Novel core-shell TiO2 microsphere scattering layer for dye-sensitized solar cells

被引：42

作者：

Feng, Jiangwei ^{[1
]}

Hong, Yang ^{[1
]}

Zhang, Jing ^{[1
]}

Wang, Peiqing ^{[1
]}

Hu, Ziyang ^{[1
]}

Wang, Qin ^{[1
]}

Han, Liyuan ^{[2
]}

Zhu, Yuejin ^{[1
]}

机构：

[1] Ningbo Univ, Dept Phys, Ningbo 315211, Zhejiang, Peoples R China

[2] Natl Inst Mat Sci, Photovolta Mat Unit, Tsukuba, Ibaraki, Japan

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2014年 / 2卷 / 05期

基金：

中国国家自然科学基金;

关键词：

HOLLOW SPHERES; PHOTOVOLTAIC PERFORMANCE; NANOCRYSTALLINE TIO2; LIGHT-SCATTERING; EFFICIENCY; FABRICATION; CONVERSION; BEADS; FILM;

D O I：

10.1039/c3ta13523c

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Core-shell TiO2 microspheres were synthesised by a one step solvothermal method in ethanol solvent. The single anatase TiO2 core-shell structure exhibited high reflectance and large surface area due to its special structure. When applied in the dye-sensitized solar cells (DSCs), this micro-spherical core-shell structure effectively enhanced light harvesting and led to the increase of the photocurrent of the DSCs. As a result, 29% improvement in conversion efficiency of DSCs was achieved after introducing the core-shell TiO2 scattering layer. A comparative experiment between the core-shell structure and a solid structure further confirmed that the core-shell structure is more beneficial for light scattering and photovoltaic performance. The excellent properties of the microspherical core-shell TiO2 make it a promising candidate as a scattering material for DSCs.

引用

页码：1502 / 1508

页数：7

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