Optoelectronic property correlation with structure and valence band spectra for Fe-doped Zn2SnO4-nanostructured films. - Arora, Isha; Ghorui, Chandan; Natarajan, Vanasundaram; Singh, Harkawal; Sharma, Praveen Kumar; Chaudhary, Anil Kumar; Sathiaraj, T. Stephen (Journal of Materials Science: Materials in Electronics, 2023)