双光子激发下各向异性介质中发光分子的光选择。第二部分。拉伸聚乙烯醇薄膜中Hoechst 33342的实验研究。

IF 1.8 4区物理与天体物理 Q4 CHEMISTRY, PHYSICAL

Zeitschrift Fur Naturforschung Section A-A Journal of Physical Sciences Pub Date : 2016-01-01 Epub Date: 2014-06-02 DOI:10.1515/zna-1996-0910

A Kawski, Z Gryczyński, I Gryczyński, J R Lakowicz, G Piszczek

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引用次数: 2

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本文章由计算机程序翻译，如有差异，请以英文原文为准。

Photoselection of Luminescent Molecules in Anisotropic Media in the Case of Two-Photon Excitation. Part II. Experimental Studies of Hoechst 33342 in Stretched Poly(vinyl alcohol) Films.

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Photoselection of Luminescent Molecules in Anisotropic Media in the Case of Two-Photon Excitation. Part II. Experimental Studies of Hoechst 33342 in Stretched Poly(vinyl alcohol) Films.

Abstract It was found by investigating dichroism and emission anisotropy in the case of one-and two-photon excitation of Hoechst 33342 [bis-benzimide,2,5'-bi-1H-benzimidazole, 2'-(4-ethoxyphenyl)-5-5(4-methyl-1-piperazinyl)] in stretched poly(vinyl alcohol) (PVA) films, that the absorption and fluorescence transition moments lie along the long molecular axis of the molecule studied. The slight deviation of the transition moment direction in fluorescence (about 8°) from that in absorption can be due to the incomplete linearity of the Hoechst molecule.

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来源期刊

Zeitschrift Fur Naturforschung Section A-A Journal of Physical Sciences 物理-物理：综合

CiteScore

3.00

自引率

5.60%

发文量

审稿时长

3.3 months

期刊介绍： A Journal of Physical Sciences: Zeitschrift für Naturforschung A (ZNA) is an international scientific journal which publishes original research papers from all areas of experimental and theoretical physics. Authors are encouraged to pay particular attention to a clear exposition of their respective subject, addressing a wide readership. In accordance with the name of our journal, which means “Journal for Natural Sciences”, manuscripts submitted to ZNA should have a tangible connection to actual physical phenomena. In particular, we welcome experiment-oriented contributions.