Preparation of TiO2 nanoparticles two-dimensional photonic-crystals: a novel scattering layer of quantum dot-sensitized solar cells

被引：9
作者：
Deng, Jianping [1 ]
Wang, Minqiang [2 ]
Yang, Zhi [2 ]
Yang, Yongping [1 ]
Zhang, Pengchao [1 ]
机构：
[1] Shaanxi Sci Tech Univ, Shaanxi Key Lab Ind Automat, Hanzhong 723001, Peoples R China
[2] Xi An Jiao Tong Univ, Int Ctr Dielect Res, Elect Mat Res Lab, Xian 710049, Peoples R China
来源：
MATERIALS LETTERS | 2016年 / 183卷
关键词：
Photonic crystals; Thick films; Solar cells; Microstructure; COUNTER ELECTRODE; NANOROD ARRAYS; GROWTH; FABRICATION; EFFICIENCY;
D O I：
10.1016/j.matlet.2016.07.139
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Photonic crystals (PCs) have been intensively studied due to their unique optical properties, and the solar cells based on PCs have attracted wide attention. In this paper, we have prepared TiO2 nanoparticles (NPs) two-dimensional(2D) PCs(TiO2-2D-PCs) microstructure by a novel and simple method based on a micro-extrusion (ME) process. To preliminarily assess the possibility of 2D-PCs applied to solar cells, TiO2-2D-PCs thick films as light scattering layer were appliedin CdSe-sensitized solar cells. The absorption spectra showed that TiO2-2D-PCs greatly enhanced the light absorbance of cells, and the cell with TiO2-2D-PCs exhibited 47.2% enhancement in short-circuit current density(Jsc) and 73.9% enhancement in the power conversion efficiency (eta) as compared to the cell without TiO2-2D-PCs. (C) 2016 Elsevier B. V. All rights reserved.
引用
收藏
页码：307 / 310
页数：4
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