Dye-sensitized solar cell utilizing silver-reduced graphene oxide film counter electrode: effect of silver content on its performance
Dye-sensitized solar cell utilizing silver-reduced graphene oxide film counter electrode: effect of silver content on its performance
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DOI：
10.1007/s11581-018-2524-4
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发表时间：
2018-03
期刊：
影响因子：
2.8
通讯作者：
N. Mustaffa;M. Rahman;A. Umar
中科院分区：
文献类型：
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作者：
N. Mustaffa;M. Rahman;A. Umar
本文报道了在染料敏化太阳能电池（DSSC）中使用银还原氧化石墨烯（rGO）薄膜作为对电极。研究了硝酸银（AgNO3）浓度对氧化石墨烯性能和器件光伏参数的影响。样品呈结晶状，存在氧化石墨烯和银相。样品由导电区和非导电区组成，分别由白色条带和黑色区域表示。光透射率随agno3浓度的变化而变化。研究发现，随着agno3浓度的增加，短路电流密度（JSC）逐渐增大，直至最佳浓度为0.2 M。使用0.20 M agno3制备的DSSC样品，由于电解质/掺银还原氧化石墨烯对电极界面处的体积电阻和电荷转移电阻最小，其JSC η最高，分别为2.583 mA cm−2和0.428%。
This paper reports the use of silver-reduced graphene oxide (rGO) films as counter electrode in a dye-sensitized solar cell (DSSC). The effect of silver content in terms of silver nitrate (AgNO3)concentration on the properties of rGO and photovoltaic parameters of the device has been investigated. The samples are crystalline with the existence of GO and silver phases. The samples comprise of conductive and non-conductive region represented by white strip and dark region, respectively. The optical transmission varies with the AgNO3concentration. It was found that the short-circuit current density (JSC) increases with the AgNO3concentration until the optimum concentration of 0.2 M. The DSSC utilizing the sample prepared using 0.20 M AgNO3demonstrated the highestJSCandηof 2.583 mA cm−2and 0.428%, respectively, due to the smallest bulk resistance and charge-transfer resistance at the interface of electrolyte/silver-doped rGO counter electrode.