Single-component compounds with wide-range color-tunable ultralong organic phosphorescence

Sun, Weitao; Dai, Xiujuan J.; Ge, Hong You; Meng, Xiangchao; Duan, Guiyun; Ge, Yanqing

doi:10.1039/d3tc02426a

J. Mater. Chem. C

2023

DOI: 10.1039/d3tc02426a

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Single-component compounds with wide-range color-tunable ultralong organic phosphorescence

Weitao Sun

Xiujuan J. Dai

Hong You Ge

et al.

Abstract: Colorful phosphorescence or afterglow is of great theoretical interest and practical value while the exploitation of new types of color-tunable ultralong organic phosphorescence (UOP) in a single-component molecule remains challenging....

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2024

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Cited by 3 publications

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Triarylmethanol Derivatives with Ultralong Organic Room‐Temperature Phosphorescence

Li,

Duan,

Zhu

et al. 2024

Chemistry A European J

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Triphenylmethyl‐based compounds such as rhodamines and fluoresceine representing an old and well‐known class of triphenylmethane dyes, are widely used in fluorescent labeling of bioimaging. Inspired by ultralong room temperature phosphorescence of triphenylphosphine derivatives, herein we report a methoxy substituted triarylmethanol ((4‐methoxyphenyl)diphenylmethanol, LJW‐1) exhibits ultralong room temperature phosphorescence (RTP) under ambient condition with afterglows of about 7 seconds. Its multiple C‐H···π intermolecular interactions, C‐H···O intermolecular interactions, hydrogen bond and π‐π interactions are beneficial for forming rigid environment in the aggregated state which is evidently an important factor in the appearance of excellent RTP. Different substituents on triarylmethanol result in compounds with different lifetimes varying from 7 µs to 818 ms. The substituent effects on the phosphorescence of triarylmethanol derivatives provide an efficient method for the design of organic RTP materials and may be enlightening the phosphorescence research of triarylmethanol derivatives.

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Triarylmethanol Derivatives with Ultralong Organic Room‐Temperature Phosphorescence

Li,

Duan,

Zhu

et al. 2024

Chemistry A European J

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Scalable fabrication of red Room-Temperature phosphorescent materials through molecular doping strategy for versatile applications

Shi,

Zhou,

Wang

et al. 2024

Chemical Engineering Journal

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Wide-Range Excitation-Dependent Phosphorescence of Coordination Polymers Exhibiting Dynamic Anticounterfeiting, White-Light Emission, and Antibacterial Performance

Fu,

Zhang,

Ren

et al. 2024

Inorg. Chem.

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Multicolor-tunable room-temperature phosphorescence (RTP) is attracting wide attention in optoelectronic applications. Here, we propose a coordination-oriented assembly approach to achieve wide-range RTP with a benzimidazole derivative (2,7-diazabenzimidazole, DZBIM) as a luminogen. These two compounds exhibit unexpected excitation-responsive RTP emission, and the phosphorescence emission nearly covers the entire visible region with the change of the excitation wavelength from 360 to 620 nm. To the best of our knowledge, this is the first report of coordination polymers with such a full-color-tunable RTP. Compound 1 also shows white-light emission upon excitation at 280 nm. Experimental and theoretical results demonstrate that multiple intermolecular interactions and emission centers from different aggregates are responsible for the generation of multicolor emission. The white-light emission and multiple anticounterfeiting are explored. Besides, compound 1 exhibits high antibacterial activity benefiting from efficient 1 O 2 generation. This work provides an efficient way to prepare a color-tunable RTP.

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Single-component compounds with wide-range color-tunable ultralong organic phosphorescence

Abstract: Colorful phosphorescence or afterglow is of great theoretical interest and practical value while the exploitation of new types of color-tunable ultralong organic phosphorescence (UOP) in a single-component molecule remains challenging....

Cited by 3 publications

References 45 publications

Triarylmethanol Derivatives with Ultralong Organic Room‐Temperature Phosphorescence

Triarylmethanol Derivatives with Ultralong Organic Room‐Temperature Phosphorescence

Scalable fabrication of red Room-Temperature phosphorescent materials through molecular doping strategy for versatile applications

Wide-Range Excitation-Dependent Phosphorescence of Coordination Polymers Exhibiting Dynamic Anticounterfeiting, White-Light Emission, and Antibacterial Performance

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