Roll-to-roll sputtered, indium-free ZnSnO/AgPdCu/ZnSnO multi-stacked electrodes for high performance flexible thin-film heaters and heat-shielding films
- Authors
- Seok H.-J.[Seok H.-J.]; Jang H.-W.[Jang H.-W.]; Lee D.-Y.[Lee D.-Y.]; Son B.-G.[Son B.-G.]; Kim H.-K.[Kim H.-K.]
- Issue Date
- 15-Feb-2019
- Publisher
- Elsevier Ltd
- Keywords
- AgPdCu; Flexible and transparent electrode; Heat shield film; Roll to roll sputtering; Thin film heater; ZnSnO
- Citation
- Journal of Alloys and Compounds, v.775, pp.853 - 864
- Journal Title
- Journal of Alloys and Compounds
- Volume
- 775
- Start Page
- 853
- End Page
- 864
- URI
- https://scholarworks.bwise.kr/skku/handle/2021.sw.skku/16254
- DOI
- 10.1016/j.jallcom.2018.10.194
- ISSN
- 0925-8388
- Abstract
- As a cost-effective, indium-free, flexible, and highly transparent electrode for flexible thin-film heaters and heat-shielding films, ZnSnO(ZTO)/AgPdCu(APC)/ZTO multi-stacked films were fabricated by using 1500-mm–width, roll-to-roll (RTR) sputtering at room temperature. The optimized RTR-sputtered ZTO/APC/ZTO film showed a very low sheet resistance (3.43 ohm/square), high optical transmittance (80.99%), and small inner/outer critical bending radii (1 and 2 mm, respectively), even when it was processed at room temperature. In particular, the better flexibility of the ZTO/APC/ZTO films, relative to typical ITO films, was confirmed by lab-scale bending, rolling, twisting, and folding tests. Due to the very low sheet resistance, superior flexibility, and low transmittance in the near-infrared wavelength region, flexible and transparent thin-film heaters (TFHs) and flexible heat-shielding films (HSFs) made with the ZTO/APC/ZTO films showed better performance than typical ITO-based TFHs and HSFs. This suggests that the RTR–sputtered, indium-free ZTO/APC/ZTO films can be applied as transparent and flexible electrode materials in cost-effective and multi-functional smart windows for buildings and automobiles. © 2018
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Collections - Engineering > School of Advanced Materials Science and Engineering > 1. Journal Articles
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