A general strategy for self-healing elastomers with ultralong room-temperature phosphorescence†

IF 10.7 2区 材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Nan Li, Shiyu Gu, Qi Wu and Jinrong Wu
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引用次数: 0

Abstract

Integration of room-temperature phosphorescence (RTP) into elastic matrices with persistent segment motions to build RTP elastomers is a trend for future flexible sensors and stretchable optics, which remains a critical challenge. Here, we present a general approach to creating self-healing phosphorescent elastomers (HPEs) via dynamic B–O bonds, which ensure that various commercial phosphors achieve ultralong RTP in silicone rubber systems. The resulting HPEs exhibit remarkable RTP lifetimes (up to 2.679 s) under ambient conditions, surpassing all previously reported RTP elastomers. Notably, this general method affords HPE films with uniform RTP performance across areas ranging from 1 × 1 cm2 to 45 × 50 cm2, and even larger sizes. With the assistance of self-healing properties, HPEs can be easily structurally transformed from 2D to 3D models (e.g., plate film to Möbius ring). The HPEs have potential applications in multi-patterned displays and time-dependent encryption, and this work provides a general and scalable solution for the production of long-lived RTP elastomers.

Abstract Image

具有超长室温磷光的自愈弹性体的一般策略。
将室温磷光(RTP)集成到具有持续片段运动的弹性矩阵中以构建RTP弹性体是未来柔性传感器和可拉伸光学的一个趋势,这仍然是一个关键的挑战。在这里,我们提出了一种通过动态B-O键创建自修复磷光弹性体(HPEs)的一般方法,这确保了各种商业荧光粉在硅橡胶系统中实现超长RTP。所得到的hpe在环境条件下表现出显著的RTP寿命(高达2.679秒),超过了之前报道的所有RTP弹性体。值得注意的是,这种通用方法提供了在从1 × 1 cm2到45 × 50 cm2,甚至更大尺寸范围内具有均匀RTP性能的HPE薄膜。在自愈特性的帮助下,hpe可以很容易地从2D结构转换为3D模型(例如,板膜到Möbius环)。hpe在多模式显示和时间相关加密方面有潜在的应用,这项工作为生产长寿命RTP弹性体提供了一种通用的、可扩展的解决方案。
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来源期刊
Materials Horizons
Materials Horizons CHEMISTRY, MULTIDISCIPLINARY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
18.90
自引率
2.30%
发文量
306
审稿时长
1.3 months
期刊介绍: Materials Horizons is a leading journal in materials science that focuses on publishing exceptionally high-quality and innovative research. The journal prioritizes original research that introduces new concepts or ways of thinking, rather than solely reporting technological advancements. However, groundbreaking articles featuring record-breaking material performance may also be published. To be considered for publication, the work must be of significant interest to our community-spanning readership. Starting from 2021, all articles published in Materials Horizons will be indexed in MEDLINE©. The journal publishes various types of articles, including Communications, Reviews, Opinion pieces, Focus articles, and Comments. It serves as a core journal for researchers from academia, government, and industry across all areas of materials research. Materials Horizons is a Transformative Journal and compliant with Plan S. It has an impact factor of 13.3 and is indexed in MEDLINE.
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