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Intriguing Second‐Order NLO Switches Based on New DTE Compounds
Author(s) -
Boixel Julien,
Colombo Alessia,
Fagnani Francesco,
Matozzo Paola,
Dragonetti Claudia
Publication year - 2022
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/ejic.202200034
Subject(s) - photochromism , chemistry , moiety , dichloromethane , second harmonic generation , platinum , combinatorial chemistry , photonics , nonlinear optical , nanotechnology , photochemistry , optoelectronics , stereochemistry , nonlinear system , organic chemistry , optics , laser , physics , materials science , solvent , catalysis , quantum mechanics
Two new photochromic compounds bearing a dithienylethene unit have been designed, synthesized, and well characterized. The first contains a platinum dialkynyl moiety whereas the second bears a simple phenyl‐dimethylamino fragment. Both compounds have demonstrated an excellent photochromic behavior. This efficient photochromism is the springboard for a significant photomodulation of the second‐order nonlinear optical properties, determined in dichloromethane solution by means of the Electric Field Induced Second Harmonic generation technique. The results are of interest for the design of reversible NLO switches as a tool for emerging photonic technologies.