二苯基乙烯基取代的二酮吡咯异构体对堆叠和发光的影响

IF 4.6 3区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
RSC Advances Pub Date : 2025-07-08 DOI:10.1039/D5RA03935E
Ruixin Wang, Puxi Yang, Huizhi Chen, Songming Lan, Haoyu Li, Wei Fan, Guangpeng Gao and Xiaofang Li
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引用次数: 0

摘要

合成了两种不同构型的新型二苯基乙烯基取代二酮吡咯衍生物,线性型R-4DPs和S型R-2DPs,并对其结构、光学和电化学性能进行了表征。单晶x射线衍射分析证实,二苯基的不同位置显著影响了分子在固态中的平面度、共轭和π -π堆积。含4-二苯基化合物的层间距约为3.30-3.40 Å。这些分子在可见光区(350-680 nm)表现出很强的吸收,并在溶液中发出洋红色荧光,而4-二苯基取代衍生物(R-4DPs)由于与线性和刚性构型的增强共轭作用而表现出更强的吸收和红移。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Effects of diphenyl-vinyl-substituted diketopyrrolopyrrole isomers on stacking and luminescence†

Effects of diphenyl-vinyl-substituted diketopyrrolopyrrole isomers on stacking and luminescence†

Two kinds of novel diphenyl-vinyl-substituted diketopyrrolopyrrole derivatives with different configurations, linear shaped R-4DPs vs. S shaped R-2DPs, were synthesized and characterized to explore their structural, optical, and electrochemical properties. The distinct placement of diphenyl significantly affected molecular planarity, conjugation and π–π stacking in the solid state, as confirmed by single-crystal X-ray diffraction analysis. The layer spacing of compounds with 4-diphenyl were approximately 3.30–3.40 Å. These molecules exhibited strong absorption in the visible region (350–680 nm) and emitted magenta fluorescence in solution, whereas 4-diphenyl-substituted derivatives (R-4DPs) displayed more intense absorption and redshift attributed to enhanced conjugation with linear and rigid configuration.

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来源期刊
RSC Advances
RSC Advances chemical sciences-
CiteScore
7.50
自引率
2.60%
发文量
3116
审稿时长
1.6 months
期刊介绍: An international, peer-reviewed journal covering all of the chemical sciences, including multidisciplinary and emerging areas. RSC Advances is a gold open access journal allowing researchers free access to research articles, and offering an affordable open access publishing option for authors around the world.
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