Abstract
We show three-dimensional silver microstructures with a submicron scale linewidth fabricated via two-photon photoreduction of silver ions in a poly(N-vinylpyrrolidone) (PVP) matrix. Femtosecond laser at 508 nm directly excites the carbonyl group of PVP via two-photon excitation to reduce silver ions. Lone pair electrons in PVP stabilized silver ions and lower molecular weight of PVP prevented silver clusters growing larger. The effect of molecular weight of PVP on linewidth of silver nanowire is investigated.
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Tsutsumi, N., Nagata, K. & Sakai, W. Two-photon laser fabrication of three-dimensional silver microstructures with submicron scale linewidth. Appl. Phys. A 103, 421–426 (2011). https://doi.org/10.1007/s00339-011-6356-6
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DOI: https://doi.org/10.1007/s00339-011-6356-6