Electrohydrodynamic printing of poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) electrodes with ratio-optimized surfactant
- Authors
- Lim, Sooman; Park, So Hyun; An, Tae Kyu; Lee, Hwa Sung; Kim, Se Hyun
- Issue Date
- 2016
- Publisher
- Royal Society of Chemistry
- Citation
- RSC Advances, v.6, no.3, pp.2004 - 2010
- Indexed
- SCIE
SCOPUS
- Journal Title
- RSC Advances
- Volume
- 6
- Number
- 3
- Start Page
- 2004
- End Page
- 2010
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/15595
- DOI
- 10.1039/c5ra19462h
- ISSN
- 2046-2069
- Abstract
- An electrohydrodynamic (EHD) printing process was optimized for the printing of a (3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) conductive polymer by manipulating the surface tension of a PEDOT:PSS solution. A stable cone-jet mode was confirmed by adjusting the process parameters of the EHD printing process, such as applied voltage, flow rate, and working distance. The addition of a nonionic surfactant, Triton X-100, enabled both printing of PEDOT:PSS conductive lines with widths ranging from 335 μm to 90 μm in a low-power operation (0.5 kV), as well as a 100-fold increase in conductivity of the PEDOT:PSS film compared with that of the pristine one. To utilize printed PEDOT:PSS lines for high functional applications, a multi-deposition technique was carried out, which results in a decrease in line resistance from 1.3 × 104 Ω mm-1 to 0.2 × 103 Ω mm-1. © 2015 The Royal Society of Chemistry.
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