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 m...

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Veröffentlicht in:Adv. Mater 2012-05, Vol.24 (19), p.2578-2581
Hauptverfasser: Odom, Susan A., Chayanupatkul, Sarut, Blaiszik, Benjamin J., Zhao, Ou, Jackson, Aaron C., Braun, Paul V., Sottos, Nancy R., White, Scott R., Moore, Jeffrey S.
Format: Artikel
Sprache:eng
Schlagworte:
Capsules - chemistry
Electric Conductivity
electrical conductivity
energy storage (including batteries and capacitors), charge transport, materials and chemistry by design, synthesis (novel materials)
Ink
microencapsulation
Polymers - chemistry
restoration
self-healing
Silver - chemistry
silver ink
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Beschreibung
Zusammenfassung: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.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201200196