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Combination of Cyanine Behaviour and Giant Hyperpolarisability in Novel Merocyanine Dyes: Beyond the Bond Length Alternation (BLA) Paradigm
Author(s) -
Parthasarathy Venkatakrishnan,
Pandey Ravindra,
Stolte Matthias,
Ghosh Sampa,
Castet Frédéric,
Würthner Frank,
Das Puspendu Kumar,
BlanchardDesce Mireille
Publication year - 2015
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201501800
Subject(s) - cyanine , merocyanine , alternation (linguistics) , chemistry , photochemistry , materials science , fluorescence , optics , photochromism , physics , philosophy , linguistics
Merocyanine dyes that exhibit antithetic cyanine‐like behaviour and giant first‐order hyperpolarisability ( β ) values have been designed. These cyanine‐type dyes open up an intriguing route towards molecular‐based electro‐optic materials as well as new second‐harmonic generation dyes for imaging.