磷光
材料科学
光化学
化学工程
化学
纳米技术
荧光
光学
物理
工程类
作者
Guiying Zhu,Chaozheng Liu,Changli Zhang,Jiangtao Shi,Changtong Mei,Mingzhu Pan,Zhipeng Liu
出处
期刊:ACS Sustainable Chemistry & Engineering
[American Chemical Society]
日期:2024-02-21
标识
DOI:10.1021/acssuschemeng.3c07507
摘要
Achieving room-temperature phosphorescence (RTP) relies heavily on stabilizing the triplet states of organic phosphors through the confinement effect. However, the development of efficient confinement templates with adjustable cavity sizes, environmental friendliness, and ease of processing remains an immense challenge. Herein, we present the exploration of delignified wood (DW) as a confinement template to successfully achieve the RTP of organic dyes. Our findings demonstrate that encapsulating organic dyes within the adjustable nanopores of DW enables the generation of their RTP. Mechanistic investigations revealed that the DW matrix plays a crucial role in stabilizing the triplet state of organic dyes through effective nanospace confinement, hydrogen-bonding interactions, and efficient shielding against moisture and oxygen. Notably, the wood-based RTP composites exhibit exceptional processability, facilitating the precise fabrication of data security and encryption devices by using three-dimensional (3D) printing technology. This research establishes fundamental design principles and versatile strategies for developing environmentally friendly and sustainable organic RTP materials.
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