scholarly journals Theoretical Study of Effect of the Number of N,N-dimethyl-4-nitroaniline Units in Novel “Parallel Connection” Chromophores on Its Nonlinear Optical Properties

2012 ◽  
Vol 2012 ◽  
pp. 1-8 ◽  
Author(s):  
Chao-Zhi Zhang ◽  
Hui Cao ◽  
Zhao-Bing Guo

Design of “parallel connection” chromophores could give a way of acquiring effective chromophores. The semiempirical method ZINDO was employed to study relationship between static first hyperpolarizabilities of “parallel connection” chromophores and the number of parallel nonconjugated N,N-dimethyl-4-nitroaniline (DMNA) units in the chromophore. The results show that the chromophore containing three parallel non-conjugated DMNA units exhibits the highest static first hyperpolarizability, which is 1.8 times that of chromophore DMNA. However, static first hyperpolarizabilities of the chromophores containing four or five DMNA units are very small. The absorption maximum wavelength (λmax) of “parallel connection” chromophores is remarkably shorter (34.9 nm–38.1 nm) than that of 1DMNA. Therefore, the “parallel connection” chromophore containing three DMNA units would be an effective chromophore with a large first hyperpolarizability and a good optical transparency. It could give a useful suggestion for designing effective chromophores containing parallel non-conjugated D-π-A units.

2019 ◽  
Vol 7 (42) ◽  
pp. 13052-13058 ◽  
Author(s):  
Nana Ma ◽  
Mingyue Lv ◽  
Tongxin Liu ◽  
Mengxiao Song ◽  
Yan Liu ◽  
...  

The theoretical calculations show that [60]fullerene-fused dihydrocarboline derivatives exhibit significant first hyperpolarizability contrasts induced by their electrochemical feature.


Author(s):  
Jean Custodio ◽  
Giulio Demetrius Creazo d'Oliveira ◽  
Fernando Gotardo ◽  
Leandro Cocca ◽  
Leonardo De Boni ◽  
...  

In the following study, a combined experimental and theoretical study of the nonlinear optical properties (NLO) of two chalcone derivatives, (E)-3-(2-methoxyphenyl)-1-(2-(phenylsulfonylamine)phenyl)prop-2-en-1-one (MPSP) and (E)-3-(3-nitrophenyl)-1-(2-(phenylsulfonylamine)phenyl)prop-2-en-1-one (NPSP) in DMSO is reported. Single...


1994 ◽  
Author(s):  
Z. Shuai ◽  
J.M. Toussaint ◽  
J.L. Bredas ◽  
A. Saxena ◽  
A.R. Bishop

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