A Self-healing Conductive Ink
A Self-Healing Conductive Ink
Electrical conductivity of mechanically damaged silver ink circuits
is automatically restored using core–shell microcapsules. Upon
mechanical damage to the circuit and microcapsules, silver particles
reorganize by dissolution of the polymer binder layer upon release of
solvent, hexyl acetate, from microcapsule cores. Conductivity is
restored within minutes of damage, and no short-circuiting is revealed
during the healing of closely spaced lines.
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