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Abstract <p>The ground and excited states of A- and B-excitons in monolayers of MoSe<sub>2</sub> and WSe<sub>2</sub> were studied by optical reflectance spectroscopy over a wide range of temperatures up to room temperature. It was shown that excited states are observed in the spectrum even at room temperature. Depending on the selected parameters of the heterostructure, the B-exciton line may be comparable in intensity to the A-exciton line.</p>

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Excited States of Excitons in Monolayers of Transition Metal Dichalcogenides in Reflectance Spectra up to Room Temperature

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • A. S. Brichkin,
  • G. M. Golyshkov,
  • A. V. Chernenko,
  • V. E. Bisti

摘要

Abstract

The ground and excited states of A- and B-excitons in monolayers of MoSe2 and WSe2 were studied by optical reflectance spectroscopy over a wide range of temperatures up to room temperature. It was shown that excited states are observed in the spectrum even at room temperature. Depending on the selected parameters of the heterostructure, the B-exciton line may be comparable in intensity to the A-exciton line.