Synthesis and photophysical study of novel 3-triazinyl- and 3-pyridinyl-substituted coumarins

IF 4.2 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Optical Materials Pub Date : 2024-11-22 DOI:10.1016/j.optmat.2024.116471

Anastasia P. Potapova , Olga S. Taniya , Maria I. Valieva , Igor A. Khalymbadzha , Ainur D. Sharapov , Ekaterina S. Starnovskaya , Dmitry S. Kopchuk , Vasiliy S. Gaviko , Alexander S. Novikov , Alexey A. Kalinichev , Ramil F. Fatykhov

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Abstract

A series of 3-triazinyl- and 3-pyridinyl-coumarin dyes were designed, synthesized and studied in terms of linear and nonlinear optical properties as well as charge transfer. The triazine- and pyridine-containing fluorophores were emitted green and blue light in the visible region of the spectrum, respectively, with high quantum yields. Two-photon fluorescence properties were measurement and 4b showed high two-photon absorption cross-section value (δ_2PA = 285.5 GM). The dyes exhibited second-order NLO properties with static hyperpolarizability β₀ in the range of 43–78 × 10⁻³⁰ esu. Photophysical studies supported DFT calculations showed that the push-pull fluorophores 3g-j generated photoinduced intramolecular charge transfer states. Obtained experimental and theoretical data strongly suggests that these novel coumarin dyes are promising candidates for cell imaging.

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新型 3-三嗪基和 3-吡啶基取代香豆素的合成与光物理研究

我们设计、合成并研究了一系列 3-三嗪基和 3-吡啶基香豆素染料的线性和非线性光学特性以及电荷转移。含有三嗪基和吡啶基的荧光团分别在光谱的可见光区发出绿光和蓝光，且量子产率很高。通过测量双光子荧光特性，4b 显示出较高的双光子吸收截面值（δ2PA = 285.5 GM）。这些染料具有二阶 NLO 特性，其静态超极化率 β0 的范围为 43-78 × 10-30 esu。支持 DFT 计算的光物理研究表明，推拉荧光团 3g-j 产生了光诱导的分子内电荷转移态。所获得的实验和理论数据有力地表明，这些新型香豆素染料有望用于细胞成像。

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来源期刊

Optical Materials 工程技术-材料科学：综合

CiteScore

6.60

自引率

12.80%

发文量

1265

审稿时长

38 days

期刊介绍： Optical Materials has an open access mirror journal Optical Materials: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. The purpose of Optical Materials is to provide a means of communication and technology transfer between researchers who are interested in materials for potential device applications. The journal publishes original papers and review articles on the design, synthesis, characterisation and applications of optical materials. OPTICAL MATERIALS focuses on: • Optical Properties of Material Systems; • The Materials Aspects of Optical Phenomena; • The Materials Aspects of Devices and Applications. Authors can submit separate research elements describing their data to Data in Brief and methods to Methods X.