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Freestanding Tin Disulfide Single-Layers Realizing Efficient Visible-Light Water Splitting

Authors

  • Dr. Yongfu Sun,

    1. Hefei National Laboratory for Physical Sciences at Microscale, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
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  • Hao Cheng,

    1. National Synchrotron Radiation Laboratory, University of Science & Technology of China, Hefei, Anhui 230029 (P.R. China)
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  • Shan Gao,

    1. Hefei National Laboratory for Physical Sciences at Microscale, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
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  • Dr. Zhihu Sun,

    1. National Synchrotron Radiation Laboratory, University of Science & Technology of China, Hefei, Anhui 230029 (P.R. China)
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  • Dr. Qinghua Liu,

    1. National Synchrotron Radiation Laboratory, University of Science & Technology of China, Hefei, Anhui 230029 (P.R. China)
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  • Qin Liu,

    1. National Synchrotron Radiation Laboratory, University of Science & Technology of China, Hefei, Anhui 230029 (P.R. China)
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  • Fengcai Lei,

    1. Hefei National Laboratory for Physical Sciences at Microscale, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
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  • Dr. Tao Yao,

    1. National Synchrotron Radiation Laboratory, University of Science & Technology of China, Hefei, Anhui 230029 (P.R. China)
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  • Dr. Jingfu He,

    1. National Synchrotron Radiation Laboratory, University of Science & Technology of China, Hefei, Anhui 230029 (P.R. China)
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  • Prof. Shiqiang Wei,

    Corresponding author
    1. National Synchrotron Radiation Laboratory, University of Science & Technology of China, Hefei, Anhui 230029 (P.R. China)
    • National Synchrotron Radiation Laboratory, University of Science & Technology of China, Hefei, Anhui 230029 (P.R. China)
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  • Prof. Yi Xie

    Corresponding author
    1. Hefei National Laboratory for Physical Sciences at Microscale, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
    • Hefei National Laboratory for Physical Sciences at Microscale, University of Science & Technology of China, Hefei, Anhui 230026 (P.R. China)
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  • This work was financially supported by the National Basic Research Program of China (grant number 2009CB939901) and the National Nature Science Foundation (grant numbers 11079004, 10979047, 90922016, and 11135008).

Abstract

original image

Manipulation auf atomarer Ebene: Drei Atome dicke Zinndisulfid-Einzelschichten wurden durch Abblättern hergestellt (siehe Bild). Die SnS2-Schichten haben eine größere Zustandsdichte an der Valenzbandkante. Eine Photoelektrode aus diesem Material erreicht bei der Umwandlung von sichtbarem Licht einen Wirkungsgrad von 38.7 %, der höher ist als die meisten veröffentlichten Werte.

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