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, Alan H. Chin, Majid Keshavarz, Majid Keshavarz, Guo Wang, Guo Wang, Rosaline Yu, Rosaline Yu, Xinwei Niu, Xinwei Niu, Liyou Yang, 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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