Honeycomb-like NiCo2S4 nanosheets prepared by rapid electrodeposition as a counter electrode for dye-sensitized solar cells

被引：15

作者：

Yin, Jie ^{[1
]}

Wang, Yuqiao ^{[1
]}

Meng, Wenfei ^{[1
]}

Zhou, Tianyue ^{[1
]}

Li, Baosong ^{[2
]}

Wei, Tao ^{[3
]}

Sun, Yueming ^{[1
]}

机构：

[1] Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China

[2] Hohai Univ, Coll Mech & Mat, Nanjing 211100, Jiangsu, Peoples R China

[3] Wenzhou Med Univ, Chem Biol Res Ctr, Sch Pharmaceut Sci, Wenzhou 325035, Peoples R China

来源：

NANOTECHNOLOGY | 2017年 / 28卷 / 34期

基金：

中国国家自然科学基金;

关键词：

honeycomb-like structure; nickel cobalt sulfide; counter electrode; electrodeposition; solar cell; IN-SITU GROWTH; ARRAYS; GRAPHENE;

D O I：

10.1088/1361-6528/aa76b2

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Honeycomb-like nickel cobalt sulfide (NiCo2S4) nanosheets were directly deposited on fluorine-doped tin oxide substrate by a rapid voltammetric deposition method. The method was also controllable and feasible for preparing NiCo2S4 on flexible Ti foil without any heating processes. Compared with Pt, CoS and NiS, NiCo2S4 exhibited low charge-transfer resistances and excellent electrocatalytic activity for I-3(-) reduction, acting as a counter electrode for a dyesensitized solar cell. The NiCo2S4-based solar cell showed higher power conversion efficiency (7.44%) than that of Pt-based solar cell (7.09%) under simulated illumination (AM 1.5 G, 100 mW cm(-2)). The device based on the flexible NiCo2S4/Ti foil achieved a power conversion efficiency of 5.28% under the above illumination conditions. This work can be extended to flexible and wearable technologies due to its facile technique.

引用

页数：7

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