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Highly Stretchable and Highly Conductive PEDOT:PSS/Ionic Liquid Composite Transparent Electrodes for Solution-Processed Stretchable Electronics.
ACS Appl Mater Interfaces 2017; 9(1):819-826AA

Abstract

Stretchable conductive materials have received great attention owing to their potential for realizing next-generation stretchable electronics. However, the simultaneous achievement of excellent mechanical stretchability and high electrical conductivity as well as cost-effective fabrication has been a significant challenge. Here, we report a highly stretchable and highly conducting polymer that was obtained by incorporating an ionic liquid. When 1-ethyl-3-methylimidazolium tetracyanoborate (EMIM TCB) was added to an aqueous conducting polymer solution of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), it was found that EMIM TCB acts not only as a secondary dopant but also as a plasticizer for PEDOT:PSS, resulting in a high conductivity of >1000 S cm-1 with stable performance at tensile strains up to 50% and even up to 180% in combination with the prestrained substrate technique. Consequently, by exploiting the additional benefits of high transparency and solution-processability of PEDOT:PSS, we were able to fabricate a highly stretchable, semitransparent, and wholly solution-processed alternating current electroluminescent device with unimpaired performance at 50% strain by using PEDOT:PSS/EMIM TCB composite films as both bottom and top electrodes.

Authors+Show Affiliations

School of Materials Science and Engineering and Department of Nanobio Materials and Electronics, and ‡Heeger Center for Advanced Materials and Research Institute for Solar and Sustainable Energies, Gwangju Institute of Science and Technology , 123 Cheomdamgwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.School of Materials Science and Engineering and Department of Nanobio Materials and Electronics, and ‡Heeger Center for Advanced Materials and Research Institute for Solar and Sustainable Energies, Gwangju Institute of Science and Technology , 123 Cheomdamgwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.School of Materials Science and Engineering and Department of Nanobio Materials and Electronics, and ‡Heeger Center for Advanced Materials and Research Institute for Solar and Sustainable Energies, Gwangju Institute of Science and Technology , 123 Cheomdamgwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.School of Materials Science and Engineering and Department of Nanobio Materials and Electronics, and ‡Heeger Center for Advanced Materials and Research Institute for Solar and Sustainable Energies, Gwangju Institute of Science and Technology , 123 Cheomdamgwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.School of Materials Science and Engineering and Department of Nanobio Materials and Electronics, and ‡Heeger Center for Advanced Materials and Research Institute for Solar and Sustainable Energies, Gwangju Institute of Science and Technology , 123 Cheomdamgwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.School of Materials Science and Engineering and Department of Nanobio Materials and Electronics, and ‡Heeger Center for Advanced Materials and Research Institute for Solar and Sustainable Energies, Gwangju Institute of Science and Technology , 123 Cheomdamgwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.School of Materials Science and Engineering and Department of Nanobio Materials and Electronics, and ‡Heeger Center for Advanced Materials and Research Institute for Solar and Sustainable Energies, Gwangju Institute of Science and Technology , 123 Cheomdamgwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.School of Materials Science and Engineering and Department of Nanobio Materials and Electronics, and ‡Heeger Center for Advanced Materials and Research Institute for Solar and Sustainable Energies, Gwangju Institute of Science and Technology , 123 Cheomdamgwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27990796

Citation

Teo, Mei Ying, et al. "Highly Stretchable and Highly Conductive PEDOT:PSS/Ionic Liquid Composite Transparent Electrodes for Solution-Processed Stretchable Electronics." ACS Applied Materials & Interfaces, vol. 9, no. 1, 2017, pp. 819-826.
Teo MY, Kim N, Kee S, et al. Highly Stretchable and Highly Conductive PEDOT:PSS/Ionic Liquid Composite Transparent Electrodes for Solution-Processed Stretchable Electronics. ACS Appl Mater Interfaces. 2017;9(1):819-826.
Teo, M. Y., Kim, N., Kee, S., Kim, B. S., Kim, G., Hong, S., ... Lee, K. (2017). Highly Stretchable and Highly Conductive PEDOT:PSS/Ionic Liquid Composite Transparent Electrodes for Solution-Processed Stretchable Electronics. ACS Applied Materials & Interfaces, 9(1), pp. 819-826. doi:10.1021/acsami.6b11988.
Teo MY, et al. Highly Stretchable and Highly Conductive PEDOT:PSS/Ionic Liquid Composite Transparent Electrodes for Solution-Processed Stretchable Electronics. ACS Appl Mater Interfaces. 2017 Jan 11;9(1):819-826. PubMed PMID: 27990796.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Highly Stretchable and Highly Conductive PEDOT:PSS/Ionic Liquid Composite Transparent Electrodes for Solution-Processed Stretchable Electronics. AU - Teo,Mei Ying, AU - Kim,Nara, AU - Kee,Seyoung, AU - Kim,Bong Seong, AU - Kim,Geunjin, AU - Hong,Soonil, AU - Jung,Suhyun, AU - Lee,Kwanghee, Y1 - 2016/12/27/ PY - 2016/12/20/pubmed PY - 2016/12/20/medline PY - 2016/12/20/entrez KW - PEDOT:PSS KW - conducting polymers KW - ionic liquids KW - stretchable electronics KW - stretchable transparent electrodes SP - 819 EP - 826 JF - ACS applied materials & interfaces JO - ACS Appl Mater Interfaces VL - 9 IS - 1 N2 - Stretchable conductive materials have received great attention owing to their potential for realizing next-generation stretchable electronics. However, the simultaneous achievement of excellent mechanical stretchability and high electrical conductivity as well as cost-effective fabrication has been a significant challenge. Here, we report a highly stretchable and highly conducting polymer that was obtained by incorporating an ionic liquid. When 1-ethyl-3-methylimidazolium tetracyanoborate (EMIM TCB) was added to an aqueous conducting polymer solution of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), it was found that EMIM TCB acts not only as a secondary dopant but also as a plasticizer for PEDOT:PSS, resulting in a high conductivity of >1000 S cm-1 with stable performance at tensile strains up to 50% and even up to 180% in combination with the prestrained substrate technique. Consequently, by exploiting the additional benefits of high transparency and solution-processability of PEDOT:PSS, we were able to fabricate a highly stretchable, semitransparent, and wholly solution-processed alternating current electroluminescent device with unimpaired performance at 50% strain by using PEDOT:PSS/EMIM TCB composite films as both bottom and top electrodes. SN - 1944-8252 UR - https://www.unboundmedicine.com/medline/citation/27990796/Highly_Stretchable_and_Highly_Conductive_PEDOT:PSS/Ionic_Liquid_Composite_Transparent_Electrodes_for_Solution_Processed_Stretchable_Electronics_ L2 - https://dx.doi.org/10.1021/acsami.6b11988 DB - PRIME DP - Unbound Medicine ER -