Issue 22, 2012

Laser patterning of conductive gold micronanostructures from nanodots

Abstract

Gold nanodots were used as the precursory material to form micronanopatterns under pinpoint scanning by a tightly focused femtosecond laser beam. Different from the widely reported metal ions photoreduction mechanism, here gradient force in an optical trap generated around the laser focus is considered as the major mechanism for particle accumulation (focusing). It has been proven to be an effective method for gold micronanostructure fabrication, and the electronic resistivity of the resulting metals reached as high as 5.5 × 10−8 Ω m, only twice that of the bulk material (2.4 × 10−8 Ω m). This merit makes it a novel free interconnection technology for micronanodevice fabrication.

Graphical abstract: Laser patterning of conductive gold micronanostructures from nanodots

Supplementary files

Article information

Article type
Communication
Submitted
25 Jun 2012
Accepted
26 Aug 2012
First published
28 Aug 2012

Nanoscale, 2012,4, 6955-6958

Laser patterning of conductive gold micronanostructures from nanodots

B. Xu, R. Zhang, H. Wang, X. Liu, L. Wang, Z. Ma, Q. Chen, X. Xiao, B. Han and H. Sun, Nanoscale, 2012, 4, 6955 DOI: 10.1039/C2NR31614E

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