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Theoretical Design of Substituted Tetrathia‐[7]‐Helicenes with Large Second‐Order Nonlinear Optical Responses
Author(s) -
Champagne Benoît,
André JeanMarie,
Botek Edith,
Licandro Emanuela,
Maiorana Stefano,
Bossi Alberto,
Clays Koen,
Persoons André
Publication year - 2004
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200400225
Subject(s) - helicene , nonlinear optical , order (exchange) , nonlinear system , chemistry , acceptor , nonlinear optics , computational chemistry , chemical physics , molecule , physics , condensed matter physics , organic chemistry , quantum mechanics , finance , economics
Increasing response: Semiempirical calculations show that substituting tetrathia‐[7]‐helicene in positions 7 and 8 (see graphic) as well as in positions 2 and 13 by adequate donor/acceptor pairs can lead to a substantial increase of the second‐order nonlinear optical response.