Journal
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
Volume 176, Issue 14, Pages 1128-1131Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mseb.2011.05.053
Keywords
Inkjet; Printing; ITO; Ag-grid
Funding
- Small & Medium Business Administration (SMBA), Korea [S1072318]
- Korea Evaluation Institute of Industrial Technology (KEIT) [S1072318] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Indium-tin-oxide (ITO) films have been prepared by inkjet-printing using ITO nanoparticle inks. The electrical and optical properties of the ITO films were investigated in order to understand the effects of annealing temperatures under microwave. The decrease in the sheet resistance and resistivity of the inkjet-printed ITO films was observed as the annealing temperature increases. The film annealed at 400 degrees C showed the sheet resistance of 517 Omega/sq with the film thickness of similar to 580 nm. The optical transmittance of the films remained constant regardless of their annealing temperatures. In order to further reduce the sheet resistance of the films. Ag-grid was printed in between two layers of inkjet-printed ITO. With 3 mm Ag-grid line-to-line pitch, the Ag-grid inserted ITO film has the sheet resistance of 3.4 Omega/sq and the transmittance of 84% after annealing at 200 degrees C under microwave. (C) 2011 Elsevier B.V. All rights reserved.
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