Journal
TETRAHEDRON LETTERS
Volume 57, Issue 11, Pages 1256-1260Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2016.02.015
Keywords
Circularly polarized luminescence (CPL); AIE-active; Pyrene luminogen; Circular dichroism (CD); Luminescent dissymmetry factor (g(lum))
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Funding
- National Basic Research Program of China [2014CB648300]
- National Natural Science Foundation of China [21404059, 21422402]
- Natural Science Foundation of Jiangsu Province [BK20140867, BK20140060, BK20130037]
- Scientific Research Foundation of Nanjing University of Posts & Telecommunications [NY213100]
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The photoluminescence (PL) and circularly polarized luminescence (CPL) of ((R)-1-phenyl-N-(pyren-1-ylmethyl)-ethanamine) P-R were successfully modulated via fine-tuning and precise control of excited conformation of dimer/excimer by external stimuli. The resulting aggregation-induced emission (AIE)-active material (P-R) exhibited CPL with a low dissymmetry factor (similar to 10(-4)) in monomeric form, while demonstrating a prominent CPL signal with a higher dissymmetry factor (similar to 10(-3)) in thin solid films even without annealing processes. (C) 2016 Elsevier Ltd. All rights reserved.
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