Near-infrared anti-Stokes photoluminescence of PbS QDs embedded in glasses | Zendy

Yuda Xiong | Zendy; Chao Liu | Zendy; Jing Wang | Zendy; Jianjun Han | Zendy; Xiujian Zhao | Zendy

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Near-infrared anti-Stokes photoluminescence of PbS QDs embedded in glasses

Author(s) -

Yuda Xiong,

Chao Liu,

Jing Wang,

Jianjun Han,

Xiujian Zhao

Publication year - 2017

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.25.006874

Subject(s) - photoluminescence , materials science , infrared , optoelectronics , optics , excitation , near infrared spectroscopy , physics , quantum mechanics

Near-infrared photoluminescence properties of PbS QDs embedded in glasses were investigated upon below-bandgap excitation. PbS QDs were precipitated in the glasses upon thermal treatment. Near-infrared anti-Stokes photoluminescence (ASPL) from PbS QDs was observed. Dependence of the ASPL on size and excitation power indicated that ASPL was phonon-assisted one-photon process. These near-infrared anti-Stokes photoluminescence of PbS QDs in glasses have potential applications for light conversion and laser cooling.

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