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Cholesteric‐Superhelix‐Enabled Reconfigurable Circularly Polarized Luminescence from Uniaxially Aligned Upconversion Nanorod Films (Laser Photonics Rev. 16(8)/2022)
Author(s) -
He Huilin,
Wang Jiawei,
Li Ke,
Cen Mengjia,
Cai Wenfeng,
Liu Jianxun,
Luo Dan,
Lu YanQing,
Liu Yan Jun
Publication year - 2022
Publication title -
laser and photonics reviews
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.778
H-Index - 116
eISSN - 1863-8899
pISSN - 1863-8880
DOI - 10.1002/lpor.202270039
Subject(s) - photon upconversion , materials science , nanorod , luminescence , optoelectronics , photonics , circular polarization , laser , optics , nanotechnology , physics , microstrip
Circularly Polarized Luminescence In article number 2200115 by Yan‐Qing Lu, Yan Jun Liu, and colleagues, a uniaxially‐aligned upconversion nanorods film is synergistically integrated with self‐organized cholesteric liquid crystals to achieve upconversion circularly polarized luminescence with an ultra‐high dissymmetry factor of 1.92. Such a composite material system shows bidirectional asymmetric emissions and polarizations with multi‐mode interchange between linear and circular polarizations, providing new opportunities for advanced applications in photonics and biological optoelectronics.