanorods: Synthesis, characterization and applications

Semiconductor Science and Technology

Volumn 20, Issue 4, 2005, Pages

  Yi, Gyu Chul ^a   Wang, Chunrui ^a   Park, Won Il ^a  

^a Pohang University of Science and Technology (POSTECH)   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

CHARACTERIZATION; ELECTRON TRANSPORT PROPERTIES; HETEROJUNCTIONS; LUMINESCENCE; NANOSTRUCTURED MATERIALS; SEMICONDUCTOR DOPING; SYNTHESIS (CHEMICAL);

FIELD EMISSION; NANORODS; NANOWIRES; SEMICONDUCTOR NANOSTRUCTURES;

ZINC OXIDE;

EID: 17044380667     PISSN: 02681242     EISSN: None     Source Type: Journal    
DOI: 10.1088/0268-1242/20/4/003     Document Type: Review

References (153)

1. Appell D 2002 Nanotechnology: wired for success Nature 419 553
2. Samuelson L 2003 Self-forming nanoscale devices Mater. Today 6 22
3. Duan X F, Huang Y, Cui Y, Wang J F and Lieber C M 2001 Indium phosphide nanowires as building blocks for nanoscale electronic and optoelectronic devices Nature 409 66
4. Cui Y, Wei Q, Park H and Lieber C M 2001 Nanowire nanosensors for highly sensitive and selective detection of biological and chemical species Science 293 1289
5. Xia Y N, Yang P D, Sun Y G, Wu Y Y, Mayers B, Gates B, Yin Y D, Kim F and Yan H Q 2003 One-dimensional nanostructures: synthesis, characterization, and applications Adv. Mater. 15 353
6. Wang Z L 2000 Characterizing the structure and properties of individual wire-like nanoentities Adv. Mater. 12 1295
7. Hu J, Odom T W and Lieber C M 1999 Chemistry and physics in one dimension: synthesis and properties of nanowires and nanotubes Acc. Chem. Res. 32 435
8. Yang P D and Lieber C M 1996 Nanorod-superconductor composites: a pathway to materials with high critical current densities Science 273 1836
9. Morales A M and Lieber C M 1998 A laser ablation method for the synthesis of crystalline semiconductor nanowires Science 279 208
10. Peng X G, Wickham J and Alivisatos A P 1998 Kinetics of II-VI and III-V colloidal semiconductor nanocrystal growth: 'focusing' of size distributions J. Am. Chem. Soc. 120 5343
11. Wagner R S and Ellis W C 1964 Vapor-liquid-solid mechanism of single crystal growth Appl. Phys. Lett. 4 89
12. Klimovskaya A I, Ostrovskii I P and Ostrovskaya A S 1996 Influence of growth conditions on morphology, composition, and electrical properties of n-Si wires Phys. Status Solidi a 153 465
13. 2S whiskers in a VLS system J. Cryst. Growth 46 504
14. Iwao Y and Hajime S J 1978 Vapor phase growth of alumina whiskers by hydrolysis of aluminum fluoride J. Cryst. Growth 45 511
15. Trentler T J, Hickman K M, Goel S C, Viano A M, Gibbons P C and Buhro W E 1995 Solution-liquid-solid growth of crystalline III-V semiconductors: an analogy to vapor-liquid-solid growth Science 270 1791
16. Chen C C and Yeh C C 2000 Large-scale catalytic synthesis of crystalline gallium nitride nanowires Adv. Mater. 12 738
17. Hu J Q, Li Q, Wong N B, Lee C S and Lee S T 2002 Synthesis of uniform hexagonal prismatic ZnO whiskers Chem. Mater. 14 1216
18. Yu D P, Sun X S, Lee C S, Bello I, Lee S T, Gu H D, Leung K M, Zhou G W, Dong Z F and Zhang Z 1998 Synthesis of boron nitride nanotubes by means of excimer laser ablation at high temperature Appl. Phys. Lett. 72 1966
19. Duan X F and Lieber C M 2000 Laser-assisted catalytic growth of single crystal GaN nanowires J. Am. Chem. Soc. 122 188
