A 4.4 % RF-sputtered Cu2ZnSnSe4 thin film solar cell was studied by transmittance electron microscopy (TEM) and photoluminescence (PL). The result reveals non-uniform elemental distribution and large potential fluctuation mainly induced by CuZn defect.
© 2013 OSA
S. Kuo, D. H. HSIEH, J. Yang, F. Lai, and H. Kuo, "Investigation of CuZn Point Defect on the Photovaltaic Performance of the RF-Sputtered Cu2ZnSnSe4-Based Thin Film Solar Cell," in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper CTh4J.5.
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