Roll-to-roll sputtered, indium-free ZnSnO/AgPdCu/ZnSnO multi-stacked electrodes for high performance flexible thin-film heaters and heat-shielding films

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...

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Veröffentlicht in:Journal of alloys and compounds 2019-02, Vol.775, p.853-864
Hauptverfasser: Seok, Hae-Jun, Jang, Hyeon-Woo, Lee, Dong-Yeop, Son, Beom-Gwon, Kim, Han-Ki
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container_title Journal of alloys and compounds
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creator Seok, Hae-Jun
Jang, Hyeon-Woo
Lee, Dong-Yeop
Son, Beom-Gwon
Kim, Han-Ki
description 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. [Display omitted] •Electrical, optical, and mechanical properties of ZTO/APC/ZTO multilayers.•Outstanding flexibility of roll-to-roll sputtered ZTO/APC/ZTO films.•Flexible thin-film heater and heat-shielding films for smart windows.
doi_str_mv 10.1016/j.jallcom.2018.10.194
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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. [Display omitted] •Electrical, optical, and mechanical properties of ZTO/APC/ZTO multilayers.•Outstanding flexibility of roll-to-roll sputtered ZTO/APC/ZTO films.•Flexible thin-film heater and heat-shielding films for smart windows.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2018.10.194</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>AgPdCu ; Automobiles ; Bend radius ; Electrical resistivity ; Electrode materials ; Electrodes ; Flexibility ; Flexible and transparent electrode ; Heat shield film ; Heat shielding ; Heat treating ; Indium tin oxides ; Roll to roll sputtering ; Smart materials ; Thin film heater ; Thin films ; Transmittance ; Twisting ; ZnSnO</subject><ispartof>Journal of alloys and compounds, 2019-02, Vol.775, p.853-864</ispartof><rights>2018 Elsevier B.V.</rights><rights>Copyright Elsevier BV Feb 15, 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-8e476965271c37f001341360bcb8b32d2e7790693117d8cedc7133d3f9e4e173</citedby><cites>FETCH-LOGICAL-c337t-8e476965271c37f001341360bcb8b32d2e7790693117d8cedc7133d3f9e4e173</cites><orcidid>0000-0003-4650-6245</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jallcom.2018.10.194$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Seok, Hae-Jun</creatorcontrib><creatorcontrib>Jang, Hyeon-Woo</creatorcontrib><creatorcontrib>Lee, Dong-Yeop</creatorcontrib><creatorcontrib>Son, Beom-Gwon</creatorcontrib><creatorcontrib>Kim, Han-Ki</creatorcontrib><title>Roll-to-roll sputtered, indium-free ZnSnO/AgPdCu/ZnSnO multi-stacked electrodes for high performance flexible thin-film heaters and heat-shielding films</title><title>Journal of alloys and compounds</title><description>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. 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[Display omitted] •Electrical, optical, and mechanical properties of ZTO/APC/ZTO multilayers.•Outstanding flexibility of roll-to-roll sputtered ZTO/APC/ZTO films.•Flexible thin-film heater and heat-shielding films for smart windows.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2018.10.194</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0003-4650-6245</orcidid></addata></record>
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subjects AgPdCu
Automobiles
Bend radius
Electrical resistivity
Electrode materials
Electrodes
Flexibility
Flexible and transparent electrode
Heat shield film
Heat shielding
Heat treating
Indium tin oxides
Roll to roll sputtering
Smart materials
Thin film heater
Thin films
Transmittance
Twisting
ZnSnO
title Roll-to-roll sputtered, indium-free ZnSnO/AgPdCu/ZnSnO multi-stacked electrodes for high performance flexible thin-film heaters and heat-shielding films
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