Twist-angle-controlled neutral exciton annihilation in WS2 homostructures.
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DOI: 10.1039/d2nr00195k
Abstract: Exciton-exciton annihilation (EEA), as typical nonradiative recombination, plays an unpopular role in semiconductors. The nonradiative process significantly reduces the quantum yield of photoluminescence, which substantially inhibits the maximum efficiency of optoelectronic devices. Recently, laser irradiation,… read more here.
Keywords: ws2 homostructures; twist angle; exciton annihilation; angle ... See more keywords