Highly efficient flexible optoelectronic devices using metal nanowire-conducting polymer composite transparent electrode

Citation data:

Electronic Materials Letters, ISSN: 1738-8090, Vol: 11, Issue: 5, Page: 906-914

Publication Year:
2015
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Repository URL:
http://scholarworks.unist.ac.kr/handle/201301/12021
DOI:
10.1007/s13391-015-5120-z
Author(s):
Song, Myoung Hoon; Jung, Eui Dae; Nam, Yun Seok; Seo, Houn; Lee, Bo Ram; Yu, Jae Choul; Lee, Sang Yun; Kim, Ju-Young; Park, Jang-Ung
Publisher(s):
Springer Nature; KOREAN INST METALS MATERIALS
Tags:
Materials Science; flexible transparent electrode; composite; metal nanowire; PEDOT:PSS; organic light emitting diode (OLED); organic solar cell (OSC)
article description
Here, we report a comprehensive analysis of the electrical, optical, mechanical, and surface morphological properties of composite nanostrutures based on silver nanowires (AgNW) and PEDOT:PSS conducting polymer for the use as flexible and transparent electrodes. Compared to ITO or the single material of AgNW or PEDOT:PSS, the AgNW/PEDOT:PSS composite electrode showed high electrical conductivity with a low sheet resistance of 26.8 Ω/sq at 91% transmittance (at 550 nm), improves surface smoothness, and enhances mechanical properties assisted by an amphiphilic fluoro-surfactant. The polymeric light-emitting diodes (PLEDs) and organic solar cells (OSCs) using the AgNW/PEDOT:PSS composite electrode showed higher device performances than those with AgNW and PEDOT:PSS electrodes and excellent flexibility under bending test. These results indicates that the AgNW/PEDOT:PSS composite presented is a good candidate as next-generation transparent elelctrodes for applications into flexible optoelectronic devices. [Figure not available: see fulltext.]