Electrospinning scalable and multicolor nanofibers with controlled organic excimers/exciplexes for flexible displays

IF 4.1 3区工程技术 Q2 CHEMISTRY, APPLIED

Dyes and Pigments Pub Date : 2025-01-03 DOI:10.1016/j.dyepig.2025.112632

Hai-Tao Jiang , Yuan-Yuan Li , Bin Wu , Lin-Feng Gu , Yi-Yi Ju , Yang-Biao Xue , Mi Zheng , Guo-Liang Zhang , Min Zheng , Zuo-Shan Wang , Ming-Peng Zhuo

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引用次数: 0

Abstract

Nanofibers exhibiting high fluorescence quantum yield, superior flexibility, and uniform luminescence are of significant interest in both fundamental scientific research and practical applications, particularly within the realms of fluorescent sensors, intelligent displays, and illumination technologies. Nevertheless, achieving a cost-effective and scalable synthesis of fluorescent nanofibers with tunable emission properties remains a significant challenge, primarily due to the intricate design considerations associated with the encapsulation of emitters within nanofiber matrices. Herein, we originally presented the scalable multi-color fluorescent nanofibers by encapsulating excimers or exciplexes into polymers through a facile electrostatic spinning process. The excimer/exciplex degree by finely modulating π-π/charge transfer (CT) interactions could realize the controlled red-shift emission toward multi-color emissions ranging from 450 to 657 nm. Impressively, white emissive nanofibers with a Commission Internationale de l'Eclairage (CIE) of (0.333, 0.349) and temperature-responsive fluorescent nanofibers were successfully prepared via precisely adjusting the ratio of excimer/exciplex aggregations. These fluorescent nanofibers demonstrate excellent flexibility, enduring cyclic tensile for more than 10 times at a rate of 20 mm/min. This work provides valuable insights into the large-area fabrication of multi-color fluorescent nanofibers and the advancement of wearable display technologies.

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来源期刊

Dyes and Pigments 工程技术-材料科学：纺织

CiteScore

8.20

自引率

13.30%

发文量

933

审稿时长

33 days

期刊介绍： Dyes and Pigments covers the scientific and technical aspects of the chemistry and physics of dyes, pigments and their intermediates. Emphasis is placed on the properties of the colouring matters themselves rather than on their applications or the system in which they may be applied. Thus the journal accepts research and review papers on the synthesis of dyes, pigments and intermediates, their physical or chemical properties, e.g. spectroscopic, surface, solution or solid state characteristics, the physical aspects of their preparation, e.g. precipitation, nucleation and growth, crystal formation, liquid crystalline characteristics, their photochemical, ecological or biological properties and the relationship between colour and chemical constitution. However, papers are considered which deal with the more fundamental aspects of colourant application and of the interactions of colourants with substrates or media. The journal will interest a wide variety of workers in a range of disciplines whose work involves dyes, pigments and their intermediates, and provides a platform for investigators with common interests but diverse fields of activity such as cosmetics, reprographics, dye and pigment synthesis, medical research, polymers, etc.