Effective passivation of Ag nanowire-based flexible transparent conducting electrode by TiO2 nanoshell

Silver nanowire-based flexible transparent electrodes have critical problem, in spite of their excellent electrical and optical properties, that the electrical conductance and transparency degrade within several days in air because of oxidation of silver. To prevent the degradation of the silver nan...

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Bibliographic Details
Published in:Nano convergence 2016, 3(20), , pp.1-7
Main Authors: Lee, Dong Geon, Lee, Dongjun, Yoo, Jin Sun, Lee, Sangwook, Jung, Hyun Suk
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Materials Science
Nanoscale Science and Technology
Nanotechnology
Nanotechnology and Microengineering
고분자공학
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Summary:Silver nanowire-based flexible transparent electrodes have critical problem, in spite of their excellent electrical and optical properties, that the electrical conductance and transparency degrade within several days in air because of oxidation of silver. To prevent the degradation of the silver nanowire, we encapsulated Ag-NWs with thin TiO 2 barrier. Bar-coated silver nanowires on flexible polymer substrate were laminated at 120 °C, followed by atomic layer deposition of TiO 2 nanoshell. With 20 nm of TiO 2 nanoshells on silver nanowires, the transparent electrode keeps its electrical and optical properties over 2 months. Moreover, the TiO 2 -encapsulated silver nanowire-based transparent electrodes exhibit excellent bending durability.
ISSN:2196-5404
2196-5404
DOI:10.1186/s40580-016-0080-z