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

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posted on 2023-06-09, 01:10 authored by Matthew J Large, Jake Burn, Alice A King, Sean OgilvieSean Ogilvie, Izabela Jurewicz, Alan DaltonAlan Dalton
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.

Funding

EPSRC; EP/M507775/1

EPSRC; EP/K031562/1

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History

Publication status

  • Published

File Version

  • Published version

Journal

Scientific Reports

ISSN

2045-2322

Publisher

Nature Publishing Group

Volume

6

Page range

1-7

Article number

a25365

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2016-05-09

First Open Access (FOA) Date

2016-05-09

First Compliant Deposit (FCD) Date

2016-05-09

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