Temperature Dependence in the Surface Treatment of Photoelectrode on the Performance of Dye-Sensitized Solar Cells

被引：0

作者：

Han, Yoon Soo ^{[1
]}

机构：

[1] Catholic Univ Daegu, Dept Adv Energy Mat Sci & Engn, Gyongsan 712702, Gyeongbuk, South Korea

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2013年 / 586卷 / 01期

关键词：

Dip coating; dye-sensitized solar cell; NaOH; negative band shift; surface treatment; SHELL NANOPOROUS ELECTRODE; BAND-EDGE MOVEMENT; NANOCRYSTALLINE TIO2; EFFICIENCY; LAYER; FILMS; PHOTOVOLTAGE; CONVERSION; INJECTION; CORE;

D O I：

10.1080/15421406.2013.851460

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The temperature dependence in the surface treatment of TiO(2)photoelectrode on the photovoltaic properties of dye-sensitized solar cells (DSSCs) was studied. A nanoporous TiO(2)electrode was modified with aqueous NaOH solution by simple dip coating process at varied temperatures and dipping time, and then applied to DSSCs. Throughout the optimization of surface-treatment temperature (40 degrees C) and time (10min), we obtained a higher power conversion efficiency (PCE) of 7.7% in DSSC with NaOH-modified TiO(2)layer, compared to that (6.81%) of reference device with bare TiO2. The enhancement in PCE was attributed to an increase in open circuit voltage due to a negative shift of conduction band edge, arising from the anion formation on TiO(2)surface.

引用

页码：53 / 60

页数：8

共 21 条

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