Push-pull molecules with a systematically extended π-conjugated system featuring 4,5-dicyanoimidazole
摘要:
Eighteen chromophores featuring 4,5-dicyanoimidazole as an acceptor moiety, a systematically enlarged pi-conjugated spacer and methoxy and N,N-dimethylamino groups as donors were synthesised and characterised by X-ray analysis, electrochemistry, UV-Vis and fluorescence spectroscopy whilst NLO properties were calculated Quantitative relationships between measured properties and structural features of the chromophores were also evaluated (C) 2009 Elsevier Ltd. All rights reserved
Eighteen chromophores featuring 4,5-dicyanoimidazole as an acceptor moiety, a systematically enlarged pi-conjugated spacer and methoxy and N,N-dimethylamino groups as donors were synthesised and characterised by X-ray analysis, electrochemistry, UV-Vis and fluorescence spectroscopy whilst NLO properties were calculated Quantitative relationships between measured properties and structural features of the chromophores were also evaluated (C) 2009 Elsevier Ltd. All rights reserved