Enhancing supercapacitor, photovoltaic and magnetic properties of SnO2 nanoparticles doped with Cu and Zn ions - Dar, Mohd Arif; Neelamegan, Haridharan; Priyadharshini, V J; Ahamed, S Rafi; Arularasan, P; Mishra, Madhulika; Rather, Aafaq A. (Bulletin of Materials Science: Published by the Indian Academy of Sciences, 2024)