期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 46, 期 15, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/0022-3727/46/15/155103
关键词
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资金
- Agency for Defense Development in Korea [UE115092GD]
- Basic Science Research Program through the National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2012R1A1A1039752, 2011-0016461]
- Industrial Core Technology Development Project through the Ministry of Knowledge and Commerce [10035644-2012-03]
- National Research Foundation of Korea [2010-0015174, 2012R1A1A1039752] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Invisible Ag-grid transparent electrodes (TEs) were prepared by electrohydrodynamic (EHD) jet printing using Ag nano-particle inks. Ag-grid width less than 10 mu m was achieved by the EHD jet printing, which was invisible to the naked eye. The Ag-grid line-to-line distance (pitch) was modulated in order to investigate the electrical and optical properties of the EHD jet-printed Ag-grid TEs. The decrease in the sheet resistance at the expense of the transmittance was observed as the Ag-grid pitch decreased. The figure of merit of Ag-grid TEs with various Ag-grid pitches was investigated in order to determine the optimum pitch condition for both electrical and optical properties. With the 150 mu m Ag-grid pitch, the EHD jet-printed Ag-grid TE has the sheet resistance of 4.87 Omega sq(-1) and the transmittance of 81.75% after annealing at 200 degrees C under near-infrared. Ag filling factor (FF) was defined to predict the electrical and optical properties of Ag-grid TEs. It was found that the measured electrical and optical properties were well simulated by the theoretical equations incorporating FF. The EHD jet-printed invisible Ag-grid TE with good electrical and optical properties implies its promising application to the printed optoelectronic devices.
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