Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 20, Issue 11, Pages 1721-1727Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201000159
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Funding
- National Science Foundation through National Science and Engineering Initiative [DMR-0642573]
- Center for Electrical Energy Storage
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [0936888] Funding Source: National Science Foundation
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The formation of the conductive TTF-TCNQ (tetrathiafulvalene-tetracyanoquinodimethane) charge-transfer salt via rupture of microencapsulated solutions of its individual components is reported. Solutions of TTF and TCNQ in various solvents are separately incorporated into poly(urea-formaldehyde) core-shell microcapsules. Rupture of a mixture of TTF-containing microcapsules and TCNQ-containing microcapsules results in the formation of the crystalline salt, as verified by FTIR spectroscopy and powder X-ray diffraction. Preliminary measurements demonstrate the partial restoration of conductivity of severed gold electrodes in the presence of TTF-TCNQ derived in situ. This is the first microcapsule system for the restoration of conductivity in mechanically damaged electronic devices in which the repairing agent is not conductive until its release.
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