Journal
APPLIED PHYSICS LETTERS
Volume 98, Issue 13, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3565245
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- Air Force Office of Scientific Research [FA95500610398]
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We report an alternative approach to produce micropatterns of metallic nanoparticles using photothermal-reaction-assisted two-photon direct laser writing. The patterns are achieved using a facile surface treatment of silver nanoparticles (Ag NPs) functionalized with thermally cleavable ligands; N-(tert-butoxycarbonyl)-L-cysteine methyl ester. The ligand cleavage initiated by pulsed laser-induced thermal reaction results in a significant change in dispersiblility of the nanocrystals, thereby enabling a solvent-selective development process after photopatterning. We demonstrated that Ag NP patterns with submicron linewidths can be achieved using near infrared pulsed laser illumination. (C) 2011 American Institute of Physics. [doi:10.1063/1.3565245]
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