Dual-channel mechano-phosphorescence:a combined locking effect with twisted molecular structures and robust interactionsOACSTPCD
Dual-channel mechano-phosphorescence:a combined locking effect with twisted molecular structures and robust interactions
Organic mechanoluminescence materials,featuring dual emission and ultralong phosphorescence characteristics,exhibit significant potential for applications in real-time stress sensing,pressure-sensitive lighting,advanced security marking techniques,and material breakage monitoring.However,due to immature molecular design strategies and unclear luminescence mechanisms,these materials remain rarely reported.In this study,we propose a valuable molecular design strategy to achieve dual-channel mechano-phosphorescence.By introducing the arylphosphine oxide group into a highly twisted molecular framework,enhanced intra-and intermolecular interactions could be achieved within rigid structures,leading to dual-channel mechanoluminescence with greatly promoted ultralong phosphorescence.Further investigations reveal the substantial boosting effect of intra-and intermolecular interactions on mechanoluminescence and ultralong phosphorescence properties by locking the highly twisted molecular skeleton.This work provides a concise and guiding route to develop novel smart responsive luminescence materials for widespread applications in material science.
Zongliang Xie;Zhu Mao;Hailan Wang;Yuxin Xiao;Xiayu Zhang;Tao Yu;Zhongfu An;Wei Huang
Frontiers Science Center for Flexible Electronics,Xi'an Institute of Flexible Electronics & Xi'an Institute of Biomedical Materials and Engineering,Northwestern Polytechnical University,127 West Youyi Road,Xi'an 710072,China||Research & Development Institute of Northwestern Polytechnical University in Shenzhen,Shenzhen 518100,ChinaShenzhen Institutes of Advanced Electronic Materials,Shenzhen 518100,ChinaFrontiers Science Center for Flexible Electronics,Xi'an Institute of Flexible Electronics & Xi'an Institute of Biomedical Materials and Engineering,Northwestern Polytechnical University,127 West Youyi Road,Xi'an 710072,ChinaKey Laboratory of Flexible Electronics & Institute of Advanced Materials,Nanjing Tech University,30 South Puzhu Road,Nanjing 211816,ChinaFrontiers Science Center for Flexible Electronics,Xi'an Institute of Flexible Electronics & Xi'an Institute of Biomedical Materials and Engineering,Northwestern Polytechnical University,127 West Youyi Road,Xi'an 710072,China||Key Laboratory of Flexible Electronics & Institute of Advanced Materials,Nanjing Tech University,30 South Puzhu Road,Nanjing 211816,China
《光：科学与应用（英文版）》 2024 (004)
738-746 / 9
The authors gratefully acknowledge the financial support from the NSF of China(62275217,52103230),Natural Science Basic Research Program of Shaanxi(2024JC-JCQN-51),Guangdong Basic and Applied Basic Research Foundation(2020A1515110603,2021A1515010633),and support from China Aerospace Science and Industry Corporation(2020Z073053007).
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