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Erschienen in: Journal of Materials Science: Materials in Electronics 3/2020

16.12.2019

Controllable synthesize core-shelled Zn0.76Co0.24S nanospheres as the counter-electrode in dye-sensitized solar cells and its enhanced electrocatalytic performance

verfasst von: Qiaoyu Cui, Qun Yang, Wen Wang, Jixin Yao, Zhongfei Liu, Xueqing Zuo, Kerong Zhu, Guang Li, Shaowei Jin

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 3/2020

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Abstract

The core-shelled structure nanomaterial is a potential kind of progressive catalysts for the transformation of energy due to their superior catalytic properties, large specific surface, and expedited velocity of electron transport. Meanwhile, the transition metal chalcogenides with complex nanostructures have been considered potential substitutes for highly active and scarce noble metal because of the remarkable electrical and photic catalytic activity. In this study, the Zn0.76Co0.24S nanospheres with different nanostructures were obtained by varying the solvothermal treatment durations. The measurement results exhibited that the as-prepared Zn0.76Co0.24S nanospheres possessed a large surface area (135.7 m2 g−1), better average pore size distribution (9.2 nm), and the excellent conductivity (Rct = 0.24 Ω). Specifically, the photocurrent density versus voltage (JV) curves demonstrated that a 7.42% power conversion efficiency (PCE) was achieved for the dye-sensitized solar cells (DSSCs) employing Zn0.76Co0.24S as the counter-electrode under a simulated solar light, which is evidently superior to the value of Pt (7.07% PCE) and the value of ZnCo2O4 (4.60% PCE).

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Metadaten
Titel
Controllable synthesize core-shelled Zn0.76Co0.24S nanospheres as the counter-electrode in dye-sensitized solar cells and its enhanced electrocatalytic performance
verfasst von
Qiaoyu Cui
Qun Yang
Wen Wang
Jixin Yao
Zhongfei Liu
Xueqing Zuo
Kerong Zhu
Guang Li
Shaowei Jin
Publikationsdatum
16.12.2019
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 3/2020
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-019-02696-w

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