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Jinhui Wang§, Haifeng Zhu§, Sihui Tang, Ming Li, Yaping Zhang, Wei Xing, Qingzong Xue, Lianqing Yu*, Sandwich structure MoO2/MoS2/TiO2 photocatalyst for superb hydrogen evolution, Journal of Alloys and Compounds. 2020, 842, 155869