Nitrogen-Doped Graphene Foams as Metal-Free Counter Electrodes in High-Performance Dye-Sensitized Solar Cells

被引:563
作者
Xue, Yuhua [1 ,2 ]
Liu, Jun [2 ]
Chen, Hao [1 ]
Wang, Ruigang [3 ]
Li, Dingqiang [3 ]
Qu, Jia [1 ]
Dai, Liming [1 ,2 ]
机构
[1] Wenzhou Med Coll, Inst Adv Mat Nanobio Applicat, Sch Ophthalmol & Optometry, Wenzhou 325027, Zhejiang, Peoples R China
[2] Case Western Reserve Univ, Dept Macromol Sci & Engn, Ctr Adv Sci & Engn Carbon Case4Carbon, Cleveland, OH 44106 USA
[3] Youngstown State Univ, Dept Chem, Youngstown, OH 44555 USA
基金
美国国家科学基金会;
关键词
carbon; dye-sensitized solar cells; electrochemistry; energy conversion; graphene; OXYGEN REDUCTION; THIN-FILMS; OXIDE; TRANSPARENT; SHEETS; ARRAYS;
D O I
10.1002/anie.201207277
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Efficient without metal: Nitrogen-doped graphene foams with a nitrogen content up to 7.6 % have been prepared and used as counter electrodes in dye-sensitized solar cells (DSSCs; see picture). The doping with nitrogen leads to a power conversion efficiency of 7.07 %. This is one of the highest values reported for DSSCs with carbon-based metal-free counter electrodes. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:12124 / 12127
页数:4
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