氧化石墨烯作为p型掺杂剂和抗反射涂层，应用于石墨烯/硅太阳能电池中。
Graphene oxide as a p-dopant and an anti-reflection coating layer, in graphene/silicon solar cells.
作者信息
Yavuz S, Kuru C, Choi D, Kargar A, Jin S, Bandaru P R
机构信息
Program in Materials Science, Department of Mechanical Engineering, University of California, San Diego, La Jolla, CA 92093, USA.
Department of Electrical Engineering, University of California, San Diego, La Jolla, CA 92093, USA.
出版信息
Nanoscale. 2016 Mar 28;8(12):6473-8. doi: 10.1039/c5nr09143h.
It is shown that coating graphene-silicon (Gr/Si) Schottky junction based solar cells with graphene oxide (GO) improves the power conversion efficiency (PCE) of the cells, while demonstrating unprecedented device stability. The PCE has been shown to be increased to 10.6% (at incident radiation of 100 mW cm(-2)) for the Gr/Si solar cell with an optimal GO coating thickness compared to 3.6% for a bare/uncoated Gr/Si solar cell. The p-doping of graphene by the GO, which also serves as an antireflection coating (ARC) has been shown to be a main contributing factor to the enhanced PCE. A simple spin coating process has been used to apply GO with thickness commensurate with an anti-refection coating (ARC) and indicates the suitability of the developed methodology for large-scale solar cell assembly.
结果表明，用氧化石墨烯（GO）包覆基于石墨烯-硅（Gr/Si）肖特基结的太阳能电池，可提高电池的功率转换效率（PCE），同时展现出前所未有的器件稳定性。与未包覆的裸Gr/Si太阳能电池的3.6%相比，对于具有最佳GO包覆厚度的Gr/Si太阳能电池，其PCE已提高至10.6%（在100 mW cm(-2)的入射辐射下）。GO对石墨烯的p型掺杂，同时其也作为抗反射涂层（ARC），已被证明是PCE提高的主要因素。已采用一种简单的旋涂工艺来涂覆厚度与抗反射涂层（ARC）相当的GO，并表明所开发的方法适用于大规模太阳能电池组装。
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