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Layer-by-Layer Assembled Transparent Conductive Graphene Films for Silicon Thin-Film Solar Cells

机译:用于硅薄膜太阳能电池的逐层组装的透明导电石墨烯薄膜

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摘要

The potential of chemically derived graphene as a solution-processable transparent conductive film has been explored. Synthesis of amine-functionalized graphene oxide was intended for its utilization in layer-by-layer (LBL) assembly. LBL assembly of graphene oxide was utilized to fabricate graphene-based thin films in a scalable and highly reproducible way. It was found that the optical transmittance and sheet resistance of the film decrease with an increase in the number of LBL cycles in a reproducible way. The sheet resistance of the LBL-assembled GO film was improved by an order of magnitude at the same optical transparency due to the good uniformity and stacking of graphene flakes. Furthermore, we demonstrated the potential for the window electrodes of silicon thin-film solar cells.
机译:已经探索了化学衍生的石墨烯作为可溶液加工的透明导电膜的潜力。胺官能化氧化石墨烯的合成旨在将其用于逐层组装(LBL)。氧化石墨烯的LBL组件用于以可扩展和高度可复制的方式制造基于石墨烯的薄膜。已经发现,随着LBL循环数的增加,膜的透光率和薄层电阻以可再现的方式降低。由于石墨烯薄片的良好均匀性和堆叠性,在相同的光学透明性下,LBL组装的GO膜的薄层电阻提高了一个数量级。此外,我们展示了硅薄膜太阳能电池窗口电极的潜力。

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  • 来源
    《Japanese journal of applied physics》 |2012年第11issue2期|11PF01.1-11PF01.4|共4页
  • 作者单位

    Department of Electrical and Electronic Engineering, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan;

    Department of Electrical and Electronic Engineering, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan;

    Department of Physical Electronics, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan;

    Department of Physical Electronics, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan;

    Department of Electrical and Electronic Engineering, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan,Electronics-Inspired Interdisciplinary Research Institute (EIIRIS), Toyohashi University of Technology, Toyohashi, Aichi 441-8580, Japan;

    Department of Physical Electronics, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan,Photovoltaics Research Center (PVREC), Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan;

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