Tuning vibration-induced emission through macrocyclization and catenation

Xu, Wei-Tao; Peng, Zhiyong; Wu, Peicong; Jiang, Yefei; Li, Wei-Jian; Wang, Xu-Qing; Chen, Jinquan; Yang, Hai-Bo; Wang, Wei

doi:10.1039/d4sc00650j

Chem. Sci.

2024

DOI: 10.1039/d4sc00650j

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Tuning vibration-induced emission through macrocyclization and catenation

Wei-Tao Xu,

Zhiyong Peng,

Peicong Wu

et al.

Abstract: In order to investigate the effect of macrocyclization and catenation on the regulation of vibration-induced emission (VIE), the typical VIE luminogens 9,14-diphenyl-9,14-dihydrodibenzo[a, c]phenazine (DPAC) was introduced into the skeleton of...

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Cited by 3 publications

References 92 publications

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Multistate circularly polarized luminescence switches based on dual stimuli-responsive chiral [2]rotaxanes

Xu,

Li,

et al. 2024

Sci. China Chem.

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Multistate circularly polarized luminescence switches based on dual stimuli-responsive chiral [2]rotaxanes

Xu,

Li,

et al. 2024

Sci. China Chem.

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Advancing Dynamic Polymer Mechanochemistry through Synergetic Conformational Gearing

Ofodum,

Qi,

Chandradat

et al. 2024

J. Am. Chem. Soc.

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Harnessing mechanical force to modulate material properties and enhance biomechanical functions is essential for advancing smart materials and bioengineering. Polymer mechanochemistry provides an emerging toolkit for exploring unconventional chemical transformations and modulating molecular structures through mechanical force. One of the key challenges is developing innovative force-sensing mechanisms for precise and in situ force detection. This study introduces mDPAC, a dynamic and sensitive mechanophore, demonstrating its mechanochromic properties through synergetic conformational gearing. Its unique mechanoresponsive mechanism is based on the simultaneous conformational synergy between its phenazine and phenyl moieties, facilitated by a worm-gear-like structure. We confirm mDPAC's complex mechanochemical response and elucidate its mechanotransduction mechanism through our experimental data and comprehensive simulations. The compatibility of mDPAC with hydrogels is particularly notable, highlighting its potential for applications in aqueous biological environments as a dynamic force sensor. Moreover, mDPAC's multicolored mechanochromic responses facilitate direct force sensing and visual detection, paving the way for precise and real-time mechanical force sensing in bulk materials.

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Recent progress in novel luminescent materials based on mechanically interlocked molecules

Song,

Chen,

Wang

et al. 2024

Sci. Sin.-Chim

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Tuning vibration-induced emission through macrocyclization and catenation

Abstract: In order to investigate the effect of macrocyclization and catenation on the regulation of vibration-induced emission (VIE), the typical VIE luminogens 9,14-diphenyl-9,14-dihydrodibenzo[a, c]phenazine (DPAC) was introduced into the skeleton of...

Cited by 3 publications

References 92 publications

Multistate circularly polarized luminescence switches based on dual stimuli-responsive chiral [2]rotaxanes

Multistate circularly polarized luminescence switches based on dual stimuli-responsive chiral [2]rotaxanes

Advancing Dynamic Polymer Mechanochemistry through Synergetic Conformational Gearing

Recent progress in novel luminescent materials based on mechanically interlocked molecules

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