20. Zhang R Q, Lifshitz Y and Lee S T 2003 Oxide-assisted growth of semiconducting nanowires Adv. Mater. 15 635
21. Han W Q, Fan S S, Li Q Q and Hu Y D 1997 Synthesis of gallium nitride nanorods through a carbon nanotube-confined reaction Science 277 1287
22. Wang C R, Tang K B, Yang Q, Hai B, Shen G Z, An C H, Yu W C and Qian Y T 2001 Synthesis of novel SbSI nanrods by a hydrothermal method Inorg. Chem. Commun. 4 339
23. 2 (E = S, Se) nanorods Inorg. Chem. 39 2964
24. xS, nanocrystallites J. Electrochem. Soc. 150 G163
25. Yazawa M, Koguchi M, Muto A, Ozawa M and Hiruma K 1992 Effect of one monolayer of surface gold atoms on the epitaxial growth of InAs nanowhiskers Appl. Phys. Lett. 61 2051
26. Keem K, Kim H, Kim G T, Lee J S, Min B, Cho K, Sung M Y and Kim S 2004 Photocurrent in ZnO nanowires grown from Au electrodes Appl. Phys. Lett. 84 4376
27. Arnold M S, Avouris P, Pan Z W and Wang Z L 2003 Field-effect transistors based on single semiconducting oxide nanobelts J. Phys. Chem. B 107 659
28. Huang M H, Mao S, Feick H, Yan H Q, Wu Y Y, Kind H, Weber E, Russo R and Yang P D 2001 Room-temperature ultraviolet nanowire nanolasers Science 292 1897
29. Lee C J, Lee T J, Lyu S C, Zhang Y, Ruh H and Lee H J 2002 Field emission from well-aligned zinc oxide nanowires grown at low temperature Appl. Phys. Lett. 81 3648
30. Park W I, Jun Y H, Jung S W and Yi G C 2003 Excitonic emissions observed in ZnO single crystal nanorods Appl. Phys. Lett. 82 964
31. Wang Z L 2004 Nanostructures of zinc oxide Mater. Today 7 26
32. Park J H, Choi H J, Choi Y J, Sohn S H and Park J G 2004 Ultrawide ZnO nanosheets J. Mater. Chem. 14 35
33. Park J H, Choi H J and Park J G 2004 Scaffolding and filling process: a new type of 2D crystal growth J. Cryst. Growth 263 237
34. Wagner R S 1970 Whisker Technology ed A P Levitt (New York: Wiley-Interscience)
35. Zhang Y, Wang N, Gao S, He R, Miao S, Liu J, Zhu J and Zhang X 2002 A simple method to synthesize nanowires Chem. Mater. 14 3564
36. Yao B D, Chan Y F and Wang N 2002 Formation of ZnO nanostructures by a simple way of thermal evaporation Appl. Phys. Lett. 81 757
37. Kong Y C, Yu D P, Zhang B, Fang W and Feng S Q 2001 Ultraviolet-emitting ZnO nanowires synthesized by a physical vapor deposition approach Appl. Phys. Lett. 78 407
38. Gao P X and Wang Z L 2002 Self-assembled nanowire-nanoribbon junction arrays of ZnO J. Phys. Chem. B 106 12653
39. Lao J Y, Wen J G and Ren Z F 2002 Hierarchical ZnO nanostructures Nano Lett. 2 1287
40. 3 and ZnO Top. Catal. 24 137
41. Dai Y, Zhang Y, Li Q K and Nan C W 2002 Synthesis and optical properties of tetrapod-like zinc oxide nanorods Chem. Phys. Lett. 358 83
42. Lyu S C, Zhang Y, Lee C J, Ruh H and Lee H J 2003 Low-temperature growth of ZnO nanowire array by a simple physical vapor-deposition method Chem. Mater. 15 3294
43. Huang M H, Wu Y Y, Feick H, Tran N, Weber E and Yang P D 2001 Catalytic growth of zinc oxide nanowires by vapor transport Adv. Mater. 13 113
44. Wang Y W, Zhang L D, Wang G Z, Peng X S, Chu Z Q and Liang C H 2002 Catalytic growth of semiconducting zinc oxide nanowires and their photoluminescence properties J. Cryst. Growth 234 171
45. Yang P D, Yan H Q, Mao S, Russo R, Johnson J, Saykally R, Morris N, Pham J, He R R and Choi H J 2002 Controlled growth of ZnO nanowires and their optical properties Adv. Funct. Mater. 12 323
