Enhanced Carrier Transport of N-Doped TiO2 for Photoelectrochemical Cells

被引：13

作者：

Kim, Jae-Hong ^{[1
]}

Yun, Tae Kwan ^{[1
]}

Bae, Jae-Yung ^{[2
]}

Ahn, Kwang-Soon ^{[1
]}

机构：

[1] Yeungnam Univ, Sch Display & Chem Engn, Kyongsan 712749, Gyeongbuk, South Korea

[2] Keimyung Univ, Dept Chem, Taegu 704701, South Korea

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2009年 / 48卷 / 12期

关键词：

VISIBLE-LIGHT; WATER; FILMS; GENERATION;

D O I：

10.1143/JJAP.48.120204

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The carrier transport kinetics of the TiO2 film doped with N (TiO2:N) were investigated by measuring the current and open circuit potential transients under light on/off illumination. These measurements were compared to an undoped film. The N in TiO2 not only shifted the light absorption into a longer wavelength region (known effect) but also enhanced the carrier transport. The combination of these two effects improved the photogeneration of the electron-hole pairs and suppressed their recombination, resulting in much better photoelectrochemical performance, compared to that of the undoped TiO2. (c) 2009 The Japan Society of Applied Physics

引用

页数：3

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