Photoconductive properties of TiO2 films prepared by the sol–gel method and its application View Full Text


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Article Info

DATE

1997-01

AUTHORS

Yutaka Haga, Heishoku An, Ryutoku Yosomiya

ABSTRACT

The Photoconductive characteristics of TiO2 films prepared by the sol-gel method, and the photovoltaic characteristics fabricated with the resulting TiO2 film and phthalocyanine nickel (NiPc) are investigated. For a TiO2 film with hydroxypropyl cellulose (Hpc) heat treated at 500°C for 10 min, the relative sensitivity is about ten times higher than that without Hpc. A space-charge-limited current is observed in the dark current–voltage characteristic of the TiO2 film with Hpc. It is found that the TiO2 film with Hpc has a photosensitizing effect. The photovoltaic characteristics of TiO2(Hpc)/NiPc are as follows: the short-circuit current density, Jsc is 5.6×10-7 A cm-2, the open-circuit voltage, Voc is 0.24 V, the fill factor (F.F) is 0.64 and the power conversion efficiency, η is 0.73. Furthermore, the carrier transport mechanisms of the TiO2(Hpc)/NiPc photovoltaic cell are discussed. More... »

PAGES

3183-3188

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1023/a:1018602801793

DOI

http://dx.doi.org/10.1023/a:1018602801793

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1015441541


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