46. Li S Y, Lee C Y and Tseng T Y 2003 Copper-catalyzed ZnO nanowires on silicon (100) grown by vapor-liquid-solid process J. Cryst. Growth 247 357
47. Ding Y, Gao P X and Wang Z L 2004 Catalyst-nanostructure interfacial lattice mismatch in determining the shape of VLS grown nanowires and nanobelts: a case of Sn/ZnO J. Am. Chem. Soc. 126 2066
48. Heinrichsdorff F, Mao M H, Kirstaedter N, Krost A, Bimberg D, Kosogov A O and Werner P 1997 Room-temperature continuous-wave lasing from stacked InAs/GaAs quantum dots grown by metalorganic chemical vapor deposition Appl. Phys. Lett. 71 22
49. Zhu Z 1997 Self-organized growth of II-VI wide bandgap quantum dot structures Phys. Status Solidi b 202 827
50. Souletie P and Wessels B W 1988 Growth kinetics of ZnO prepared by organometallic chemical vapor deposition J. Mater. Res. 3 740
51. xO (0 ≤ x ≤ 0.49) thin films Appl. Phys. Lett. 79 2022
52. 3(001) J. Mater. Res. 16 1358
53. Park W I, Kim D H, Jung S W and Yi G C 2002 Metalorganic vapor-phase epitaxial growth of vertically well-aligned ZnO nanorods Appl. Phys. Lett. 80 4232
54. Park W I, Yi G C, Kim M Y and Pennycook S J 2002 ZnO nanoneedles grown vertically on Si substrates by non-catalytic vapor-phase epitaxy Adv. Mater. 14 1841
55. Lee W, Sohn H G and Myoung J M 2004 Prediction of the structural performances of ZnO nanowires grown on GaAs(011) substrates by metalorganic chemical vapour deposition (MOCVD) Mater. Sci. Forum 449 1245
56. Liu X, Wu X H, Cao H and Chang R P H 2004 Growth mechanism and properties of ZnO nanorods synthesized by plasma-enhanced chemical vapor deposition J. Appl. Phys. 95 3141
57. Ogata K, Maejima K, Fujita S and Fujita S 2003 Growth mode control of ZnO toward nanorod structures or high-quality layered structures by metal-organic vapor phase epitaxy J. Cryst. Growth 248 25
58. Maejima K, Ueda M, Fujita S and Fujita S 2003 Growth of ZnO nanorods on a-plane (120) sapphire by metal-organic vapor phase epitaxy Japan. J. Appl. Phys. 42 2600
59. Kim K S and Kim H W 2003 Synthesis of ZnO nanorod on bare Si substrate using metal organic chemical vapor deposition Physica B 328 368
60. Zhang B P, Binh N T, Segawa Y, Wakatsuki K and Usami N 2003 Optical properties of ZnO rods formed by metalorganic chemical vapor deposition Appl. Phys. Lett. 83 1635
61. 2 intermediate layer by metalorganic chemical vapor deposition Japan. J. Appl. Phys. 41 L543
62. Choy J H, Jang E S, Won J H, Chung J H, Jang D J and Kim Y W 2004 Hydrothermal route to ZnO nanocoral reefs and nanofibers Appl. Phys. Lett. 84 287
63. Li Z Q, Xiong Y J and Xie Y 2003 Selected-control synthesis of ZnO nanowires and nanorods via a PEG-assisted route Inorg. Chem. 42 8105
64. Wang J M and Gao L 2003 Wet chemical synthesis of ultralong and straight single-crystalline ZnO nanowires and their excellent UV emission properties J. Mater. Chem. 13 2551
65. Liu B and Zeng H C 2003 Hydrothermal synthesis of ZnO nanorods in the diameter regime of 50 nm J. Am. Chem. Soc. 125 4430
66. Li Z Q, Xie Y, Xiong Y J, Zhang R and He W 2003 Reverse micelle-assisted route to control diameters of ZnO nanorods by selecting different precursors Chem. Lett. 32 760
67. Tian Z R R, Voigt J A, Liu J, Mckenzie B and Mcdermott M J 2003 Biomimetic arrays of oriented helical ZnO nanorods and columns J. Am. Chem. Soc. 124 12954
68. Vayssieres L 2003 Growth of arrayed nanorods and nanowires of ZnO from aqueous solutions Adv. Mater. 15 464
