Effect of Hydrogen Gas on Titanium Dioxide using Heterostructure H2-TiO2: An ab-initio StudyTara Prasad, Budigi Prabhakar, A. Geetha Bhavani, Tanveer Ahmad Wani and Ravi Shanker AhujaE3S Web Conf., 511 (2024) 01027DOI: https://doi.org/10.1051/e3sconf/202451101027