期刊
JOURNAL OF PHYSICAL CHEMISTRY B
卷 109, 期 9, 页码 3800-3806出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp045322u
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ySecond order nonlinear optical properties of a series of trinitrosubphthalocyanine (SubPc) isomers were studied experimentally by electric field induced second harmonic (EFISH) generation and hyper Rayleigh scattering (HRS). These experimental values were compared to the ones obtained theoretically employing both sum over states (SOS) and finite field (FF) methods. From these studies, it was shown that the dipolar contributions to the beta tensor are very much dependent on the substitution pattern at the periphery of the subphthalocyanine macrocycle, whereas the octupolar contributions remain mostly unchanged. Consequently, it was deduced that SubPc is extremely well Suited for the decoupling of octupolar and dipolar contribution to the NLO response.
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