Journal
ACS NANO
Volume 13, Issue 3, Pages 2804-2811Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.8b08273
Keywords
upconverted circularly polarized luminescence; self-assembly; chiral host; upconversion nanoparticles; organogel; enantioselective photopolymerization
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Funding
- Ministry of Science and Technology of the People's Republic of China [2017YFA0206600, 2016YFA0203400]
- National Natural Science Foundation of China [21802027, 51673050]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB12020200]
- Key Research Program of Frontier Sciences, CAS [QYZDJ-SSW-SLH044]
- New Hundred-Talent Program research fund of the Chinese Academy of Sciences
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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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