Enhanced Electron Lifetime on Nitrogen-Doped TiO2 Films for Dye-Sensitized Solar Cells

被引：8

作者：

Yun, Tae Kwan ^{[1
]}

Cheon, Jong Hun ^{[2
]}

Bae, Jae Young ^{[1
]}

Ahn, Kwang-Soon ^{[2
]}

Kim, Jae Hong ^{[2
]}

机构：

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

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

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2012年 / 12卷 / 04期

基金：

新加坡国家研究基金会;

关键词：

Dye-Sensitized Solar Cells; N-Doped TiO2; Electron Lifetime; Fluorescence Materials; Light Harvesting Character; Photon-to-Current Efficiency; PHOTOCATALYTIC ACTIVITY; LIGHT; CONVERSION; TITANIA;

D O I：

10.1166/jnn.2012.5567

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nitrogen-doped TiO2 crystallites were prepared via the hydrolysis of TiCl4 using an ammonia medium in an aqueous solution for DSSC photoelectrodes. The optimized photoelectrode for the DSSC was prepared with 9.4 nm sized N-doped TiO2 crystal (BET; 200 m(2)/g), which provides a relatively high short circuit current and energy conversion efficiency in the DSSC. The photovoltaic performance of the N-doped TiO2 electrode was confirmed using incident photon-to-current efficient spectra, impedance analyses, and Bode-phase plots which proved that the N-doped TiO2 electrode has a significantly enhanced electron lifetime compared with that of the P25 electrode.

引用

收藏

页码：3305 / 3308

页数：4

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