Kumar, D., Stoichkov, V., Ghosh, S., Smith, G.C. and Kettle, J. (2017) Mixed-dimension silver nanowires for solution-processed, flexible, transparent and conducting electrodes with improved optical and physical properties. Flexible and Printed Electronics, 2, 015005. (doi: 10.1088/2058-8585/aa6011)
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Abstract
In this work, we present an alternative method for the spray coating of silver nanowire contact electrodes by employing a mixture of short and long nanowires. Mixed silver nanowires are found to give improved optical properties with 2–5% higher transparency for the same sheet resistance of 25 Ω sq−1 compared to silver nanowires prepared with a single geometry. The figure of merit for the 25 Ω sq−1 sheet resistance electrode is found to be highest for the mixed-composition AgNWs-M1 (mixture of AgNWs-30L and AgNWs-60S) electrodes. The average root mean square surface roughness (Rq) parameter by white light interferometry is found to be lower for mixed-composition silver nanowire electrodes (Rq = 3–4 nm) compared to individual parent fixed-dimension-type silver nanowire electrodes (Rq = 6–8 nm).
Item Type: | Articles |
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Additional Information: | This work was supported by the UK Engineering and Physical Sciences Research Council through the EPSRC Centre for Innovative Manufacturing in Large Area Electronics (grant number EP/K03099X/1). Vasil Stoichkov would like to thank Sêr Cymru National Research Network for funding of his PhD studies. |
Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Kettle, Professor Jeff |
Authors: | Kumar, D., Stoichkov, V., Ghosh, S., Smith, G.C., and Kettle, J. |
College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
Journal Name: | Flexible and Printed Electronics |
Publisher: | IOP Publishing |
ISSN: | 2058-8585 |
ISSN (Online): | 2058-8585 |
Published Online: | 20 March 2017 |
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