硫化铟铜量子点实现了 (E)- 氮苯发色团的定量可见光光异构化。

IF 5.8 3区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY Nanoscale Pub Date : 2024-06-24 DOI:10.1039/D4NR01997K

Zakaria Ziani, Caterina Bellatreccia, Filippo Piero Battaglia, Giacomo Morselli, Alessandro Gradone, Paola Ceroni and Marco Villa

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引用次数: 0

摘要

长期以来，人们一直在研究偶氮苯衍生物的光致变色特性。该领域最大的挑战之一是在可见光照射下定量实现（E）到（Z）的光电转换。在这项工作中，报告了偶氮苯单元附着的 CuInS2 量子点（CIS-QDs）的合成和表征：通过可见光（例如，λex = 533 纳米）可实现定量（E）→（Z）异构化。有趣的是，催化量的 CIS-QD 可以利用可见光将未接枝的 (E) 偶氮苯衍生物完全光转化为相应的 (Z) 异构体。这种奇特的行为与 (Z) 异构体在 QD 表面的直接复合有关。

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Copper indium sulfide quantum dots enabling quantitative visible light photoisomerisation of (E)-azobenzene chromophores†

Azobenzene derivatives have long been studied for their photochromic behaviour. One of the greatest challenges in this field is the quantitative (E) to (Z) photoconversion triggered by visible light irradiation. In this work, the synthesis and characterization of CuInS₂ quantum dots (CIS-QDs) appended with azobenzene units are reported: quantitative (E) → (Z) isomerisation is obtained by visible light (e.g., λ_ex = 533 nm). Interestingly, catalytic amounts of CIS-QDs allow the full photoconversion of ungrafted (E)-azobenzene derivatives into the corresponding (Z)-isomers using visible light. This peculiar behaviour is associated with the direct complexation of the (Z)-isomer on the QD surface.

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来源期刊

Nanoscale CHEMISTRY, MULTIDISCIPLINARY-NANOSCIENCE & NANOTECHNOLOGY

CiteScore

12.10

自引率

3.00%

发文量

1628

审稿时长

1.6 months

期刊介绍： Nanoscale is a high-impact international journal, publishing high-quality research across nanoscience and nanotechnology. Nanoscale publishes a full mix of research articles on experimental and theoretical work, including reviews, communications, and full papers.Highly interdisciplinary, this journal appeals to scientists, researchers and professionals interested in nanoscience and nanotechnology, quantum materials and quantum technology, including the areas of physics, chemistry, biology, medicine, materials, energy/environment, information technology, detection science, healthcare and drug discovery, and electronics.