Engineering and Technology

Tuning the light emission of a Si micropillar quantum dot light-emitting device array with the strain coupling effect

Y. Mo, X. Feng, et al.

Explore the groundbreaking development of a Si-based quantum dot light-emitting device (QLED) array by Yepei Mo, Xiaolong Feng, Li Zhang, Renhou Han, Rongrong Bao, and Caofeng Pan. This innovative research uncovers how the strain coupling effect can wonderfully enhance electroluminescence, paving the way for advancements in electronic skin and human-machine interfaces.

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Abstract

This paper presents the design and fabrication of a Si-based quantum dot light-emitting device (QLED) array composed of p-Si micropillars. The researchers investigated the mechanism of strain coupling effect modulation on the electroluminescence performance of these Si-based QLEDs. The emission intensity is shown to depend on the injected current density, which can be modulated by the strain coupling effect. The integrated device demonstrates potential applications in electronic skin and human-machine interfaces due to its compatibility with the Si-based semiconductor industry.

Publisher

NPG Asia Materials

Published On

Authors

Yepei Mo, Xiaolong Feng, Li Zhang, Renhou Han, Rongrong Bao, Caofeng Pan

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