N ‐(3,5‐Di‐ tert ‐butylsalicylidene)‐4‐iodobenzene, a peculiar case of a nonlinear optical photoswitch | Zendy

Spangenberg Arnaud | Zendy; Sliwa Michel | Zendy; Métivier Rémi | Zendy; Dagnélie Romain | Zendy; Brosseau Arnaud | Zendy; Nakatani Keitaro | Zendy; Pansu Robert | Zendy; Malfant Isabelle | Zendy

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N ‐(3,5‐Di‐ tert ‐butylsalicylidene)‐4‐iodobenzene, a peculiar case of a nonlinear optical photoswitch

Author(s) -

Spangenberg Arnaud,

Sliwa Michel,

Métivier Rémi,

Dagnélie Romain,

Brosseau Arnaud,

Nakatani Keitaro,

Pansu Robert,

Malfant Isabelle

Publication year - 2007

Publication title -

journal of physical organic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.325

H-Index - 66

eISSN - 1099-1395

pISSN - 0894-3230

DOI - 10.1002/poc.1237

Subject(s) - chemistry , photoswitch , second harmonic generation , crystallite , tautomer , photochromism , iodobenzene , enol , nonlinear optics , crystallography , optics , photochemistry , stereochemistry , laser , organic chemistry , physics , catalysis

N ‐(3,5‐Di‐ tert ‐butylsalicylidene)‐4‐iodobenzene ( 1 ) is photochromic in the solid state, owing to its ability to yield enol–keto tautomerism. Despite its centrosymmetric structure (P2 1 /c), polycrystalline thin films of 1 show second harmonic generation (SHG). Moreover, this SHG can be reversibly switched by light. Investigations using confocal microscopy showed that a morphology change occurs when the fundamental beam of a Ti:sapphire (990 nm, 1.3 ps) is focused on the material, yielding an SHG‐active solid. Copyright © 2007 John Wiley & Sons, Ltd.

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