Facile, room-temperature synthesis of NiSe2 nanoparticles and its improved performance with graphene in dye-sensitized solar cells

被引：12
|
作者：
Yue, Zongkai [1 ]
Wu, Guizhu [1 ]
Chen, Xue [1 ]
Han, Yafeng [2 ]
Liu, Lu [1 ]
Zhou, Qixing [1 ]
机构：
[1] Nankai Univ, Key Lab Pollut Proc & Environm Criteria, Tianjin Key Lab Environm Remediat & Pollut Contro, Coll Environm Sci & Engn,Minist Educ, Tianjin 300071, Peoples R China
[2] Tianjin Hebei Ctr Dis Control & Prevent, Tianjin 300150, Peoples R China
来源：
MATERIALS LETTERS | 2017年 / 192卷
基金：
美国国家科学基金会;
关键词：
Nanoparticles; Semiconductors; Solar energy materials; COUNTER-ELECTRODE; RADICAL OXIDATION; FILMS; OXIDE; NANOSHEETS;
D O I：
10.1016/j.matlet.2016.12.053
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Metal selenides have been proposed as counter electrodes (CEs) to substitute for Pt in dye-sensitized solar cells (DSSCs) due to their good catalytic activity for the reduction of triiodide. In this paper, NiSe2 nanoparticles were synthesized by a facile, room-temperature process and used as the CEs. In order to further enhance the photovoltaic property, graphene was introduced by facile physical mixing. Eventually, with the assistance of graphene, NiSe2 + 6 wt% graphene CE exhibited better power conversion efficiency (PCE) compared with Pt CE. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：84 / 87
页数：4
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