Photosensitive heterojunctions of silicon coated with sol-gel derived TiO2 dispersed in poly(3,4-ethylendi oxythiophene)/poly(styrenesulfonate)

被引：12
作者：
Arena, A.
Donato, N.
Saitta, G.
Rizzo, G.
Neri, G.
Pioggia, G.
机构：
[1] Univ Messina, Dipartimento Fis Materia & Tecnol Fis Avanzate, I-98166 Messina, Italy
[2] Univ Messina, Dipartimento Chim Ind & Ingn Materiali, Messina, Italy
[3] Univ Pisa, Ctr Interdipartimentale Ric E Piaggio, Pisa, Italy
来源：
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 2007年 / 43卷 / 01期
关键词：
TiO2; sol-gel; PEDOT; organic-inorganic heterojunctions;
D O I：
10.1007/s10971-007-1559-1
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Sol-gel derived aggregates of titania nanocrystals, synthesized starting from alcohol-water solutions of titanium isopropoxide, were characterized by Scanning Electron Microscopy (SEM) and X-Ray Diffraction (XRD) measurements. The TiO2 powder was dispersed in aqueous solutions of poly(3,4-ethylendioxythiophene)/poly(styrenesulfonate) (PEDOT-PSS), and the blends were coated on n-doped silicon substrates to achieve simple design heterojunctions. Current versus voltage measurements performed both in the dark and under broad band light irradiation show that the nSi/PEDOT-PSS/TiO2 heterojunctions have remarkable photosensitive behaviour, promising in view of applications as hybrid photovoltaic cells.
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收藏
页码：41 / 46
页数：6
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