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Inkjet printed highly transparent and flexible graphene micro-supercapacitors
KTH, School of Information and Communication Technology (ICT), Electronics, Integrated devices and circuits.
KTH, School of Information and Communication Technology (ICT), Electronics.
KTH, School of Information and Communication Technology (ICT), Electronics, Integrated devices and circuits.
KTH, School of Information and Communication Technology (ICT), Electronics, Integrated devices and circuits.
2017 (English)In: Nanoscale, ISSN 2040-3364, E-ISSN 2040-3372, Vol. 9, no 21, 6998-7005 p.Article in journal (Refereed) Published
Abstract [en]

Modern energy storage devices for portable and wearable technologies must fulfill a number of requirements, such as small size, flexibility, thinness, reliability, transparency, manufacturing simplicity and performance, in order to be competitive in an ever expanding market. To this end, a comprehensive inkjet printing process is developed for the scalable and low-cost fabrication of transparent and flexible micro-supercapacitors. These solid-state devices, with printed thin films of graphene flakes as interdigitated electrodes, exhibit excellent performance versus transparency (ranging from a single-electrode areal capacitance of 16 mu F cm(-2) at transmittance of 90% to a capacitance of 99 mu F cm(-2) at transmittance of 71%). Also, transparent and flexible devices are fabricated, showing negligible capacitance degradation during bending. The ease of manufacturing coupled with their great capacitive properties opens up new potential applications for energy storage devices ranging from portable solar cells to wearable sensors.

Place, publisher, year, edition, pages
Royal Society of Chemistry, 2017. Vol. 9, no 21, 6998-7005 p.
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Identifiers
URN: urn:nbn:se:kth:diva-209293DOI: 10.1039/c7nr02204bISI: 000402600500008OAI: oai:DiVA.org:kth-209293DiVA: diva2:1111498
Funder
Swedish Research Council, 2014-6160
Note

QC 20170619

Available from: 2017-06-19 Created: 2017-06-19 Last updated: 2017-06-19Bibliographically approved

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Delekta, Szymon SollamiSmith, Anderson DavidLi, JiantongÖstling, Mikael
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