Improved sensitization of zinc oxide nanorods by cadmium telluride quantum dots through charge induced hydrophilic surface generation

Journal of Nanomaterials

Volumn 2014, Issue , 2014, Pages

  Laxman, Karthik ^a,b   Bora, Tanujjal ^a,b   Al Harthi, Salim H ^b   Dutta, Joydeep ^a,b  

^a ASIAN INSTITUTE OF TECHNOLOGY   (Thailand)

^b SULTAN QABOOS UNIVERSITY   (Oman)

Author keywords

[No Author keywords available]

Indexed keywords

CADMIUM; CADMIUM TELLURIDE; CHARGE TRANSFER; EFFICIENCY; NANOCRYSTALS; NANORODS; OXYGEN VACANCIES; PHOTOMASKS; SEMICONDUCTOR QUANTUM DOTS; SEMICONDUCTOR QUANTUM WELLS; SURFACE DEFECTS; ZINC; ZINC OXIDE;

CHARGE TRANSFER EFFICIENCY; HYDROPHILIC SURFACES; INTERFACIAL RESISTANCES; PHOTO-ELECTRODES; PHOTOINDUCED DEFECTS; WATER CONTACT ANGLE MEASUREMENT; ZINC OXIDE (ZNO); ZINC OXIDE NANORODS;

II-VI SEMICONDUCTORS;

EID: 84919754523     PISSN: 16874110     EISSN: 16874129     Source Type: Journal    
DOI: 10.1155/2014/919163     Document Type: Article

References (32)

