Journal of Photochemistry and Photobiology A: Chemistry 355 (2018) 467–478 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal homepa ge: www.elsev ier.com/locate/jphotochem Invited paper Fluorescence quenching of sterically-graded pyrene molecules by N,N- dialkylanilines. Exciplexes or locally excited states? a b c c Michael J. Bertocchi , Xian-Fu Zhang , Alankriti Bajpai , Jarugu N. Moorthy , a, Richard G. Weiss Department of Chemistry and Institute for Soft Matter Synthesis and Metrology, Georgetown University, Washington, DC 20057-1227, USA Chemistry Department and Center of Instrumental Analysis, Hebei Normal University of Science and Technology, Qinhuangdao, Hebei Province, 066004, China Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208 016, India A R T I C L E I N F O A B S T R A C T Article history: Received 16 May 2017 Quenching of the excited singlet states of two tetra-arylpyrenes, 1,3,6,8-tetrakis(4-methoxy-2,6- Received in revised form 24 June 2017 dimethylphenyl)pyrene (PyOMe) and 1,3,6,8-tetraphenylpyrene (TPPy), by a series of N,N-dialkylanilines Accepted 25 June 2017 has been investigated by both steady-state and time-resolved ﬂuorescence measurements, and the Available online 27 June 2017 results are compared with those from the quenching of ﬂuorescence from pyrene. Speciﬁcally,
Journal of Photochemistry and Photobiology A: Chemistry – Elsevier
Published: Mar 15, 2018
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