Quantitative nanoscale temperature mapping across the multi-quantum well of a light-emitting diode in operation using vacuum null-point scanning thermal microscopy to evaluate local energy conversion efficiency

Author:

Shin Hwijong1,Liu Seosi1,Kwon Ohmyoung1ORCID

Affiliation:

1. School of Mechanical Engineering, Korea University, Seoul 136-701, South Korea

Abstract

Temperature was quantitatively measured despite intense local light from MQW using VNP SThM. Temperature peak across the MQW shifts with change in injection current. VNP SThM can analyze local energy conversion efficiency of nanophotonic devices.

Funder

Ministry of Education, Science and Technology

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

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