Carbon nanotube-silver nanowire composite networks on flexible substrates: High reliability and application for supercapacitor electrodes
- Authors
- Lee, Churl Seung; Yoo, Joung Eun; Shin, Kwonwoo; Park, C. O.; Bae, Joonho
- Issue Date
- Dec-2014
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- carbon nanotubes; electrodes; nanowires; silver; supercapacitors
- Citation
- PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, v.211, no.12, pp.2890 - 2897
- Journal Title
- PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE
- Volume
- 211
- Number
- 12
- Start Page
- 2890
- End Page
- 2897
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/12085
- DOI
- 10.1002/pssa.201431538
- ISSN
- 1862-6300
- Abstract
- Highly transparent, flexible and conductive networks of carbon nanotubes-silver nanowire networks were formed on polyethylene terephthalate (PET) substrates. The high temperature and humidity tests reveal that our CNT-AgNW composite networks maintain high durability and reliability in the electrical and optical properties under high temperature (85 degrees C) and relative humidity (85% R.H.). When bent and flexed over 1000 cycles; the films did not show significant degradation in sheet resistance compared to Ag films and ITOs on the same flexible substrates; demonstrating the superior mechanical stability of our CNT-AgNWs networks. The composite films on PET were employed for supercapacitor electrodes. The supercapacitors demonstrate a mass specific capacitance of 143 Fg(-1) with a stable charge-discharge (3000 cycles) and low internal resistance (16 Omega). Furthermore; the supercapacitors showed high durability under harsh climatic conditions and mechanical bending. Our works indicate that the CNT-AgNWs could be promising transparent conductive electrodes for the applications in flexible optoelectronics and energy storage devices. (C) 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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