Nuggehalli M. Ravindra (Ravi) is a physics professor at NJIT, where he previously served as Chair of Physics and Director of the Materials Science & Engineering program. He is the founding editor-in-chief of Emerging Materials Research and has guest-edited journals such as Polymers Advanced Technologies, Journal of Electronic Materials, Metallurgical and Materials Transactions A, and JOM. Dr. Priyanka Singh has been associated with the National Physical Laboratory, New Delhi, India. She has previously worked as a Research Scientist, with N.M.Ravindra, at Department of Physics at New Jersey Institute of Technology (NJIT). She is a coauthor of more than 13 papers in the field of solar cells and Semiconductors.