69. Yin M, Gu Y, Kuskovsky I L, Andelman T, Zhu Y M, Neumark G F and O'Brien S 2004 Zinc oxide quantum rods J. Am. Chem. Soc. 126 6206
70. Greene L E, Law M, Goldberger J, Kim F, Johnson J C, Zhang Y F, Saykally R J and Yang P D 2003 Low-temperature wafer-scale production of ZnO nanowire arrays Angew. Chem. Int. Ed. 42 3031
71. Wang X D, Summers C J and Wang Z L 2004 Large-scale hexagonal-patterned growth of aligned ZnO nanorods for nano-optoelectronics and nanosensor arrays Nano Lett. 4 423
72. Ng H T, Chen B, Li J, Han J, Meyyappn M, Wu J, Li S X and Haller E E 2003 Optical properties of single-crystalline ZnO nanowires on m-sapphire Appl. Phys. Lett. 82 2023
73. Gao P X, Ding Y and Wang Z L 2003 Crystallographic orientation-aligned ZnO nanorods grown by a tin catalyst Nano Lett. 3 1315
74. Park J, Choi H H, Siebein K and Singh R K 2003 Two-step evaporation process for formation of aligned zinc oxide nanowires J. Cryst. Growth 258 342
75. Sun X C, Zhang H Z, Xu J, Zhao Q, Wang R M and Yu D P 2004 Shape controllable synthesis of ZnO nanorod arrays via vapor phase growth Solid State Commun. 129 803
76. Zhang Y, Jia H B, Wang R M, Chen C P, Luo X H, Yu D P and Lee C J 2003 Low-temperature growth and Raman scattering study of vertically aligned ZnO nanowires on Si substrate Appl. Phys. Lett. 83 4631
77. Li Y, Meng G W, Zhang L D and Phillipp F 2000 Ordered semiconductor ZnO nanowire arrays and their photoluminescence properties Appl. Phys. Lett. 76 2011
78. Harnack O, Pacholski C, Weller H, Yasuda A and Wessels J M 2003 Rectifying behavior of electrically aligned ZnO nanorods Nano Lett. 3 1097
79. Björk M T, Ohlsson B J, Sass T, Persson A I, Thelander C, Magnusson M H, Deppert K, Wallenberg L R and Samuelson L 2002 One-dimensional steeplechase for electrons realized Nano Lett. 2 87
80. Gudiksen M S, Lauhon L J, Wang J, Smoth D C and Lieber C M 2002 Growth of nanowire superlattice structures for nanoscale photonics and electronics Nature 415 617
81. Lauhon L J, Gudiksen M S, Wang D and Lieber C M 2002 Epitaxial core-shell and core-multishell nanowire heterostructures Nature 420 57
82. Wu Y Y, Fan R and Yang P D 2002 Block-by-block growth of single-crystalline Si/SiGe superlattice nanowires Nano Lett. 2 83
83. Björk M T, Ohlsson B J, Sass T, Persson A I, Thelander C, Magnusson M H, Deppert K, Wallenberg L R and Samuelson L 2002 One-dimensional heterostructures in semiconductor nanowhiskers Appl. Phys. Lett. 80 1058
84. Björk M T, Ohlsson B J, Thelander C, Persson A I, Deppert K, Wallenberg L R and Samuelson L 2002 Nanowire resonant tunneling diodes Appl. Phys. Lett. 81 4458
85. Thelander C, Mårtensson T, Björk M T, Ohlsson B J, Larsson M W, Wallenberg L R and Samuelson L 2003 Single-electron transistors in heterostructure nanowires Appl. Phys. Lett. 83 2052
86. Hu J T, Min O Y, Yang P D and Lieber C M 1999 Controlled growth and electrical properties of heterojunctions of carbon nanotubes and silicon nanowires Nature 399 48
87. Park W I, Jung S W, Yi G C, Oh S H, Park C G and Kim M 2002 Metal-ZnO heterostructure nanorods with an abrupt interface Japan. J. Appl. Phys. 2 41 L1206
88. Jung S W, Park W I, Yi G C and Kim M 2003 Fabrication and controlled magnetic properties of Ni/ZnO nanorod heterostructures Adv. Mater. 15 1358
89. 3 coating of ZnO nanorods by atomic layer deposition J. Cryst. Growth 252 565