1. S. Danwittayakul, K. Lakshman, S. Al-Harthi, and J. Dutta, "Enhanced hydrogen selectivity via photo-engineered surface defects for methanol steam reformation using zinc oxidecopper nanocomposite catalysts," Applied Catalysis A: General, vol. 471, pp. 63-69, 2014.
2. J. Tang,K. W. Kemp, S. Hooglandet al., "Colloidal-quantum-dot photovoltaics using atomic-ligand passivation," Nature Materials, vol. 10, pp. 765-771, 2011.
3. H. J. Yun, T. Paik, M. E. Edley, J. B. Baxter, and C. B. Murray, "Enhanced charge transfer kinetics of CdSe quantum dotsensitized solar cell by inorganic ligand exchange treatments," ACS Applied Materials and Interfaces, vol. 6, no. 5, pp. 3721-3728, 2014.
4. E. Martínez-Ferrero, I. M. Seró, J. Albero, S. Giménez, J. Bisquert, and E. Palomares, "Charge transfer kinetics in CdSe quantumdot sensitized solar cells," PhysicalChemistryChemical Physics, vol. 12, no. 12, pp. 2819-2821, 2010.
5. A. Ruland, C. Schulz-Drost, V. Sgobba, and D. M. Guldi, "Enhancing photocurrent efficiencies by resonance energy transfer in CdTe quantum dot multilayers: towards rainbow solar cells," Advanced Materials, vol. 23, no. 39, pp. 4573-4577, 2011.
6. J. Maçaira, L. Andrade, and A. Mendes, "Review on nanostructured photoelectrodes for next generation dye-sensitized solar cells," Renewable and Sustainable Energy Reviews, vol. 27, pp. 334-349, 2013.
7. J. Zhang,W. Peng,Z. Chen, H. Chen, and L. Han, "Energy band tunable TixSn1-xO2 photoanode for efficient non-TiO2 type dye sensitized solar cells," Journal of Materials Chemistry A, vol. 1, no. 29, pp. 8453-8463, 2013.
8. T. W. Hamann,R. A. Jensen, A. B. F. Martinson, H. vanRyswyk, and J. T. Hupp, "Advancing beyond current generation dyesensitized solar cells," Energy and Environmental Science, vol. 1, no. 1, pp. 66-78, 2008.
9. P. Uthirakumar, H. G. Kim, and C.-H. Hong, "Zinc oxide nanostructures derived froma simple solutionmethod for solar cells and LEDs," Chemical Engineering Journal, vol. 155, no. 3,pp. 910-915, 2009.
10. M. Grätzel, "Dye-sensitized solar cells," Journal of Photochemistry and Photobiology C: Photochemistry Reviews, vol. 4, no. 2, pp. 145-153, 2003.
11. M. Law, L. E. Greene, J. C. Johnson, R. Saykally, and P. Yang, "Nanowire dye-sensitized solar cells," Nature Materials, vol. 4, no. 6, pp. 455-459, 2005.
12. H. Majidi and J. B. Baxter, "Electrodeposition of CdSe coatings on ZnOnanowire arrays for extremely thin absorber solar cells," Electrochimica Acta, vol. 56, no. 6, pp. 2703-2711, 2011.
13. A. Sugunan, H. C. Warad,M. Boman, and J. Dutta, "Zinc oxide nanowires in chemical bath on seeded substrates: role of hexamine," Journal of Sol-Gel Science and Technology, vol. 39, no. 1, pp. 49-56, 2006.
14. G.-Y. Lan, Z. Yang, Y.-W. Lin, Z.-H. G. Lin,H.-Y. Liao, andH.-T. Chang, "A simple strategy for improving the energy conversion of multilayered CdTe quantum dot-sensitized solar cells," Journal of Materials Chemistry, vol. 19, no. 16, pp. 2349-2355, 2009.
15. J. Briscoe, D. E. Gallardo, S. Hatch, V. Lesnyak, N. Gaponik, and S. Dunn, "Enhanced quantum dot deposition on ZnO nanorods for photovoltaics through layer-by-layer processing," Journal of Materials Chemistry, vol. 21, no. 8, pp. 2517-2523, 2011.
16. T. Bora, H. H. Kyaw, and J. Dutta, "Zinc oxide-zinc stannate core-shell nanorod arrays for CdS quantum dot sensitized solar cells," Electrochimica Acta, vol. 68, pp. 141-145, 2012.
17. A. Sivapunniyam, N. Wiromrat, M. T. Z. Myint, and J. Dutta, "High-performance liquefied petroleum gas sensing based on nanostructures of zinc oxide and zinc stannate," Sensors and Actuators, B: Chemical, vol. 157, no. 1, pp. 232-239, 2011.
18. R.-D. Sun, A. Nakajima, A. Fujishima, T. Watanabe, and K. Hashimoto, "Photoinduced surface wettability conversion of ZnO and TiO2 Thin Films,"The Journal of Physical Chemistry B, vol. 105, no. 10, pp. 1984-1990, 2001.
19. M. T. Z. Myint, N. S. Kumar, G. L. Hornyak, and J. Dutta, "Hydrophobic/ hydrophilic switching on zinc oxide micro-textured surface," Applied Surface Science, vol. 264, pp. 344-348, 2013.
20. C. Soci, A. Zhang, B. Xiang et al., "ZnO nanowire UV photodetectors with high internal gain," Nano Letters, vol. 7, no. 4, pp. 1003-1009, 2007.
21. S. Baruah and J. Dutta, "Hydrothermal growth of ZnO nanostructures," Science and Technology of Advanced Materials, vol. 10, no. 1, Article ID 013001, 2009.
22. S. Baruah and J. Dutta, "pH-dependent growth of zinc oxide nanorods," Journal of Crystal Growth, vol. 311, no. 8, pp. 2549-2554, 2009.
23. J. Duan, L. Song, and J. Zhan, "One-pot synthesis of highly luminescent CdTe quantum dots by microwave irradiation reduction and their Hg2+-sensitive properties," Nano Research, vol. 2, no. 1, pp. 61-68, 2009.
24. Y.-L. Lee and C.-H. Chang, "Efficient polysulfide electrolyte for CdS quantum dot-sensitized solar cells," Journal of Power Sources, vol. 185, no. 1, pp. 584-588, 2008.
25. A. F. Stalder, G. Kulik, D. Sage, L. Barbieri, and P. Hoffmann, "A snake-based approach to accurate determination of both contact points and contact angles," Colloids and Surfaces A: Physicochemical and Engineering Aspects, vol. 286, no. 1-3, pp. 92-103, 2006.
26. H. Noei, H. Qiu, Y. Wang, E. Löffler, C. Wöll, and M. Muhler, "The identification of hydroxyl groups on ZnO nanoparticles by infrared spectroscopy," Physical Chemistry Chemical Physics, vol. 10, no. 47, pp. 7092-7097, 2008.
27. T. Noguchi, "FTIR detection of water reactions in the oxygenevolving centre of photosystem II," Philosophical Transactions of the Royal Society B: Biological Sciences, vol. 363, no. 1494, pp. 1189-1194, 2008.
28. P. S. Xu, Y. M. Sun, C. S. Shi, F. Q. Xu, andH. B. Pan, "The electronic structure and spectral properties of ZnOand its defects," Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, vol. 199, pp. 286-290, 2003.
29. D. R. Pernik, K. Tvrdy, J. G. Radich, and P. V. Kamat, "Tracking the adsorption and electron injection rates of CdSe quantum dots on TiO2: Linked versus direct attachment," The Journal of Physical Chemistry C, vol. 115, no. 27, pp. 13511-13519, 2011.
30. R. S. Dibbell and D. F. Watson, "Distance-dependent electron transfer in tethered assemblies of cds quantum dots and TiO2 nanoparticles," Journal of Physical Chemistry C, vol. 113, no. 8, pp. 3139-3149, 2009.
31. K. Tvrdy, P. A. Frantsuzov, and P. V. Kamat, "Photoinduced electron transfer from semiconductor quantum dots to metal oxide nanoparticles," Proceedings of the National Academy of Sciences of theUnited States of America, vol. 108, no. 1,pp. 29-34, 2011.
32. J. Doménech and A. Prieto, "Stability of ZnO particles in aqueous suspensions under UV illumination," Journal of Physical Chemistry, vol. 90, no. 6, pp. 1123-1126, 1986.