Near-infrared bandgap Cd-rich Pb x Cd 1-x S quantum dot with record long exciton lifetime

Zhi Li Teh,Robert Patterson,Stefan W. Tabernig,Abhinav S. Sharma,Shujuan Huang

2021 IEEE 48TH PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC)（2021）

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摘要

PbS/CdS core-shell quantum dots (QD) with diameters of 0.35 Cd 0.65 S alloyed core-shell QD through cation exchange with a record long exciton lifetime of 3.8 µs and much-improved PLQY.

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关键词

alloyed quantum dot, lead sulfide, cadmium sulfide, cation exchange, core-shell

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