90. 3 core/shell nanofibers Adv. Mater 16 422
91. Goldberger J, He R R, Zhang Y F, Lee S W, Yan H Q, Choi H J and Yang P D 2003 Single-crystal gallium nitride nanotubes Nature 422 599
92. An S J, Park W I, Yi G C, Kim Y J, Kang H B and Kim M 2004 Heteroepitaxial fabrication and structural characterizations of ultrafine GaN/ZnO coaxial nanorod heterostructures Appl. Phys. Lett. 84 3612
93. Schoening M and Poghossian A 2002 Recent advances in biologically sensitive field-effect transistors (BioFETs) Analyst 127 1137
94. Park W I, Yi G C, Kim M and Pennycook S J 2003 Quantum confinement observed in ZnO/ZnMgO nanorod heterostructures Adv. Mater. 15 526 Park W I, Jung S W, Jun Y H and Yi G C 2002 Heteroepitaxial ZnO/ZnMgO quantum structures in nanorods Proc. 26th Int. Conf. on the Physics of Semiconductors (Edinburgh, UK) pp 176-7
95. Park W I, Yi G C, Kim M and Pennycook S J 2003 Quantum confinement observed in ZnO/ZnMgO nanorod heterostructures Adv. Mater. 15 526 Park W I, Jung S W, Jun Y H and Yi G C 2002 Heteroepitaxial ZnO/ZnMgO quantum structures in nanorods Proc. 26th Int. Conf. on the Physics of Semiconductors (Edinburgh, UK) pp 176-7
96. Yatsui T, Lim J, Ohtsu M, An S J and Yi G C 2004 Evaluation of the discrete energy levels of individual ZnO single-quantum-well nanorods by near-field ultraviolet photoluminescence spectroscopy Appl. Phys. Lett. 85 727
97. Ohtsu M, Kobayashi K, Kawazoe T, Sangu S and Yatsui T 2002 Nanophotonics: design, fabrication, and operation of nanometric devices using optical near fields IEEE J. Sel. Top. Quantum Electron. 8 839
98. Cao L, Su X Y, Wu Z Y, Zou B S, Dai J H and Xie S S 2002 Quantum confinement effect of ZnO nano-particles Chem. J. Internet 4 45
99. Wang X, Ding Y, Summers C J and Wang Z L 2004 Large-scale synthesis of six-nanometer-wide ZnO nanobelts J. Phys. Chem. B 108 8773
100. 0.2O coaxial nanorod heterostructures Int. Symp. Proc. Nanomanufacturing 2 668
101. Geng B Y, Wang G Z, Jiang Z, Xie T, Sun S H, Meng G W and Zhang L D 2003 Synthesis and optical properties of S-doped ZnO nanowires Appl. Phys. Lett. 82 4791
102. Bae S Y, Seo H W and Park J 2004 Vertically aligned sulfur-doped ZnO nanowires synthesized via chemical vapor deposition J. Phys. Chem. B 108 5206
103. Wan Q, Li Q H, Chen Y J, Wang T H, He X L, Gao X G and Li J P 2004 Positive temperature coefficient resistance and humidity sensing properties of Cd-doped ZnO nanowires Appl. Phys. Lett. 84 3085
104. xO nanowires via vapor phase growth Appl. Phys. Lett. 83 4020
105. Ip K et al 2003 Ferromagnetism in Mn- and Co-implanted ZnO nanorods J. Vac. Sci. Technol. B 21 1476
106. Yan M, Zhang H T, Widjaja E J and Chang R P H 2003 Self-assembly of well-aligned gallium-doped zinc oxide nanorods J. Appl. Phys. 94 5240
107. Zhang S B, Wei S H and Zunger A 2001 Intrinsic n-type versus p-type doping asymmetry and the defect physics of ZnO Phys. Rev. B 63 075205
108. Park C H, Zhang S B and Wei S H 2002 Origin of p-type doping difficulty in ZnO: the impurity perspective Phys. Rev. B 66 073202
109. Heo Y W, Kwon Y W, Li Y, Pearton S J and Norton D P 2004 P-type behavior in phosphorus-doped (Zn, Mg)O device structures Appl. Phys. Lett. 84 3474
110. Kind H, Yan H Q, Messer B, Law M and Yang P D 2002 Nanowire ultraviolet photodetectors and optical switches Adv. Mater. 14 158
