Predicting the optoelectronic properties of nanowire films based on control of length polydispersity

Large, Matthew J, Burn, Jake, King, Alice A, Ogilvie, Sean P, Jurewicz, Izabela and Dalton, Alan B (2016) Predicting the optoelectronic properties of nanowire films based on control of length polydispersity. Scientific Reports, 6. a25365 1-7. ISSN 2045-2322

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We demonstrate that the optoelectronic properties of percolating thin films of silver nanowires (AgNWs) are predominantly dependent upon the length distribution of the constituent AgNWs. A generalized expression is derived to describe the dependence of both sheet resistance and optical transmission on this distribution. We experimentally validate the relationship using ultrasonication to controllably vary the length distribution. These results have major implications where nanowire-based films are a desirable material for transparent conductor applications; in particular when application specific performance criteria must be met. It is of particular interest to have a simple method to generalize the properties of bulk films from an understanding of the base material, as this will speed up the optimisation process. It is anticipated that these results may aid in the adoption of nanowire films in industry, for applications such as touch sensors or photovoltaic electrode structures.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Subjects: Q Science > QC Physics
Depositing User: Richard Chambers
Date Deposited: 09 May 2016 14:28
Last Modified: 16 Nov 2020 16:00

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