Inside Cover: Metallic Single-Unit-Cell Orthorhombic Cobalt Diselenide Atomic Layers: Robust Water-Electrolysis Catalysts (Angew. Chem. Int. Ed. 41/2015)
Liang Liang
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
These authors contributed equally to this work.
Search for more papers by this authorDr. Hao Cheng
National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029 (P.R. China)
These authors contributed equally to this work.
Search for more papers by this authorFengcai Lei
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorDr. Jun Han
Paul Scherrer Institut, 5232 Villigen PSI (Switzerland)
Search for more papers by this authorShan Gao
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorDr. Chengming Wang
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorCorresponding Author
Prof. Yongfu Sun
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Yongfu Sun, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Shiqiang Wei, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029 (P.R. China)
Yi Xie, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorShaista Qamar
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorCorresponding Author
Prof. Shiqiang Wei
National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029 (P.R. China)
Yongfu Sun, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Shiqiang Wei, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029 (P.R. China)
Yi Xie, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorCorresponding Author
Prof. Yi Xie
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Yongfu Sun, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Shiqiang Wei, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029 (P.R. China)
Yi Xie, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorLiang Liang
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
These authors contributed equally to this work.
Search for more papers by this authorDr. Hao Cheng
National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029 (P.R. China)
These authors contributed equally to this work.
Search for more papers by this authorFengcai Lei
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorDr. Jun Han
Paul Scherrer Institut, 5232 Villigen PSI (Switzerland)
Search for more papers by this authorShan Gao
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorDr. Chengming Wang
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorCorresponding Author
Prof. Yongfu Sun
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Yongfu Sun, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Shiqiang Wei, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029 (P.R. China)
Yi Xie, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorShaista Qamar
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorCorresponding Author
Prof. Shiqiang Wei
National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029 (P.R. China)
Yongfu Sun, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Shiqiang Wei, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029 (P.R. China)
Yi Xie, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorCorresponding Author
Prof. Yi Xie
Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Yongfu Sun, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Shiqiang Wei, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029 (P.R. China)
Yi Xie, Hefei National Laboratory for Physical Sciences at Microscale, Collaborative Innovation Center of Chemistry for Energy Materials, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
Search for more papers by this authorGraphical Abstract
Single-unit-cell orthorhombic CoSe2 sheets are prepared by thermally exfoliating a lamellar CoSe2–DETA hybrid. As shown by Y. Sun, S. Wei, Y. Xie et al. in their Communication on page 12004 ff., the single-unit-cell thickness means that 66.7 % of the Co2+ ions are exposed on the surface and are low coordinate (coordination numbers of 1.3 and 2.6), leading to a lower Tafel slope (64 mV dec−1) and a higher turnover frequency (745 h−1) in water splitting.
