Two-photon-inducedFluorescence of 2,5-Bis(4-dimethylaminostyryl)pyrazine

doi:10.7517/j.issn.1674-0475.2015.04.315

Abstract

Abstract:

2,5-Bis(4-dimethylaminostyryl)pyrazinewith D-π-A-π-D symmetric structure is prepared and its two-photon-induced fluorescence is investigated using femto-second laser pulses. Strong two-photon induced fluorescence is detected in DMSO solution, and the largest two-photon absorption cross-section (σ =212 GM)is obtained at 820 nm.The quadratic dependence of the fluorescence on the excitation laser intensity confirms the two-photon process.

Key words: 2,5-bis(4-dimethylaminostyryl)pyrazine, two-photon-induced fluorescence, two-photon absorption, femtosecond laser

HAO Yongchao, CHEN Yi. Two-photon-inducedFluorescence of 2,5-Bis(4-dimethylaminostyryl)pyrazine[J]. Imaging Science and Photochemistry, 2015, 33(4): 315-320.

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