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Improved Efficiency of Structured Si Solar Cells via Graphene Hybrid Materials as Top Electrodes

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Developing cost-effective and large-area electrodes for structured solar cells is a critical requirement for high-throughput products. In the study, we present the fabrication technique of reduced graphene oxide (rGO) hybrid materials as top electrode for structured Si solar cells. To further improve the performance of solar cells, the rGO hybrid materials composed of rGO and Ag nanowires (AgNWs) are spin-coated on top of the structured Si. The proposed method solves the problem of graphene damage during transferring process and it shows a great potential for depositing a large-scale graphene film on structured surfaces. Due to an optimum quantity of AgNWs added in the rGO solution, the structured Si solar cell exhibits a remarkable enhanced efficiency of 8.83% compared with the cell that is using pure rGO flakes as top electrodes. This work realizes the rGO hybrid materials casted on structured surface and may pave the way for the next-generation of large-area and structured devices.
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Document Type: Research Article

Publication date: August 1, 2017

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  • Journal of Nanoelectronics and Optoelectronics (JNO) is an international and cross-disciplinary peer reviewed journal to consolidate emerging experimental and theoretical research activities in the areas of nanoscale electronic and optoelectronic materials and devices into a single and unique reference source. JNO aims to facilitate the dissemination of interdisciplinary research results in the inter-related and converging fields of nanoelectronics and optoelectronics.
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