NiS2 Nanosheet Films Supported on Ti Foils: Effective Counter Electrodes for Quantum Dot-Sensitized Solar Cells

被引：10

作者：

Gong, Cheng ^{[1
,2
]}

Hong, Xiaodan ^{[3
]}

Xiang, Siwan ^{[1
,2
]}

Wu, Zhi ^{[1
,2
]}

Sun, Lan ^{[1
,2
]}

Ye, Meidan ^{[3
]}

Lin, Changjian ^{[1
,2
]}

机构：

[1] Xiamen Univ, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China

[2] Xiamen Univ, Coll Chem & Chem Engn, Dept Chem, Xiamen 361005, Peoples R China

[3] Xiamen Univ, Res Inst Biomimet & Soft Matter, Dept Phys, Fujian Prov Key Lab Soft Funct Mat Res, Xiamen 361005, Peoples R China

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2018年 / 165卷 / 03期

基金：

中国国家自然科学基金;

关键词：

HIGHLY EFFICIENT; ARRAYS; PERFORMANCE; CU1.8S; GROWTH; CUS;

D O I：

10.1149/2.0171803jes

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Ni(OH)(2) nanosheet films were fabricated on Ti foils by a simple hydrothermal method and subsequently converted into NiS2 via a vulcanized post-treatment at high temperature. The resultant NiS2 nanosheet films were applied to quantum dot-sensitized solar cells (QDSSCs) as counter electrodes (CEs), showing great electrocatalytic activity with low charge-transfer resistance and high exchange current density in the reduction of the polysulfide electrolyte. An optimized power conversion efficiency up to 2.25% was achieved for the optimum NiS2-based QDSSC, suggesting an 51% enhancement in comparison with that of the QDSSC featuring the Pt CE (1.49%). (C) The Author(s) 2018. Published by ECS.

引用

页码：H45 / H51

页数：7

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