Open AccessMultiphoton laser direct writing of two-dimensional silver structures
Author(s) -
Tommaso Baldacchini,
Anne-Cécile Pons,
Josefina Pons,
Christopher N. LaFratta,
John T. Fourkas,
Yong Sun,
Michael Naughton
Publication year - 2005
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/opex.13.001275
Subject(s) - materials science , silver nitrate , silver nanoparticle , laser , optics , polyvinylpyrrolidone , diffraction , sapphire , scanning electron microscope , thin film , diffraction grating , substrate (aquarium) , optoelectronics , grating , nanotechnology , nanoparticle , chemistry , physics , oceanography , geology , polymer chemistry , composite material , nuclear chemistry
We report a novel and efficient method for the laser direct writing of two-dimensional silver structures. Multiphoton absorption of a small fraction of the output of a Ti:sapphire oscillator is sufficient to photoreduce silver nitrate in a thin film of polyvinylpyrrolidone that has been spin-coated on a substrate. The polymer can then be washed away, leaving a pattern consisting of highly interconnected silver nanoparticles. We report the characterization of the silver patterns using scanning electron and atomic force microscopies, and demonstrate the application of this technique in the creation of diffraction gratings.