One-step synthesis of three-dimensional nitrogen and sulfur co-doped graphene networks as low cost metal-free counter electrodes for dye-sensitized solar cells

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• 作者：Zhou Yu^a ; Yu Bai^a ; ^d ; ^{yu.bai@hit.edu.cn} ; Yanxiang Wang^b ; Yuxuan Liu^a ; Yanli Zhao^a ; Yang Liu^b ; ^{yang.liu@hit.edu.cn} ; Kening Sun^a ; ^c ; ^{keningsunhit@126.com}
• 关键词：Nitrogen sulfur doping ; Three-dimensional graphene ; Dye-sensitized solar cell ; Counter electrode ; Iodide/triiodide catalyst
• 刊名：Chemical Engineering Journal
• 出版年：2017
• 出版时间：1 March 2017
• 年：2017
• 卷：311
• 期：Complete
• 页码：302-309
• 全文大小：2329 K
• 卷排序：311

文摘

NS-GN was prepared through a facile one-step doping process. Doping graphene with S and/or N atoms created more active sites for I3− reduction. The N and/or S doping enhanced the electrocatalytic activity of graphene. The DSSC based on NS-GN showed a high power conversion efficiency of 9.40%.