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High-performance transparent and flexible electrodes made by flash-light sintering of gold nanoparticles
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för naturvetenskap.ORCID-id: 0000-0003-2873-7875
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för elektronikkonstruktion.
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för naturvetenskap.ORCID-id: 0000-0001-9137-3440
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för elektronikkonstruktion.ORCID-id: 0000-0003-2965-0288
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2018 (engelsk)Inngår i: ACS Applied Energy Materials, E-ISSN 2574-0962, Vol. 1, nr 12, s. 7191-7198Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Metallic nanowire-based transparent electrodes (TEs) are potential alternatives to indium tin oxide (ITO). To achieve a high performance [sheet resistance (Rs) < 100 Ω/sq, transmittance (T%) > 90%], the nanowires must have a high length-to-diameter (L/D) ratio to minimize the number of wire-to-wire junctions. Attempts to produce TEs with gold nanowires have been made, and the results reveal difficulties in achieving the requirements. A successful strategy involves creating templated gold nanonetworks through multiple procedures. Here, we present a simple and efficient method that uses flash-light sintering of a gold nanonetwork film into gold TEs (Rs: 82.9 Ω/sq, T %: 91.79%) on a thin polycarbonate film (25 μm). The produced gold TEs have excellent mechanical, electrical, optical, and chemical stabilities. Mechanisms of the formation of gold nanonetworks and the effect of flash-light have been analyzed. Our findings provide a scalable process for producing transparent and flexible gold electrodes with a total processing time of less than 8 min without the use of heating, vacuum processing, and organic chemicals and without any material loss. This is possible because all the gold nanoparticles have been aggregated and filtrated on the filter membranes. The area density of gold is 0.094 g/m2 leading low material costs, which is very competitive with the price of commercial TEs.

sted, utgiver, år, opplag, sider
2018. Vol. 1, nr 12, s. 7191-7198
Emneord [en]
transparent electrode, flexible electrode, gold nanoparticles, flash-light sintering, high performance
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Identifikatorer
URN: urn:nbn:se:miun:diva-35380DOI: 10.1021/acsaem.8b01649ISI: 000458706800063Scopus ID: 2-s2.0-85064752503OAI: oai:DiVA.org:miun-35380DiVA, id: diva2:1274920
Tilgjengelig fra: 2019-01-03 Laget: 2019-01-03 Sist oppdatert: 2019-07-08bibliografisk kontrollert

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Zhang, RenyunEngholm, MagnusHummelgård, MagnusAndersson, HenrikÖrtegren, JonasOlin, Håkan

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