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Theory of Graded-Bandgap Thin-Film Solar Cells
Faiz AhmadAkhlesh LakhtakiaPeter B. Monk
出版Morgan & Claypool Publishers, 2021-08-24
主題Technology & Engineering / Power Resources / Alternative & RenewableTechnology & Engineering / Power Resources / GeneralScience / Physics / Electromagnetism
ISBN16363921729781636392172
URLhttp://books.google.com.hk/books?id=0chAEAAAQBAJ&hl=&source=gbs_api
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註釋Thin-film solar cells are cheap and easy to manufacture but require improvements as their efficiencies are low compared to that of the commercially dominant crystalline-silicon solar cells. An optoelectronic model is formulated and implemented along with the differential evolution algorithm to assess the efficacy of grading the bandgap of the CIGS, CZTSSe, and AlGaAs photon-absorbing layer for optimizing the power-conversion efficiency of thin-film CIGS, CZTSSe, and AlGaAs solar cells, respectively, in the two-terminal single-junction format. Each thin-film solar cell is modeled as a photonic device as well as an electronic device. Solar cells with two (or more) photon-absorbing layers can also be handled using the optolelectronic model, whose results will stimulate experimental techniques for bandgap grading to enable ubiquitous small-scale harnessing of solar energy.