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Flash light sintering of ag mesh films for printed transparent conducting electrode

Title
Flash light sintering of ag mesh films for printed transparent conducting electrode
Author
김학성
Keywords
Flash light sintering; Transparent conducting electrode; Reverse-offset printing; Ag mesh film
Issue Date
2017-04
Publisher
ELSEVIER SCIENCE SA
Citation
THIN SOLID FILMS, v. 629, page. 60-68
Abstract
Transparent conducting electrodes (TCEs) are fabricated through the flash light sintering of reverse-offset printed Agmesh patterns. Interestingly, the narrower printing lines require a higher flash light energy to obtain an equivalent sheet resistance even if the same Ag nanoparticle ink is used. The microstructural development of sintered Ag nanoparticles is also retardedwith the decrease of linewidth after the same flash light sintering. The temperature calculation in the Ag mesh patterns clearly reveals that heat dissipation is affected by the print dimension. To improve the performance of Agmesh TCEs with 3 mu m wide lines, a preheating step comprised ofmulti-pulses is inserted before a main flash light sintering. The multi-pulsed flash light sintering is effective in decreasing the sample temperature and in removing the substrate damages or microstructural defects. As a result, the flash light-sintered Ag mesh TCEs shows a sheet resistance of 27 Omega/square and an optical transmittance of 84.7% including an optical transmittance of substrate. (C) 2017 Elsevier B.V. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S0040609017302341?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/113605
ISSN
0040-6090
DOI
10.1016/j.tsf.2017.03.049
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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