Optically Active Upconverting Nanoparticles with Induced Circularly Polarized Luminescence and Enantioselectively Triggered Photopolymerization

In this work, lanthanide-doped upconversion nanoparticles (UCNPs) showing upconverted circularly polarized luminescence were demonstrated in an organic–inorganic co-assembled system. Achiral UCNPs (NaYF4:Yb/Er or NaYF4:Yb/Tm) can be encapsulated into chiral helical nanotubes through the procedure of...

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Bibliographic Details
Published inACS nano Vol. 13; no. 3; pp. 2804 - 2811
Main Authors Jin, Xue, Sang, Yutao, Shi, Yonghong, Li, Yuangang, Zhu, Xuefeng, Duan, Pengfei, Liu, Minghua
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 26.03.2019
Subjects
upconverted circularly polarized luminescence
self-assembly
upconversion nanoparticles
organogel
chiral host
enantioselective photopolymerization
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Summary:In this work, lanthanide-doped upconversion nanoparticles (UCNPs) showing upconverted circularly polarized luminescence were demonstrated in an organic–inorganic co-assembled system. Achiral UCNPs (NaYF4:Yb/Er or NaYF4:Yb/Tm) can be encapsulated into chiral helical nanotubes through the procedure of co-gelation. These co-gel systems display intense upconverted circularly polarized luminescence (UC-CPL) ranging from ultraviolet (UV, 300 nm) to near-infrared (NIR, 850 nm) wavelength. In addition, the UV part of UC-CPL can be used to initiate the enantioselective polymerization of diacetylene.
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ISSN:1936-0851
1936-086X
DOI:10.1021/acsnano.8b08273