Pt/graphene nanocomposites with low Pt-loadings:synthesis through one- and two-step chemical reduction methods and their use aspromising counter electrodes for DSSCs
Pt/graphene nanocomposites with low Pt-loadings:synthesis through one- and two-step chemical reduction methods and their use aspromising counter electrodes for DSSCs
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低铂负载量的铂/石墨烯纳米复合材料：通过一步和两步化学还原方法合成及其作为 DSSC 对电极的应用
DOI：
10.1016/j.compscitech.2015.03.015
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发表时间：
2015
影响因子：
9.1
通讯作者：
Bi Wang
中科院分区：
文献类型：
--
作者：
Li Wan;Tianyue Luo;Shimin Wang;Xianbao Wang;Zhiguang Guo;Huayu Xiong;Binghai Dong;Li Zhao;Zuxun Xu;Xiuhua Zhang;Jing Li;Qiuping Zhang;Bi Wang
在这项研究中，一步和两步化学还原方法进行了比较方面的生产铂/石墨烯纳米复合材料与低铂（Pt）负载。循环伏安和电阻抗分析表明，该复合材料对碘离子/三碘离子的还原具有很高的电催化活性。此外，Pt/RGO复合材料沉积在氟掺杂的氧化锡基板上通过滴涂和施加作为对电极（CE）的染料敏化太阳能电池（DSSC）。基于Pt/RGO CE（使用一步还原法制备）的DSSC的能量转换效率仅比基于Pt CE的电池低0.9%。
In this study, one- and two-step chemical reduction methods were compared in terms of the production of Pt/graphene nanocomposites with low platinum (Pt)-loadings. Cyclic voltammetry and electrical impedance analysis indicated that the composites displayed high electrocatalytic activity with respect to the reduction of iodide/triiodide. Furthermore, the Pt/RGO composites were deposited on fluorine-doped tin oxide substrates by drop coating and were applied as counter electrodes (CEs) for dye-sensitized solar cells (DSSCs). The energy conversion efficiency of the DSSCs based on Pt/RGO CEs (prepared using the one-step reduction method) was only 0.9% lower than that of the Pt CE-based cell.