Highly efficient ZIF-8/graphene oxide derived N-doped carbon sheets as counter electrode for dye-sensitized solar cells

被引:29
|
作者
Ou, Jinhua [1 ,3 ]
Gong, Chenghuan [2 ]
Wang, Mang [2 ]
Xiang, Juan [1 ]
Liu, Jinxuan [2 ]
机构
[1] Cent South Univ, Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
[2] Dalian Univ Technol, State Key Lab Fine Chem, Inst Artificial Photosynth, Dalian 116024, Peoples R China
[3] Hunan Inst Technol, Dept Mat & Chem Engn, Hengyang 421002, Peoples R China
关键词
Metal-organic framework; Graphene oxide; N-doped carbon sheet; Counter electrode; Dye-sensitized solar cell; OXYGEN REDUCTION; GRAPHENE; NANOPARTICLES; ELECTROCATALYSTS; SELENIDES; CATALYST;
D O I
10.1016/j.electacta.2018.08.038
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Zeolitic imidazolate frameworks-8 (Zn(MeIM) 2 , MelM = 2-Methylimidazole; ZIF-8)/graphene oxide derived N-doped carbon sheet has been synthesized, which exhibits superior electrocatalytic activity for the reduction of I-3(-) to I- . As the counter electrode in dye-sensitized solar cells, a power conversion efficiency of 8.2% has been achieved for N-doped carbon nanosheet, which is higher than that of Pt counter electrode 7.6%. This work demonstrates that carefully designed carbon material is a promising candidate as the metal-free counter electrodes for low-cost dye-sensitized solar cells. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码:212 / 218
页数:7
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