Second harmonic generation from Langmuir-Blodgett films of retinal and retinal Schiff bases

Jung Huang; Aaron Lewis; Th Rasing

doi:10.1021/j100318a012

Second harmonic generation from Langmuir-Blodgett films of retinal and retinal Schiff bases

Jung Huang
, Aaron Lewis^*
, Th Rasing

^*Corresponding author for this work

The Institute of Applied Physics

Research output: Contribution to journal › Article › peer-review

40 Scopus citations

Abstract

The second harmonic signal from monolayers of retinal and retinal Schiff bases is reported. The results have yielded information on the monolayer structure and demonstrate that retinal and retinal Schiff bases have large second-order molecular hyperpolarizabilities with values of 1.4 × 10^-28, 1.2 × 10^-28, and 2.3 × 10^-28 esu for retinal, the unprotonated Schiff base, and the protonated Schiff base, respectively. These values compare well with the known variation in the alteration in the dipole moment of such chromophores upon excitation.

Original language	English
Pages (from-to)	1756-1759
Number of pages	4
Journal	Journal of Physical Chemistry
Volume	92
Issue number	7
DOIs	https://doi.org/10.1021/j100318a012
State	Published - 1988

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abstract = "The second harmonic signal from monolayers of retinal and retinal Schiff bases is reported. The results have yielded information on the monolayer structure and demonstrate that retinal and retinal Schiff bases have large second-order molecular hyperpolarizabilities with values of 1.4 {\texttimes} 10-28, 1.2 {\texttimes} 10-28, and 2.3 {\texttimes} 10-28 esu for retinal, the unprotonated Schiff base, and the protonated Schiff base, respectively. These values compare well with the known variation in the alteration in the dipole moment of such chromophores upon excitation.",

author = "Jung Huang and Aaron Lewis and Th Rasing",

year = "1988",

doi = "10.1021/j100318a012",

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N2 - The second harmonic signal from monolayers of retinal and retinal Schiff bases is reported. The results have yielded information on the monolayer structure and demonstrate that retinal and retinal Schiff bases have large second-order molecular hyperpolarizabilities with values of 1.4 × 10-28, 1.2 × 10-28, and 2.3 × 10-28 esu for retinal, the unprotonated Schiff base, and the protonated Schiff base, respectively. These values compare well with the known variation in the alteration in the dipole moment of such chromophores upon excitation.

AB - The second harmonic signal from monolayers of retinal and retinal Schiff bases is reported. The results have yielded information on the monolayer structure and demonstrate that retinal and retinal Schiff bases have large second-order molecular hyperpolarizabilities with values of 1.4 × 10-28, 1.2 × 10-28, and 2.3 × 10-28 esu for retinal, the unprotonated Schiff base, and the protonated Schiff base, respectively. These values compare well with the known variation in the alteration in the dipole moment of such chromophores upon excitation.

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Second harmonic generation from Langmuir-Blodgett films of retinal and retinal Schiff bases

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