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Highly Conductive Films by Rapid Photonic Annealing of Inkjet Printable Starch–Graphene Ink
RISE Research Institutes of Sweden, Digitala system, Smart hårdvara.ORCID-id: 0000-0002-7825-9501
RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign. Uppsala University, Sweden.ORCID-id: 0000-0002-8626-0975
RISE Research Institutes of Sweden, Bioekonomi och hälsa, Material- och ytdesign.ORCID-id: 0000-0002-3186-6507
BillerudKorsnäs AB, Sweden.
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2021 (Engelska)Ingår i: Advanced Materials Interfaces, ISSN 2196-7350, Vol. 9, nr 5, artikel-id 2101884Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

A general formulation engineering method is adopted in this study to produce a highly concentrated (≈3 mg mL−1) inkjet printable starch–graphene ink in aqueous media. Photonic annealing of the starch–graphene ink is validated for rapid post-processing of printed films. The experimental results demonstrate the role of starch as dispersing agent for graphene in water and photonic pulse energy in enhancing the electrical properties of the printed graphene patterns, thus leading to an electrical conductivity of ≈2.4 × 104 S m−1. The curing mechanism is discussed based on systematic material studies. The eco-friendly and cost-efficient approach presented in this work is of technical potential for the scalable production and integration of conductive graphene inks for widespread applications in printed and flexible electronics. 

Ort, förlag, år, upplaga, sidor
John Wiley and Sons Inc , 2021. Vol. 9, nr 5, artikel-id 2101884
Nyckelord [en]
Conductive films, Flexible electronics, Graphene, Ink, Aqueous media, Curing mechanism, Dispersing agent, Electrical conductivity, Engineering methods, Formulation engineering, Graphene inks, Ink jet, Post-processing, Pulse energies, Starch
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Materialkemi
Identifikatorer
URN: urn:nbn:se:ri:diva-58169DOI: 10.1002/admi.202101884Scopus ID: 2-s2.0-85122063587OAI: oai:DiVA.org:ri-58169DiVA, id: diva2:1628262
Anmärkning

Funding details: Stiftelsen för Strategisk Forskning, SSF, FID‐15‐0105; Funding text 1: This work was financially supported by the Swedish Foundation for Strategic Research (SSF, grant no. FID‐15‐0105) and BillerudKorsnäs AB. The authors would like to thank Karin Hallstensson for support with the SEM measurements. The authors are also thankful to Mohammad Yusuf Mulla for supporting in the fabrication of the demonstration circuit.

Tillgänglig från: 2022-01-14 Skapad: 2022-01-14 Senast uppdaterad: 2024-03-03Bibliografiskt granskad

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Majee, SubimalZhao, WeiSugunan, AbhilashBrooke, RobertNordgren, NiklasNilsson, DavidAhniyaz, Anwar

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Majee, SubimalZhao, WeiSugunan, AbhilashBrooke, RobertNordgren, NiklasNilsson, DavidAhniyaz, Anwar
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