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Heterobimetallic Cluster‐Based Coordination Polymers: Assembly, Structures and Third‐Order Nonlinear Optical Properties
Author(s) -
Cao Chen,
Bao ShuJin,
Tang XiaoYan,
Xu ZeMing,
Ni ChunYan,
Lang JianPing
Publication year - 2021
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.202100698
Subject(s) - propane , cluster (spacecraft) , topology (electrical circuits) , coordination polymer , polymer , chemistry , nonlinear optical , materials science , crystallography , polymer chemistry , nonlinear system , organic chemistry , physics , computer science , mathematics , combinatorics , programming language , quantum mechanics
Reactions of (NH 4 ) 2 WS 4 with CuCN, CuCN/1,2‐bis(4‐pyridyl)propane (bppa) or [Cu(MeCN) 4 ]PF 6 /bppa under different reaction conditions afforded a set of two‐ or three‐dimensional W/Cu/S cluster‐based coordination polymers including {[Et 4 N] 2 [WS 4 Cu 4 ( μ ‐CN) 2 ( μ ‐I) 2 ]} n ( 1 ), [WS 4 Cu 4 ( μ ‐CN) 2 (bppa) 2 ] n ( 2 ) and {[WS 4 Cu 4 (bppa) 4 ](PF 6 ) 2 } n ( 3 ), respectively. Compound 2 can be readily formed from reaction of 1 with bppa under solvothermal conditions. Compounds 1 and 2 feature two‐dimensional networks with a “sql” topology, while 3 possesses a two‐fold interpenetrated three‐dimensional net with a rare “reo ” topology. Compounds 1 – 3 in DMF exhibited different third‐order nonlinear optical responses, and they all showed a reverse saturable absorption while 2 held a strong self‐focusing effect.