22 October 2013 Light management and efficient carrier generation with a highly transparent window layer for a multijunction amorphous silicon solar cell
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Abstract
P-layer of a p-i-n type amorphous silicon solar cell helps in creating a built-in electric field inside the cell; it also contributes to parasitic absorption loss of incident light. Here, we report optimization of these two characteristic contributions of the p-layer of the cell. We used a highly transparent p-type hydrogenated amorphous silicon carbide (p-a-Si 1x C x :H ) window layer in an amorphous silicon solar cell. With the increased transparency of the p-type layer, the solar cell showed an improvement in short-circuit current density by 17%, along with improvement in blue response of its external quantum efficiency, although further thinner p-layer showed lower open-circuit voltage. Such a cell shows low light-induced degradation and a promise to be used in high-efficiency multijunction solar cell.
© 2013 Society of Photo-Optical Instrumentation Engineers (SPIE)
Sk Md Iftiquar, Sk Md Iftiquar, Jeong Chul Lee, Jeong Chul Lee, Jieun Lee, Jieun Lee, Youngkuk Kim, Youngkuk Kim, Juyeon Jang, Juyeon Jang, Yeun-Jung Lee, Yeun-Jung Lee, Junsin Yi, Junsin Yi, } "Light management and efficient carrier generation with a highly transparent window layer for a multijunction amorphous silicon solar cell," Journal of Photonics for Energy 3(1), 032099 (22 October 2013). https://doi.org/10.1117/1.JPE.3.033098 . Submission:
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