Stimulus-responsive organic room temperature phosphorescence materials based on host-guest doping systems

IF 4 2区化学 Q2 CHEMISTRY, PHYSICAL Journal of Molecular Structure Pub Date : 2025-02-27 DOI:10.1016/j.molstruc.2025.141897

Hua Feng , Wanjuan Gao , Dan Li , Zhongmin Su

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Abstract

Ultralong organic room temperature phosphorescence (RTP) materials are highly promising for various applications. Particularly, dynamic stimulus-responsive RTP materials are suitable for diverse cutting-edge technologies and meet practical needs, owing to the good reversibility, fast response and tunable luminescence ability. Host-guest doping systems provide a more competitive and promising strategy for the construction of stimulus-responsive RTP materials, because the characteristics of the host or guest and the intermolecular interactions between host and guest gives them dynamic reversible and stimulus-responsive property. In this review, we not only summarize recent progress of stimulus-responsive RTP materials based on host-guest doping systems, but also highlight the changes in intermolecular interaction, conformation, chemical structure and oxygen concentration playing the important role in corresponding stimulus-responsive RTP properties. Finally, the prospects and scientific challenges in this emergent field are discussed to provide helpful guidance for further development of advanced stimulus-responsive RTP materials based on host-guest systems.

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来源期刊

Journal of Molecular Structure 化学-物理化学

CiteScore

7.10

自引率

15.80%

发文量

2384

审稿时长

45 days

期刊介绍： The Journal of Molecular Structure is dedicated to the publication of full-length articles and review papers, providing important new structural information on all types of chemical species including: • Stable and unstable molecules in all types of environments (vapour, molecular beam, liquid, solution, liquid crystal, solid state, matrix-isolated, surface-absorbed etc.) • Chemical intermediates • Molecules in excited states • Biological molecules • Polymers. The methods used may include any combination of spectroscopic and non-spectroscopic techniques, for example: • Infrared spectroscopy (mid, far, near) • Raman spectroscopy and non-linear Raman methods (CARS, etc.) • Electronic absorption spectroscopy • Optical rotatory dispersion and circular dichroism • Fluorescence and phosphorescence techniques • Electron spectroscopies (PES, XPS), EXAFS, etc. • Microwave spectroscopy • Electron diffraction • NMR and ESR spectroscopies • Mössbauer spectroscopy • X-ray crystallography • Charge Density Analyses • Computational Studies (supplementing experimental methods) We encourage publications combining theoretical and experimental approaches. The structural insights gained by the studies should be correlated with the properties, activity and/ or reactivity of the molecule under investigation and the relevance of this molecule and its implications should be discussed.