Home // International Journal On Advances in Systems and Measurements, volume 7, numbers 1 and 2, 2014 // View article
Authors:
Joel Molina
Carlos Zuniga
Edmundo Gutierrez
Eunice Mendoza
Jose Luis Sanchez
Erick Bandala
Keywords: TiO2 nanoparticles; photoresistor; photocapacitor; photogeneration; sol-gel processing; metal-semiconductor.
Abstract:
In this work, rutile-phase TiO2 nanoparticles (r-TiO2) are embedded within a Spin-On Glass oxide matrix (using a simple, low thermal budget and economic deposition method) and the final TiO2:SiO2 suspension is used as photoactive material in Metal-Semiconductor structures. For this purpose, so-called “horizontal” and “vertical” structures are fabricated and characterized under I-V-Light conditions. The electronic, physical, chemical and photovoltaic characteristics of the final structures are obtained and correlated when irradiated with ultraviolet-visible (UV-Vis) light sources. I-V-Light characterization of these structures shows a reduction in the total resistance of thin aluminum stripes or reduction in the resistance state of TiO2:SiO2 composed dielectric when irradiated with UV light (compared to dark conditions). Because of the photogenerated carriers, these structures have photoresistor or photocapacitor features, which are quite useful for solar energy conversion and storage.
Pages: 34 to 43
Copyright: Copyright (c) to authors, 2014. Used with permission.
Publication date: June 30, 2014
Published in: journal
ISSN: 1942-261x