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Dipolar and Non‐Dipolar Pyridine and Bipyridine Metal Complexes for Nonlinear Optics
Author(s) -
Le Bozec Hubert,
Renouard Thierry
Publication year - 2000
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/(sici)1099-0682(200002)2000:2<229::aid-ejic229>3.0.co;2-a
Subject(s) - chromophore , chemistry , pyridine , bipyridine , dipole , nonlinear optical , nonlinear optics , chemical physics , charge (physics) , metal , combinatorial chemistry , photochemistry , nonlinear system , nanotechnology , crystallography , organic chemistry , physics , crystal structure , materials science , quantum mechanics
Metal complexes of pyridine and bipyridine‐type ligands represent an important class of nonlinear optical (NLO) materials: (i) They can incorporate a variety of functionalised ligands with a wide range of metals which can give rise to tuneable NLO properties; (ii) they are generally associated with intense low‐lying charge‐transfer excitations such as metal to ligand charge‐transfer (MLCT) or intraligand charge‐transfer (ILCT); (iii) bipyridyl ligands are also good building blocks that allow the construction of octupolar complexes with a defined geometry and symmetry. This review describes the recent developments in the design of such dipolar and octupolar chromophores for second‐order nonlinear optics.