111. Ohta H, Kamiya M, Kamaiya T, Hirano M and Hosono H 2003 UV-detector based on pn-heterojunction diode composed of transparent oxide semiconductors, p-NiO/n-ZnO Thin Solid Films 445 317
112. Ahn S E, Lee J S, Kim H, Kim S, Kang B H, Kim K H and Kim G T 2004 Photoresponse of sol-gel-synthesized ZnO nanorods Appl. Phys. Lett. 84 5022
113. Wan Q, Li Q H, Chen Y J, Wang T H, He X L and Li J P 2004 Fabrication and ethanol sensing characteristics of ZnO nanowire gas sensors Appl. Phys. Lett. 84 3654
114. Li Q H, Wan Q, Liang Y X and Wang T H 2004 Electronic transport through individual ZnO nanowires Appl. Phys. Lett. 84 4556
115. Liu C H, Yiu W C, Au F C K, Ding J X, Lee C S and Lee S T 2003 Electrical properties of zinc oxide nanowires and intramolecular p-n junctions Appl. Phys. Lett. 83 3168
116. Park W I, Yi G C, Kim J W and Park S M 2003 Schottky nanocontacts on ZnO nanorod arrays Appl. Phys. Lett. 82 4358
117. Park W I and Yi G C 2004 Electroluminescence in n-ZnO nanorod arrays vertically grown on p-GaN Adv. Mater. 16 87
118. Reynolds D C, Look D C, Jogai B, Litton C W, Collins T C, Harsch W and Cantwell G 1998 Neutral-donor-bound-exciton complexes in ZnO crystals Phys. Rev. B 57 12151
119. Thonke K, Gruber T, Teofilov N, Schonfelder R, Waag A and Sauer R 2001 Donor-acceptor pair transitions in ZnO substrate material Physica B 308 945
120. Look D C, Jones R L, Sizelove J R, Garces N Y, Giles N C and Halliburton L E 2003 The path to ZnO devices: donor and acceptor dynamics Phys. Status Solidi a 195 171
121. Zheng M J, Zhang L D, Li G H and Shen W Z 2002 Fabrication and optical properties of large-scale uniform zinc oxide nanowire arrays by one-step electrochemical deposition technique Chem. Phys. Lett. 363 123
122. Wang Y C, Leu I C and Hon M H 2002 Effect of colloid characteristics on the fabrication of ZnO nanowire arrays by electrophoretic deposition J. Mater. Chem. 12 2439
123. Zheng Z X, Xi Y Y, Dong P, Huang H G, Zhou J Z, Wu L L and Lin Z H 2002 The enhanced photoluminescence of zinc oxide and polyaniline coaxial nanowire arrays in anodic oxide aluminium membranes Phys. Chem. Comm. 9 63
124. Zhao Q X, Willander M, Morjan R E, Hu Q H and Campbell E E B 2003 Optical recombination of ZnO nanowires grown on sapphire and Si substrates Appl. Phys. Lett. 83 165
125. Chang S S, Yoon S O, Park H J and Sakai A 2002 Luminescence properties of Zn nanowires prepared by electrochemical etching Mater. Lett. 53 432
126. Hong S S, Joo T, Park W I, Jun Y H and Yi G C 2003 Time-resolved photoluminescence of the size-controlled ZnO nanorods Appl. Phys. Lett. 83 4157
127. Zhang X T, Liu Y C, Zhang L G, Zhang J Y, Lu Y M, Shen D Z, Xu W, Zhong G Z, Fgan X W and Kong X G 2002 Structure and optically pumped lasing from nanocrystalline ZnO thin films prepared by thermal oxidation of ZnS thin films J. Appl. Phys. 92 3293
128. Choy J H, Jang E S, Won J H, Chung J H, Jang D J and Kim Y W 2003 Soft solution route to directionally grown ZnO nanorod arrays on Si wafer; room-temperature ultraviolet laser Adv. Mater. 15 1911
129. Yu S F, Yuen C, Lau S P, Park W I and Yi G C 2004 Random laser action in ZnO nanorod arrays embedded in ZnO epilayers Appl. Phys. Lett. 84 3241
130. Lorenz M, Lenzner J, Kaidashev E M, Hochmuth H and Grundmann M 2004 Cathodoluminescence of selected single ZnO nanowires on sapphire Ann. Phys-Berlin 13 39
131. Temple D 1999 Recent progress in field emitter array development for high performance applications Mater. Sci. Eng. R 24 185
