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Title: Fabrication of Oxidation-Resistant Metal Wire Network-Based Transparent Electrodes by a Spray-Roll Coating Process
Authors: Kiruthika, S.
Gupta, Ritu
Anand, Aman
Kumar, Ankush
Kulkarni, G. U.
Keywords: Nanoscience & Nanotechnology
Materials Science
Transparent conducting electrodes
crackle template
Ag wire network
roll coating
spray coating
oxidation resistant
Organic Solar-Cells
Conducting Electrodes
Silver Nanowires
Graphene Films
Issue Date: 2015
Publisher: American Chemical Society
Citation: ACS Applied Materials & Interfaces
Kiruthika, S.; Gupta, R.; Anand, A.; Kumar, A.; Kulkarni, G. U., Fabrication of Oxidation-Resistant Metal Wire Network-Based Transparent Electrodes by a Spray-Roll Coating Process. ACS Applied Materials & Interfaces 2015, 7 (49), 27215-27222.
Abstract: Roll and spray coating methods have been employed for the fabrication of highly oxidation resistant transparent and conducting electrodes (TCEs) by a simple solution process using crackle lithography technique. We have spray-coated a crackle paint-based precursor to produce highly interconnected crackle network on PET roll mounted on a roll coater with web speed of 0.6 m/min. Ag TCE with a transmittance of 78% and sheet resistance of similar to 20 Omega/square was derived by spraying Ag precursor ink over the crackle template followed by lift-off and annealing under ambient conditions. The Ag wire mesh was stable toward bending and sonication tests but prone to oxidation in air. When electrolessly coated with Pd, its robustness toward harsh oxidation conditions was enhanced. A low-cost transparent electrode has also been realized by using only small amounts of Ag as seed layer and growing Cu wire mesh by electroless method. Thus, made Ag/Cu meshes are found to be highly stable for more than a year even under ambient atmosphere.
Description: Restricted access
ISSN: 1944-8244
Appears in Collections:Research Articles (Kulkarni, G. U.)

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