Tin-doped Indium oxide, a widely used conductor in optoelectronic devices, has been used to form microelectrodes that can be patterned in both 1D and 3D arrays, by direct-write assembly of sol–gel inks with varying concentration.
Jennifer A. Lewis and co-workers at the University of Illinois at Urbana-Champaign, in the US, have published their results in ChemComm and they believe the approach may open up new avenues for fabricating printed electronic and optoelectronic devices in unusual layouts.
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