Abstract
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.
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