Single-molecule electroluminescence(SMEL)confines light emission to a well-defined molecular junction,creating a unique platform for probing light-matter interactions at the ultimate spatial limit.This perspective arg...Single-molecule electroluminescence(SMEL)confines light emission to a well-defined molecular junction,creating a unique platform for probing light-matter interactions at the ultimate spatial limit.This perspective argues that four controllable levers—nanocavity plasmons,interface engineering,electric-field modulation,and molecular design—collectively govern the quantum efficiency,spectral characteristics,and excited-state dynamics of SMEL[1].This multifaceted control scheme opens up pathways to transformative technologies,including quantum light sources,single-molecule light-emitting diodes(LEDs),andprogrammable optoelectronic chips.展开更多
基金supported by the National Key R&D Program of China(2024YFA1208100,2021YFA1200102,2021YFA1200101,2023YFF1205803,and 2022YFE0128700)the National Natural Science Foundation of China(22173050 and 22595390)Beijing National Laboratory for Molecular Sciences(BNLMS-CXXM-202407).
文摘Single-molecule electroluminescence(SMEL)confines light emission to a well-defined molecular junction,creating a unique platform for probing light-matter interactions at the ultimate spatial limit.This perspective argues that four controllable levers—nanocavity plasmons,interface engineering,electric-field modulation,and molecular design—collectively govern the quantum efficiency,spectral characteristics,and excited-state dynamics of SMEL[1].This multifaceted control scheme opens up pathways to transformative technologies,including quantum light sources,single-molecule light-emitting diodes(LEDs),andprogrammable optoelectronic chips.