Dual wavelength two-photon absorption in two-beam laser direct writing silver nanowire and the conductivity enhancement

In this work, a phenomenon of dual wavelength two-photon absorption is found in the process of silver nanowire (AgNW) fabrication using the two-beam laser direct writing technique. The resistivity of the AgNW is decreased and stabilized by the electrical current Joule heating annealing process to 8....

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Veröffentlicht in:Applied physics letters 2017-06, Vol.110 (26)
Hauptverfasser: He, Gui-Cang, Zheng, Mei-Ling, Dong, Xian-Zi, Liu, Jie, Jin, Feng, Zhao, Zhen-Sheng
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Sprache:eng
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Zusammenfassung:In this work, a phenomenon of dual wavelength two-photon absorption is found in the process of silver nanowire (AgNW) fabrication using the two-beam laser direct writing technique. The resistivity of the AgNW is decreased and stabilized by the electrical current Joule heating annealing process to 8.0 × 10−8 Ω·m. The flexibility of the AgNW is very excellent because the resistance of the AgNW increased only about 2.2 Ω after the stretched bending and compressed bending. The two-beam laser direct writing technique not only could be used to fabricate conductive nanowire on flexible substrate but also helps to understand the process of two-photon absorption with dual wavelength photons.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4991000