Dual-channel mechano-phosphorescence: a combined locking effect with twisted molecular structures and robust interactions

Zongliang Xie; Zhu Mao; Hailan Wang; Yuxin Xiao; Xiayu Zhang; Tao Yu; Zhongfu An; Wei Huang

doi:10.1038/s41377-024-01421-5

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Dual-channel mechano-phosphorescence: a combined locking effect with twisted molecular structures and robust interactions

Article

- Dual-channel mechano-phosphorescence: a combined locking effect with twisted molecular structures and robust interactions
- Light: Science & Applications Vol. 13, Issue 4, Pages: 738-746(2024)
- Affiliations：
- Author bio：
  
  fiamtyu@nwpu.edu.cn
  giamzfan@njtech.edu.cn
  hvc@nwpu.edu.cn
- Funds：
- DOI：10.1038/s41377-024-01421-5
  CLC：
- Received：22 November 2023，
  
  Revised：28 February 2024，
  
  Accepted：2024-03-11，
  
  Published Online：08 April 2024，
  
  Published：2024-12
- Accepted：
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Zongliang Xie, Zhu Mao, Hailan Wang, et al. Dual-channel mechano-phosphorescence: a combined locking effect with twisted molecular structures and robust interactions[J]. Light: science & applications, 2024, 13(4): 738-746.
DOI：

Zongliang Xie, Zhu Mao, Hailan Wang, et al. Dual-channel mechano-phosphorescence: a combined locking effect with twisted molecular structures and robust interactions[J]. Light: science & applications, 2024, 13(4): 738-746. DOI： 10.1038/s41377-024-01421-5.

摘要

Abstract

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.

Dual-channel mechano-phosphorescence

characterized by dual emission and ultralong organic phosphorescence

was achieved by strengthening the intra- and intermolecular interactions in the highly twisted structures to realize a combined locking effect.

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references

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