Operando X-ray and Mass Spectroscopy of Reduced Graphene Oxide (rGO)-Mediated Cobalt Catalysts for Boosting the Hydrogen Evolution Reaction oleh Carl Osby M. Mariano, Russell Hizon Clemente, Meng-Hsuan Tsai, Yi-Ying Chin, Jin-Ming Chen, Jyh-Fu Lee, Ying-Jui Lu, Chien-Ming Chen, Po-Tuan Chen, Cheng-Hao Chuang