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Self-strengthen luminescent hydrogel.

Daqing Yang1, Wenyu Zhang1, Tiyun Zhu2

  • 1College of Chemistry and Materials Science, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, Hebei University, Baoding 071002, China.

Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
|March 8, 2023
PubMed
Summary
This summary is machine-generated.

This study introduces self-growing double-network (DN) hydrogels that strengthen under mechanical load. This innovation enables luminescent soft materials with enhanced fatigue resistance through mechanoradical polymerization.

Keywords:
Double-networkHydrogelLanthanideLuminescenceSelf-strengthen

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Soft Matter Physics

Background:

  • Typical synthetic materials degrade under mechanical stress due to their closed nature.
  • Double-network (DN) hydrogels can generate radicals when subjected to mechanical force.

Purpose of the Study:

  • To develop self-growing and self-strengthening DN hydrogels.
  • To impart luminescence and enhance fatigue resistance in soft materials.

Main Methods:

  • Utilizing a sustained supply of monomers and lanthanide complexes.
  • Initiating mechanoradical polymerization through bond rupture under mechanical loading.
  • Employing mechanical stamping to introduce desired functions.

Main Results:

  • Achieved simultaneous self-growth and self-strengthening of DN hydrogels.
  • Demonstrated enhanced mechanical performance and luminescence intensity.
  • Successfully imparted functions via mechanical stamping.

Conclusions:

  • Mechanical loading can induce self-growth and self-strengthening in functionalized DN hydrogels.
  • This approach offers a new strategy for designing fatigue-resistant luminescent soft materials.
  • Mechanical stamping is a viable method for functionalizing DN hydrogels.