Xu, P., Zhang, X., Shen, J., Zhao, X., He, W., & Li, D. (2015). Parallel experimental study of a novel super-thin thermal absorber based photovoltaic/thermal (PV/T) system against conventional photovoltaic (PV) system. Energy reports, 1, 30-35. https://doi.org/10.1016/j.egyr.2014.11.002