Mi-Hsueh (Michelle) Wu, James Singh Konthoujam, Iris Lin, Tzu-Yu Peng, Yu-Jung Lu and Min-Hsiung Shih
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Carrier recombination manipulation for tunable multicolor emission in two-dimensional transition metal dichalcogenide light-emitting devices
We demonstrate a dual-colored light-emitting device using 2D semiconductors by modulating AC carrier injection through independent electrodes with phase delay, enabling balanced emission from WSe2 and WS2 monolayers. This innovative approach allows balanced, dynamically controllable, and spectrally stable emissions from WSe2 and WS2 monolayers, significantly enhancing emission control and expanding possibilities in advanced multicolor optoelectronic applications, including integrated photonic circuits and high-resolution display technologies.