Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, 230026, China.
Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, CAS, Shanghai, 201210, China.
Division of Theoretical and Computational Sciences, Hefei National Laboratory for Physical Sciences at Microscale, CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, 230026, China.
National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230026, China.
A strategy that narrows the interlayer distance of cobalt diselenide (CoSe2) is reported, which enables strong coupling between CoSe2 monolayers. The strongly coupled CoSe2 can catalyze electrosynthesis of H2O2 in acidic media efficiently, which yields Faradaic efficiency of 96.7 %, current density of 50.04 mA cm−2, and product rate of 30.60 mg cm−2 h−1, outperforming all catalysts reported previously in acidic environments.
中文翻译：
强耦合二硒化钴单层在酸性条件下选择性电催化氧还原为 H2O2
报告了一种缩小二硒化钴 (CoSe 2 )层间距的策略，该策略可实现 CoSe 2单层之间的强耦合。强耦合的CoSe 2可以有效地催化酸性介质中H 2 O 2 的电合成，其法拉第效率为96.7 %，电流密度为50.04 mA cm -2，产率为30.60 mg cm -2 h -1，优于所有先前报道的酸性环境中的催化剂。
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