Nature Communications (May 2016)

Giant photoluminescence enhancement in tungsten-diselenide–gold plasmonic hybrid structures

  • Zhuo Wang,
  • Zhaogang Dong,
  • Yinghong Gu,
  • Yung-Huang Chang,
  • Lei Zhang,
  • Lain-Jong Li,
  • Weijie Zhao,
  • Goki Eda,
  • Wenjing Zhang,
  • Gustavo Grinblat,
  • Stefan A. Maier,
  • Joel K. W. Yang,
  • Cheng-Wei Qiu,
  • Andrew T. S. Wee

DOI
https://doi.org/10.1038/ncomms11283
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 8

Abstract

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Two-dimensional materials have excellent electrical properties, but poor luminescence limits their application in optoelectronics. Here, the authors demonstrate a plasmon-induced 20,000-fold enhancement in photoluminescence from tungsten diselenide suspended across a nanometre-scale gap.