静态纺丝介孔二氧化硅包覆铯硼溴蓝纤维：合成与荧光特性

IF 5.5 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Nanoscale Research Letters Pub Date : 2024-11-12 DOI:10.1186/s11671-024-04145-y

Shengnan Li, Yanrui Yang, Jiahao Song, Xianglin Meng, Cuibing Bai, Biao Wei, Fei Ma, Lin Zhang

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引用次数: 0

摘要

蓝色 CsPbBr3 量子点具有出色的特性，因此在全彩显示和照明应用中大有可为。本研究使用极性溶剂乙腈对 CsPbBr3 量子点进行后处理，使其蓝移至 453 纳米。为了提高稳定性，这些量子点被封装在介孔二氧化硅的孔隙结构中。以聚（乳酸）（PLA）为基底制备了一种柔性发光纤维材料，该材料具有更好的疏水性和稳定的光学特性。该材料的接触角为 99.7°，在室温下 30 天后仍能保持 82.2% 的荧光强度。这些发现凸显了该材料在光学应用方面的巨大潜力。

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Static-spun mesoporous silica-coated CsPbBr3 blue fibres: synthesis and fluorescence properties

Due to their excellent properties, blue CsPbBr₃ quantum dots show great promise for full-colour display and lighting applications. This study used acetonitrile, a polar solvent, to post-treat CsPbBr₃ quantum dots, resulting in a blue shift to 453 nm. To enhance stability, these quantum dots were encapsulated within the pore structure of mesoporous silica. A flexible luminescent fiber material was prepared using poly (lactic acid) (PLA) as the substrate, demonstrating improved hydrophobicity and stable optical properties. The material exhibited a contact angle of 99.7° and maintained 82.2% of its fluorescence intensity after 30 days at room temperature. These findings highlight its significant potential for optical applications.

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来源期刊

Nanoscale Research Letters 工程技术-材料科学：综合

CiteScore

11.30

自引率

0.00%

发文量

110

审稿时长

48 days

期刊介绍： Nanoscale Research Letters (NRL) provides an interdisciplinary forum for communication of scientific and technological advances in the creation and use of objects at the nanometer scale. NRL is the first nanotechnology journal from a major publisher to be published with Open Access.