Change of electric dipole moment in charge transfer transitions of ferrocene oligomers studied by ultrafast two-photon absorption

被引：0

作者：

Mikhaylov, Alexander ^{[1
]}

Arias, Eduardo ^{[2
]}

Moggio, Ivana ^{[2
]}

Ziolo, Ronald ^{[2
]}

Uudsemaa, Merle ^{[3
]}

Trummal, Aleksander ^{[3
]}

Cooper, Thomas ^{[4
]}

Rebane, Aleksander ^{[1
,3
]}

机构：

[1] Montana State Univ, Dept Phys, Bozeman, MT 59717 USA

[2] CIQA, Saltillo, Coahuila, Mexico

[3] NICPB, Tallinn, Estonia

[4] US Air Force, Res Lab, Washington, DC 20330 USA

来源：

ORGANIC PHOTONIC MATERIALS AND DEVICES XIX | 2017年 / 10101卷

关键词：

two-photon absorption; ferrocene-phenyleneethynylene; charge transfer in organometallic complexes; ultrafast spectroscopy; SPECTROSCOPY; PHOTOCHEMISTRY; STANDARDS;

D O I：

10.1117/12.2249773

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Change of permanent electric dipole moment in the lower-energy charge transfer transitions for a series of symmetrical and non-symmetrical ferrocene-phenyleneethynylene oligomers were studied by measuring the corresponding femtosecond two-photon absorption cross section spectra, and were determined to be in the range Delta mu = 3 - 10 D. Quantum-chemical calculations of Delta mu for the non-symmetrical oligomers show good quantitative agreement with the experimental results, thus validating two-photon absorption spectroscopy as a viable experimental approach to study electrostatic properties of organometallics and other charge transfer systems.

引用

页数：9

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