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http://hdl.handle.net/1942/35910
Title: | Investigation of recombination mechanisms in Cu(In,Ga)Se2 solar cells using numerical modelling | Authors: | Yang, Sheng Khelifi, Samira DE WILD, Jessica VERMANG, Bart Lauwaert, Johan |
Issue Date: | 2021 | Publisher: | PERGAMON-ELSEVIER SCIENCE LTD | Source: | SOLAR ENERGY, 228 , p. 464 -473 | Abstract: | In this work, recombination mechanisms are investigated in Cu(In, Ga)Se-2 solar cells based on numerical modelling and verified by regression analysis of the dark and light current density-voltage (J-V) curves. Loss mechanisms such as a back contact barrier, deep level defects in the absorber layer are determined by fitting the simulated cell performance with the measurements using global optimisation algorithm differential evolution. The cell performance in the fitting process includes J-V curves recorded at different temperatures and opencircuit voltage(V-oc) under different illumination intensifies at 300K. The results show that for CIGSe solar cells with different preparation methods and absorber thickness, the main loss mechanisms are different. Based on the proposed numerical model and the observed loss mechanisms, suggestions are given for further improving the solar cell efficiency in each cell. | Notes: | Yang, S (corresponding author), Univ Ghent, Dept Elect & Informat Syst, Technol Pk 126, B-9052 Zwijnaarde, Belgium. sheng.yang@ugent.be |
Keywords: | CIGSe solar cell;Recombination mechanisms;Numerical modelling;Regression analysis;Differential evolution | Document URI: | http://hdl.handle.net/1942/35910 | ISSN: | 0038-092X | e-ISSN: | 1471-1257 | DOI: | 10.1016/j.solener.2021.09.041 | ISI #: | WOS:000707361200003 | Rights: | 2021 International Solar Energy Society. Published by Elsevier Ltd. All rights reserved. | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2022 |
Appears in Collections: | Research publications |
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1-s2.0-S0038092X21007982-main.pdf Restricted Access | Published version | 1 MB | Adobe PDF | View/Open Request a copy |
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