Novel NLO-phores with proaromatic donor and acceptor groups

被引:60
作者
Andreu, R [1 ]
Garín, J
Orduna, J
Alcalá, R
Villacampa, B
机构
[1] Univ Zaragoza, ICMA, Dept Quim Organ, CSIC, E-50009 Zaragoza, Spain
[2] Univ Zaragoza, ICMA, Dept Fis Mat Condensada, CSIC, E-50009 Zaragoza, Spain
关键词
D O I
10.1021/ol0352005
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Novel D-pi-A NLO-phores based on the 1,3-dithiol-2-ylidene donor and the thiobarbituric acceptor moieties have been prepared. Modification of the length and rigidity of the pi-spacer allows the first systematic study of the second-order nonlinear optical properties of doubly proaromatic merocyanines. The pi-electron donor efficiency of the 1,3-dithiol-2-ylidene group is superior to that of the tetrathiafulvalenyl group.
引用
收藏
页码:3143 / 3146
页数:4
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