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Spray-Coating Thin Films on Three-Dimensional Surfaces for a Semitransparent Capacitive-Touch Device
Tian Carey,
Chris Jones,
Fred Le Moal,
Davide Deganello 
,
Felice Torrisi
,
Felice Torrisi
ACS Applied Materials & Interfaces, Volume: 10, Issue: 23, Pages: 19948 - 19956
Swansea University Author:
Davide Deganello
DOI (Published version): 10.1021/acsami.8b02784
Abstract
Here, we formulate low surface tension (∼30 mN/m) and low boiling point (∼79 °C) inks of graphene, single-wall carbon nanotubes and conductive polymer poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) and demonstrate their viability for spray-coating of morphologically uniform (Sq...
| Published in: | ACS Applied Materials & Interfaces |
|---|---|
| ISSN: | 1944-8244 1944-8252 |
| Published: |
2018
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| Online Access: |
Check full text
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa40883 |
| Abstract: |
Here, we formulate low surface tension (∼30 mN/m) and low boiling point (∼79 °C) inks of graphene, single-wall carbon nanotubes and conductive polymer poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) and demonstrate their viability for spray-coating of morphologically uniform (Sq ≈ 48 ± 3 nm), transparent conducting films (TCFs) at room temperature (∼20 °C), which conform to three dimensional curved surfaces. Large area (∼750 cm2) hybrid PEDOT:PSS/graphene films achieved an optical transmission of 67% in the UV and 64% in the near-infrared wavelengths with a conductivity of ∼104 S/m. Finally, we demonstrate the spray-coating of TCFs as an electrode on the inside of a poly(methyl methacrylate) sphere, enabling a semitransparent (around 360°) and spherical touch sensor for interactive devices. |
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| College: |
Faculty of Science and Engineering |
| Issue: |
23 |
| Start Page: |
19948 |
| End Page: |
19956 |