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Copper Nanowire-Graphene Core-Shell Nanostructure for Highly Stable Transparent Conducting Electrodes
- Copper Nanowire-Graphene Core-Shell Nanostructure for Highly Stable Transparent Conducting Electrodes
- Ahn, Yumi; Jeong, Youngjun; Lee, Donghwa; Lee, Youngu
- DGIST Authors
- Lee, Youngu
- Issue Date
- ACS Nano, 9(3), 3125-3133
- Article Type
- Chemical Stability; Copper; Copper Nanowire; Copper Nanowires; Core-Shell; Core-Shell Nano Structures; Display Devices; Electrodes; Electron Microscopy; Flexible Displays; Flexible Solar Cells; Graphene; Heterojunctions; Low Temperature Plasmas; Nano-Structured Materials; Nano-Structures; Nanowires; Optical and Electrical Properties; Optoelectronic Devices; Plasma Enhanced Chemical Vapor Deposition; Polymer Solar Cell (PSC); Polymer Solar Cells (PSCs); Scanning Electron Microscopy; Shells (Structures); Solar Cells; Temperature; Tin Oxides; Transmission Electron Microscopy; Transparent Conducting Electrode; Transparent Conducting Electrodes; X Ray Diffraction; X Ray Photoelectron Spectroscopy
- A copper nanowire-graphene (CuNW-G) core-shell nanostructure was successfully synthesized using a low-temperature plasma-enhanced chemical vapor deposition process at temperatures as low as 400 °C for the first time. The CuNW-G core-shell nanostructure was systematically characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Raman, and X-ray photoelectron spectroscopy measurements. A transparent conducting electrode (TCE) based on the CuNW-G core-shell nanostructure exhibited excellent optical and electrical properties compared to a conventional indium tin oxide TCE. Moreover, it showed remarkable thermal oxidation and chemical stability because of the tight encapsulation of the CuNW with gas-impermeable graphene shells. The potential suitability of CuNW-G TCE was demonstrated by fabricating bulk heterojunction polymer solar cells. We anticipate that the CuNW-G core-shell nanostructure can be used as an alternative to conventional TCE materials for emerging optoelectronic devices such as flexible solar cells, displays, and touch panels. © 2015 American Chemical Society.
- American Chemical Society
- Related Researcher
Organic & Printed Electronics Laboratory(OPEL)
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- Department of Energy Science and EngineeringOrganic & Printed Electronics Laboratory(OPEL)1. Journal Articles
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