Photoconductivity on nanocrystalline ZnO/TiO2 thin films obtained by sol-gel

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 7041, Issue , 2008, Pages

  Valverde Aguilar, G ^a   Garcia Macedo J A ^a   Juarez Arenas R ^a  

^a UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO   (Mexico)

Author keywords

Semiconductors; Sol gel; Thin film; Titania; Zinc oxide

Indexed keywords

ABSORPTION SPECTROSCOPY; COLLOIDS; CURVE FITTING; ELECTRIC CONDUCTIVITY; ELECTRIC CURRENTS; GELATION; GELS; INFRARED SPECTROSCOPY; NANOCRYSTALLINE ALLOYS; NANOCRYSTALLINE MATERIALS; NANOSTRUCTURED MATERIALS; NITRATES; OPTICAL MICROSCOPY; PHOTOCONDUCTIVITY; PHOTOELECTRICITY; PHOTOREFRACTIVE MATERIALS; SOL-GEL PROCESS; SOL-GELS; SOLIDS; SOLS; SPECTROSCOPIC ANALYSIS; SPIN GLASS; THICK FILMS; THIN FILMS; TITANIUM DIOXIDE; TITANIUM OXIDES; X RAY ANALYSIS; ZINC; ZINC OXIDE;

CHARGE TRANSPORTS; COATING METHODS; ELECTRONIC MICROSCOPIES; EXPERIMENTAL DATUMS; GLASS SUBSTRATES; INORGANIC PRECURSORS; NANOCRYSTALLINE; NANOCRYSTALLINE FILMS; OHMIC BEHAVIORS; OPTICAL ABSORPTIONS; POLYNOMIAL FITS; ROOM TEMPERATURES; SEMICONDUCTORS; SOL-GEL; STRAIGHT LINES; TETRABUTYL ORTHOTITANATE; TITANIA; X-RAY DIFFRACTIONS; ZINC NITRATES; ZNO/TIO;

AMORPHOUS FILMS;

EID: 56249103451     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.795461     Document Type: Conference Paper

References (19)

1. 3 Nanoclusters and Nanostructured -Thin Films", Langmuir, 14, 3236-3241 (1998).
2. 2 composite film electrodes towards pentachlorophenol degradation", Phys. Chem. Chem. Phys., 6, 659-664 (2004).
3. 2 films", International Journal of Hydrogen Energy, 32, 3137-3140 (2007).
4. 2 thin films", Chemosphere, 62 (5), 810-816 (2005).
5. C. S. Zalazar, C. A. Martin, A. E. Cassano, "Photocatalytic intrinsic reaction kinetics. II: effects of oxygen concentration on the kinetics of the photocatalytic degradation of dichloroacetic acid", Chem. Eng. Sci, 60, 4311-4322 (2005).
6. 2 systems. 2. Surface, bulk characterization, and 4-nitrophenol photodegradation in liquid-solid regime", J. Phys. Chem. B, 105, 1033-1040 (2001).
7. 2 composite", J. Photochem. Photobiol. A Chem, 172, 269-274 (2005).
8. Zhang D. K., Liu Y. C., Liu Y. L., Yang H., "The electrical properties and the interfaces of CuO/ZnO/ITO p-i-n heterojunction", Physica B, 351, 178-183 (2004).
9. 3+", Opt. Mat. 3, 61-64 (1994).
10. 2 composite film electrodes towards pentachlorophenol degradation", Phys. Chem. Chem. Phys. 6, 659-664 (2004).
11. 2 for Enhanced Surface Properties: Finite Ostwald Ripening by a Microwave Hydrothermal Process", Langmuir 22, 2016-2027 (2006).
12. P. Lakshmi, K. Ramachandran, "On the Optical, Thermal, and Vibrational Properties Of Nano-ZnO:Mn, A Diluted Magnetic Semiconductor", International Journal of Thermophysics 28 (4), 1353-1370, 2007.
13. N. Ashkenov, B. N. Mbenkum, C. Bundesmann, V. Riede, M. Lorenz, D. Spemann, E. M. Kaidashev, A. Kasic, M. Schubert, M. Grundmann, G. Wagner, H. Neumann, V. Darakchieva, H. Arwin, B. Monemar, "Infrared dielectric functions and phonon modes of high-quality ZnO films", J. Appl. Phys. 93 (1), 126-133 (2003).
14. Z. Wang, H. Zhang, Z. Wang, L. Zhang, J. Yuan, S Yan, C. Wang, "Structure and strong ultraviolet emission characteristics of amorphous ZnO films grown by electrophoretic deposition", J. Mater. Res. 18 (1), 151-155 (2003).
15. Y. Djaoued, S. Badilescu, P. V. Ashrit, D. Bersani, P. P. Lottici, "Study of Anatase to Rutile Phase Transition in Nanocrystalline Titania Films", J. Sol-Gel Sci. & Techn. 24, 255-264 (2002).
16. 2 Thin Films", J. Sol-Gel Sci. & Techn. 24, 247-254 (2002).
17. 2 synthesized by sol-gel procedure", Mat. Sci. and Eng. B 47 (1), 33-40 (1997).
18. Z. Xie, V. M. Burlakov, B. M. Henry, K. R. Kirov, H. E. Smith, C. R. M. Grovenor, H. E. Assender, G. A. D. Briggs, M. Kano, Y. Tsukahara, "Intensity-dependent relaxation of photoconductivity in nanocrystalline titania thin films", Phys. Rev. B 73, 113317-1 to 113317-4 (2006).
19. G. Marci, V. Augugliaro, M. J. López-Muñoz, C. Martín, L. Palmisano, V. Rives, m. Schiavello, R. J. D. Tilley, A. M. Venezia, "Preparation, characterization and photocatalytic activity of polycrystalline ZnO/TiO2 systems. 1. Surface and bulk characterization", J. Phys. Chem. B 105, 1026-1032 (2001).