Effect of Different Photovoltaic Materials on Energetic and Exergetic Performance of Photovoltaic Thermal ArraysC.S. Rajoria, Pankaj Kumar Gupta, Sanjay Agrawal, G.N. Tiwari and D. SinghMATEC Web Conf., 95 (2017) 01006DOI: https://doi.org/10.1051/matecconf/20179501006