4.8 Article

Ultrathin SnSe2 Flakes Grown by Chemical Vapor Deposition for High-Performance Photodetectors

Journal

ADVANCED MATERIALS
Volume 27, Issue 48, Pages 8035-8041

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201503873

Keywords

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Funding

  1. National Nature Science Foundation of China [21322106, 51472097, 21501060]
  2. Ministry of Science and Technology of China [2015CB932600]
  3. Program for New Century Excellent Talents in University [NCET-13-0227]
  4. National 1000 Young Talents Program of China
  5. International Center for Materials Nanoarchitectonics (MANA) of NIMS

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High-quality ultrathin single-crystalline SnSe2 flakes are synthesized under atmospheric-pressure chemical vapor deposition for the first time. A high-performance photodetector based on the individual SnSe2 flake demonstrates a high photoresponsivity of 1.1 x 10(3) A W-1, a high EQE of 2.61 x 10(5)%, and superb detectivity of 1.01 x 10(10) Jones, combined with fast rise and decay times of 14.5 and 8.1 ms, respectively.

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