10 May 2017 Light management of tandem solar cells on nanostructured substrates
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Abstract
We report the use of nanostructured substrates as a simple approach to improve the performance of tandem micromorph silicon solar cells. In the proposed approach, nanostructured substrates are produced using a low-cost, self-assembled growth process. The use of a nanostructured substrate coated with a thick transparent conductive oxide electrode layer enables the conformal deposition of the tandem solar cell absorber layers while allowing the solar cell to exhibit a modified surface morphology caused by the underlying nanostructured morphology. Using this nanostructured substrate approach, we demonstrated a 78% relative enhancement in the conversion efficiency of a tandem micromorph silicon cell on a nanostructured substrate compared to a standard tandem micromorph cell deposited onto a flat substrate.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Alan H. Chin, Majid Keshavarz, Guo Wang, Rosaline Yu, Xinwei Niu, Liyou Yang, "Light management of tandem solar cells on nanostructured substrates," Journal of Photonics for Energy 7(2), 027001 (10 May 2017). https://doi.org/10.1117/1.JPE.7.027001 . Submission: Received: 12 December 2016; Accepted: 17 April 2017
Received: 12 December 2016; Accepted: 17 April 2017; Published: 10 May 2017
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