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    Structural, Optical and Electrical Properties of CuIn0.7Ga0.3Se2 Ingot Prepared by Direct Melting

    CuIn0.7Ga0.3Se2 (CIGS) ingots were prepared by reaction of high-purity elements in stoichiometric proportions. The direct melting of elements was carried out using an original and low-cost process. The structural...

    S. Lahlali, M. Belaqziz, S. Amhil, L. Essaleh in Journal of Electronic Materials (2020)