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Published on: November 7, 2016
One-Pot Synthesis of Mechanically Robust Eutectogels via Carboxyl-Al(III) Coordination for Reliable Flexible Strain
Zhenkai Huang1, Yutao Song2, Shanzheng Zhao2
1School of Materials and Energy, Foshan University, Foshan 528000, China.
Abstract:
This work presents a facile one-pot synthesis strategy for highly strong and tough eutectogels. The exceptional mechanical performance (average stress: 3.8 MPa; average strain: 920%) stems from synergistic trivalent aluminum(III)-ligand coordination crosslinking and extensive hydrogen bonding within the network. The optimized proportion has achieved a balance between mechanical stress and strain. Reversible bonding enables rapid energy dissipation and elastic recovery. A flexible strain sensor fabricated from this eutectogel demonstrates high sensitivity (gauge factor > 2) and ultrafast response (200 ms), validating its potential as low-cost electronic skin. This research provides a foundational framework for developing sustainable, high-performance flexible.
