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YINGHUI SUN1,* , PINGXIONG YANG1, YE CHEN1, LIYAN SHANG1, JUNHAO CHU1
Recently, i ncorporation of band gap graded structure into Cd Te absorption layer has been proposed for Cd Te based solar cells. In the present work, we numerically investigate t he effects of band gap gradation on photovoltaic characteristics for CdS/Cd ZnTe band gap back graded solar cells Dependences of short circuit current density, open circuit voltage, and conversion efficiency on the grading strength are obtained and analyze d . Moreover, impact s of minority carrier diffusion length of band gap graded Cd ZnTe layer on the grading benefits for CdS/Cd ZnTe back graded solar cells are discussed in detail.
CdS/Cd ZnTe thin film solar cell Graded band gap SCAPS Photovoltaic characteristics Minority carrier diffusion length.
YINGHUI SUN, PINGXIONG YANG, YE CHEN, LIYAN SHANG, JUNHAO CHU, N umerical evaluation of grading benefits in Cd S/CdZnTe band gap back graded solar cells, Optoelectronics and Advanced Materials - Rapid Communications, 6, 1-2, January-February 2012, pp.280-283 (2012).
Submitted at: Nov. 12, 2011
Accepted at: Feb. 20, 2012
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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