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Dynamic Organic Phosphorescence Glass by Rigid-Soft Coupling.

Meng Zhang1, Xiaohui Lan1, Meijuan Ding1

  • 1School of Flexible Electronics (Future Technologies) and Institute of Advanced Materials (IAM), Nanjing Tech University (Nanjing Tech), Nanjing, 211816, China.

Angewandte Chemie (International Ed. in English)
|September 20, 2024
PubMed
Summary

Researchers developed a novel rigid-soft coupling design for organic phosphors, creating phosphorescence glass with enhanced properties. This material exhibits dynamic phosphorescence, high-temperature performance, and patternability for advanced applications.

Keywords:
Dynamic phosphorescenceOrganic phosphorescence glassPhotoactivationPhotolithographic patterningRigid-soft coupling

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Area of Science:

  • Materials Science
  • Organic Chemistry
  • Photophysics

Background:

  • Organic phosphorescence glass offers excellent shaping and photophysical properties.
  • Facile construction of single-component phosphors for phosphorescence glass remains a challenge.

Purpose of the Study:

  • To develop a facile method for constructing organic phosphorescence glass.
  • To enhance the photophysical behavior, particularly room-temperature phosphorescence (RTP), of organic phosphors.
  • To explore the potential for patterning and high-temperature applications of the synthesized phosphorescence glass.

Main Methods:

  • A rigid-soft coupling design was implemented in organic phosphors (ICO, CCO, PCO).
  • Phosphorescence glasses were prepared using a melting-quenching method.
  • Photolithography was employed for direct patterning under UV irradiation.

Main Results:

  • The rigid-soft coupling design facilitated the preparation of phosphorescence glasses with excellent shaping ability and dynamic phosphorescence.
  • Room-temperature phosphorescence (RTP) performance was significantly enhanced in the dense-structure glass.
  • Intriguing high-temperature phosphorescence (HTP) was observed up to 400 K, and high-quality, erasable afterglow patterns were created via photolithography.

Conclusions:

  • The rigid-soft conformation strategy provides a promising route for efficient RTP glass fabrication.
  • The developed phosphorescence glass exhibits excellent thermal stability and patterning capabilities.
  • This work opens avenues for wide application prospects in advanced optical materials and devices.