Synthesis of type-II heterojunction films between ReS2 and XS2 (X = Mo,W) with high electrocatalystic activities in dye-sensitized solar cells

被引：0

作者：

Zhang, Yan ^{[1
]}

Yan, Yuna ^{[1
]}

Shen, Gang ^{[1
]}

Hong, Kunquan ^{[1
]}

机构：

[1] Southeast Univ, Sch Phys, Nanjing 211189, Peoples R China

来源：

CATALYSIS COMMUNICATIONS | 2022年 / 170卷

关键词：

MoS2; Dye-sensitized solar cells; Electrocatalytic activity; Photoelectric conversion efficiency; COUNTER-ELECTRODE; HIGH-PERFORMANCE; HIGH-EFFICIENCY; MONOLAYER; TRANSPORT; GRAPHENE; MOS2;

D O I：

10.1016/j.catcom.2022.106497

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Type-II heterojunction films between ReS2 and XS2 (X = Mo, W) were synthesized and their electrocatalystic activities were investigated. When used as counter electrodes (CE) of DSSC, they have excellent performance and ReS2/XS2 is far better (17-26%) than that of XS2/ReS2. For the band structures of ReS2 and XS2, they form a type -II heterojunction which facilitates the electrons diffusing from XS2 to the ReS2 layer. So the electrocatalytic activity is dramatically enhanced when ReS(2 )is the surface layer. These results indicate a type-II heterojunction can promote the transferring of electrons to further improve the photocatalytic performance of the CE.

引用

页数：5

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