可调色彩发射七边形嵌入多环芳香二羧酸二酰亚胺。
Color-tunable emissive heptagon-embedded polycyclic aromatic dicarboximides.
机构信息
Center of Excellence for Innovation in Chemistry (PERCH-CIC) and Department of Chemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand.
Department of Materials Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand.
出版信息
Chem Commun (Camb). 2022 Aug 23;58(68):9468-9471. doi: 10.1039/d2cc03461a.
Heptagon-embedded polycyclic aromatic dicarboximides were developed as new push-pull fluorescent dyes through palladium-catalysed [4+3] annulation followed by nucleophilic substitution. The introduction of a seven-membered ring in these push-pull systems can efficiently modulate the optical properties leading to an enhancement of the fluorescence quantum yields up to 0.93 with color tunable emission covering the visible-NIR spectrum.
七元环嵌入的多环芳香二酰亚胺作为新型推拉式荧光染料，通过钯催化的[4+3]环加成反应，再进行亲核取代反应来合成。在这些推拉体系中引入七元环可以有效地调节光学性质，从而使荧光量子产率提高至 0.93，发射颜色可调谐，涵盖可见-近红外光谱。
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