Issue 7, 2021

Microsphere-coupled light emission control of van der Waals heterostructures

Abstract

Two-dimensional transition metal dichalcogenides (TMDCs) integrated into photonic structures provide an intriguing playground for the development of novel optoelectronic devices with improved performance. Here, we show the enhanced light emission from TMDC based van der Waals heterostructures through coupling with microsphere cavities. We observe cavity-induced emission enhancement of TMDC materials which varies by an order of magnitude, depending on the size of the microsphere and thickness of the supporting oxide substrate. Furthermore, we demonstrate microsphere cavity-enhanced electroluminescence of a van der Waals light emitting transistor, showing the potential of 2D material based hybrid optoelectronic structures.

Graphical abstract: Microsphere-coupled light emission control of van der Waals heterostructures

Supplementary files

Article information

Article type
Paper
Submitted
09 Sep 2020
Accepted
23 Jan 2021
First published
25 Jan 2021

Nanoscale, 2021,13, 4262-4268

Microsphere-coupled light emission control of van der Waals heterostructures

H. Lee, V. T. Nguyen, J. Park and J. Lee, Nanoscale, 2021, 13, 4262 DOI: 10.1039/D0NR06510B

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