Journal of Photochemistry and Photobiology A: Chemistry 355 (2018) 444–450 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal home page : www.elsevier.com/locat e/jphotochem Invited paper Pt Pt and p–p interactions-induced pleated polymeric foldamers Lan Chen, Hui Wang, Dan-Wei Zhang*, Yaming Zhou, Zhan-Ting Li* Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Fudan University, Shanghai 200433, China A R T I C L E I N F O A B S T R A C T Article history: Two phenylethynylplatinum(II) terpyridine (PEPtTPY)-derived polymers PtP1 and PtP2 have been Received 22 May 2017 Received in revised form 30 June 2017 prepared from the coupling reactions of two PEPtTPY-incorporated dialdehydes and an oligo(ethylene Accepted 3 July 2017 glycol)-derived diacylhydrazine which form hydrazone bonds quantitatively. Phosphorescence and Available online 8 July 2017 absorption studies revealed that in binary MeCN and DMSO the PEPtTPY units of both polymers undergo intramolecular Pt Pt interaction and p–p stacking to induce the backbones of the polymers to form Keywords: pleated conformations. Adding LiClO or NaClO further stabilizes the two polymeric pleated foldamers 4 4 Foldamer by electrostatically
Journal of Photochemistry and Photobiology A: Chemistry – Elsevier
Published: Mar 15, 2018
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