Journal of Photochemistry and Photobiology A: Chemistry 355 (2018) 226–232 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal home page : www.elsevier.com/locat e/jphotochem Invited paper Contribution of excited state absorption to optical limiting properties in multi-branched structures a,c b a, Liuheng Wang , Yishi Wu , Yuxia Zhao Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China Graduate University of Chinese Academy of Sciences, Beijing, 100049, PR China A R T I C L E I N F O A B S T R A C T Article history: Received 25 July 2017 A series of multi-branched compounds D1–D3 combining a triphenylamine core with one, two or three Received in revised form 29 August 2017 benzylidene cyclopentylidene malononitrile branches, respectively, were synthesized. The linear Accepted 11 September 2017 photophysical property, photochemical stability, thermal stability, and nonlinear absorption under Available online 12 September 2017 1064 nm pulsed lasers with pulse durations in both nanosecond and femtosecond regimes of D1–D3 were investigated. The results showed that the main optical limiting mechanism of D1–D3
Journal of Photochemistry and Photobiology A: Chemistry – Elsevier
Published: Mar 15, 2018
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