4.8 Article

Temperature-Mediated Selective Growth of MoS2/WS2 and WS2/MoS2 Vertical Stacks on Au Foils for Direct Photocatalytic Applications

Journal

ADVANCED MATERIALS
Volume 28, Issue 48, Pages 10664-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201603174

Keywords

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Funding

  1. National Natural Science Foundation of China [51472008, 51290272, 21201012, 51121091, 51072004, 51201069, 51522212, 51421002, 51472080]
  2. National Basic Research Program of China [2012CB921404, 2012CB933404, 2013CB932603, 2014CB921002]
  3. Beijing Municipal Science and Technology Planning Project [Z151100003315013]
  4. Strategic Priority Research Program of Chinese Academy of Sciences [XDB07030200]
  5. State Key Laboratory of Low-Dimensional Quantum Physics [KF201411]

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Contents A growth-temperature-mediated two-step chemical vapor deposition strategy is designed to synthesize MoS2/WS2 and WS2/MoS2 stacks on Au foils. Predominantly A-A stacked MoS2/WS2 and A-B stacked WS2/MoS2 are selectively achieved and confirmed. Relative enhancements or reductions in photocatalytic activities of MoS2/WS2 or WS2/MoS2 are observed under illumination, because the type-II band alignment enables directional electron flow from electrode to active site.

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