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Highly Stretchable and Fast Self-Healing Luminescent Materials.

Jing Yang1, Zhihao Zhang1, Yaqian Yan1

  • 1National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Guangrong Dao 8, Hongqiao District, Tianjin 300130, P. R. China.

ACS Applied Materials & Interfaces
|February 25, 2020
PubMed
Summary

Researchers developed new color-tunable luminescent materials using lanthanide ions and terpyridine ligands. These materials exhibit remarkable stretchability and rapid self-healing, paving the way for advanced optical devices and wearable electronics.

Keywords:
highly stretchablelanthanideluminescent materialsself-healable conductorsself-healing

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Area of Science:

  • Materials Science
  • Optoelectronics
  • Polymer Chemistry

Background:

  • Developing multifunctional luminescent materials with self-healing and mechanical properties is challenging.
  • Lanthanide ions (Ln3+) and terpyridine ligands offer potential for advanced material design.
  • Existing materials often lack the combination of tunable luminescence, stretchability, and rapid self-healing.

Purpose of the Study:

  • To create color-tunable luminescent materials with enhanced mechanical properties and self-healing capabilities.
  • To explore the use of lanthanide ions and terpyridine ligand coordination complexes for these applications.
  • To investigate the potential of these materials in optical devices and wearable electronics.

Main Methods:

  • Synthesized color-tunable luminescent materials incorporating lanthanide ions (Ln3+) and terpyridine ligand coordination complexes.
  • Investigated material properties including luminescence (visible and near-infrared), stretchability, and self-healing under ambient conditions.
  • Utilized the 'antenna effect' for energy transfer from terpyridine to Ln3+ to achieve tunable emission.

Main Results:

  • Achieved color-tunable luminescence, including visible and near-infrared emission, through energy transfer via the antenna effect.
  • Demonstrated highly stretchable and rapid self-healing properties in the developed materials.
  • Confirmed that the self-healing process is robust, unaffected by surface aging and atmospheric moisture.

Conclusions:

  • The developed lanthanide ion and terpyridine-based materials exhibit promising multifunctionality, combining tunable luminescence with superior mechanical and self-healing characteristics.
  • These materials represent a significant advancement for applications in optical devices, display technologies, and next-generation wearable electronics.
  • The dynamic Ln-N coordination is key to achieving extreme stretchability and rapid, robust self-healing.