Analysis on the Performance of Copper Indium Gallium Selenide (CIGS) Based Photovoltaic ThermalAfzam Zulkepli, Lim Wei Yong, Mohd Yusof Taib, Zafri Azran and Firdaus BasrawiMATEC Web of Conferences, 38 (2016) 02004DOI: https://doi.org/10.1051/matecconf/20163802004