132. de Heer W A, Chatelain A and Ugarte D 1995 A carbon nanotube field-emission electron source Science 270 1179
133. Gulyaev Yu V, Chernozatonskii L A, Kosakovskaja J Z, Sinitsyn N I, Torgashov G V and Zakharchenko Yu F 1995 Field emitter arrays on nanotube carbon structure films J. Vac. Sci. Technol. B 13 435
134. Wang Q H, Setlur A A, Lauerhaas J M, Dai J Y, Seelig E W and Chang R P H 1998 A nanotube-based field-emission flat panel display Appl. Phys. Lett. 72 2912
135. Nalwa H S and Rohwer L S 2003 Handbook of Luminescence, Display Materials, and Devices (Stevenson Ranch, CA: American Scientific Publishers)
136. Choi W B et al 1999 Fully sealed, high-brightness carbon-nanotube field-emission display Appl. Phys. Lett. 75 3129
137. Dong L F, Jiao J, Tuggle D W, Petty J M, Elliff S A and Coulter M 2003 ZnO nanowires formed on tungsten substrates and their electron field emission properties Appl. Phys. Lett. 82 1096
138. Jo S H, Lao J Y, Ren Z F, Farrer R A, Baldacchini T and Fourkas J T 2003 Field-emission studies on thin films of zinc oxide nanowires Appl. Phys. Lett. 83 4821
139. Xu C X, Sun X W and Chen B J P 2004 Field emission from gallium-doped zinc oxide nanofiber array Appl. Phys. Lett. 84 1540
140. Nilsson L, Groening O, Emmenegger C, Kuettel Q, Schaller E, Schlapbach L, Kind H, Bonard J M and Kern K 2000 Scanning field emission from patterned carbon nanotube films Appl. Phys. Lett. 76 2071
141. Li S Y, Lin P, Lee C Y and Tseng T Y 2004 Field emission and photofluorescent characteristics of zinc oxide nanowires synthesized by a metal catalyzed vapor-liquid-solid process J. Appl. Phys. 95 3711
142. Kan M C, Huang J L, Sung J C, Li D F and Yau B S 2003 Field emission of micro aluminum cones coated by nanotips of amorphous diamond Diamond Relat. Mater. 12 1610
143. Li Y B, Bando Y and Golberg D 2004 ZnO nanoneedles with tip surface perturbations: excellent field emitters Appl. Phys. Lett. 84 3603
144. Xu C X and Sun X W 2003 Field emission from zinc oxide nanopins Appl. Phys. Lett. 83 3806
145. Zhu Y W, Zhang H Z, Sun X C, Feng S Q, Xu J, Zhao Q, Xiang B, Wang R M and Yu D P 2003 Efficient field emission from ZnO nanoneedle arrays Appl. Phys. Lett. 83 144
146. Tseng Y K, Huang C J, Cheng H M, Lin I N, Liu K S and Chen I C 2003 Characterization and field-emission properties of needle-like zinc oxide nanowires grown vertically on conductive zinc oxide films Adv. Funct. Mat. 13 811
147. Yoo J, Park W I and Yi G C 2004 Effect of hydrogen plasma treatment on electrical and electron emission characteristics submitted
148. Seiyama T and Kato A 1962 A new detector for gaseous components using semiconductor thin film Anal. Chem. 34 1502
149. Chatterjee A P, Mitra P and Mukhopadhyay A K 1999 Chemically deposited zinc oxide thin film gas sensor J. Mater. Sci. 34 4225
150. Basu S and Dutta A 1994 Modified heterojunction based on zinc-oxide thin-film for hydrogen gas-sensor application Sensors Actuators B 22 83
151. Kim J S, Park W I and Yi G C 2004 ZnO nanorod sensor for detection of biotin-streptavidin interaction unpublished
152. Avouris P 2002 Carbon nanotube electronics Chem. Phys. 281 429
153. Park W I, Yi G C, Bae M H and Lee H J 2004 Fabrication and electrical characteristics of high performance ZnO nanorod field effect transistors Appl. Phys. Lett. 85 5052