Photoresponse of undoped and W-doped TiO2

被引：0

作者：

Radecka, M ^{[1
]}

Sobas, P ^{[1
]}

Trenczek, A ^{[1
]}

Rekas, M ^{[1
]}

机构：

[1] AGH Univ Sci & Technol, Fac Mat Sci & Ceram, PL-30059 Krakow, Poland

来源：

POLISH JOURNAL OF CHEMISTRY | 2004年 / 78卷 / 10期

关键词：

titanium oxide; photoanode; solar energy conversion; photoelectrochemistry;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Undoped and W-doped polycrystalline TiO2 were investigated. The kinetics of recombination processes has been studied. The flat band potential of TiO2 was determined (-0.11 V in respect to saturated calomel electrode, at pH = 7.8). Basing on the photocurrent experiments, the effect of W concentration on solar energy conversion efficiency was discussed. It was found, that addition of W leads to an increase of solar-to-hydrogen energy efficiency. The maximum energy conversion efficiency has been observed for voltage bias ca 0.65 V. The highest energy conversion efficiency has been observed for TiO2 doped with 0.1 at % W.

引用

页码：1925 / 1934

页数：10

共 30 条

[1] Photoresponse and AC impedance characterization of m-TiO2 films during hydrogen and oxygen evolution reactions in an electrochemical cell [J].