Investigating SnOx/Graphene Oxide heterostructure for methane sensing and its application as a tunable light absorber for optoelectronic devices - Manoj Kumar; Purnendu Shekhar Pandey; M. Sudhakara Reddy; Anita Gehlot; Santosh Kumar Choudhary; Gyanendra Kumar Singh; Balkeshwar Singh (PLoS ONE, 2025)