Nature Communications (Jan 2017)

Slow cooling and efficient extraction of C-exciton hot carriers in MoS2 monolayer

  • Lei Wang,
  • Zhuo Wang,
  • Hai-Yu Wang,
  • Gustavo Grinblat,
  • Yu-Li Huang,
  • Dan Wang,
  • Xiao-Hui Ye,
  • Xian-Bin Li,
  • Qiaoliang Bao,
  • AndrewThye-Shen Wee,
  • Stefan A Maier,
  • Qi-Dai Chen,
  • Min-Lin Zhong,
  • Cheng-Wei Qiu,
  • Hong-Bo Sun

DOI
https://doi.org/10.1038/ncomms13906
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 8

Abstract

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Light-matter interaction in atomically thin transition metal dichalcogenides is dominated by excitonic effects and hot-carrier relaxation/extraction mechanisms. Here, the authors report that the C exciton in two-dimensional MoS2exhibits a slower hot-carrier cooling than band-edge excitons.