Morphology and size dependence of silver microstructures in fatty salts-assisted multiphoton photoreduction microfabrication

Yao Yu Cao, Xian Zi Dong, Nobuyuki Takeyasu, Takuo Tanaka, Zhen Sheng Zhao, Xuan Ming Duan, Satoshi Kawata

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

The morphology and size dependence of silver microstructures in a novel microfabrication process, fatty salts-assisted multiphoton photoreduction (MPR), were investigated by using the fatty salts with different carbon chain lengths (C n : n=4,5,7,9) under varied powers and irradiation times of a femtosecond near-infrared laser with the wavelength of 800 nm. Not only the feature size of the silver structures was reduced but also the surface smoothness was improved by increasing the chain length of the fatty salts. The highest resolution of a silver line was obtained to be 285 nm, which exceeded the diffraction limit. The fatty salts-assisted MPR microfabrication approach would provide an efficient protocol for fabricating metallic micro/nanostructures with fine morphology and size and could play an important role in the fabrication of the metallic micro/nanostructures for applications in photonics and electronics as well as in sensors.

Original languageEnglish
Pages (from-to)453-458
Number of pages6
JournalApplied Physics A: Materials Science and Processing
Volume96
Issue number2
DOIs
Publication statusPublished - Aug 1 2009
Externally publishedYes

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Microfabrication
Silver
Salts
Microstructure
Chain length
Nanostructures
Infrared lasers
Photonics
Electronic equipment
Carbon
Diffraction
Irradiation
Fabrication
Wavelength
Sensors

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)

Cite this

Morphology and size dependence of silver microstructures in fatty salts-assisted multiphoton photoreduction microfabrication. / Cao, Yao Yu; Dong, Xian Zi; Takeyasu, Nobuyuki; Tanaka, Takuo; Zhao, Zhen Sheng; Duan, Xuan Ming; Kawata, Satoshi.

In: Applied Physics A: Materials Science and Processing, Vol. 96, No. 2, 01.08.2009, p. 453-458.

Research output: Contribution to journalArticle

Cao, Yao Yu ; Dong, Xian Zi ; Takeyasu, Nobuyuki ; Tanaka, Takuo ; Zhao, Zhen Sheng ; Duan, Xuan Ming ; Kawata, Satoshi. / Morphology and size dependence of silver microstructures in fatty salts-assisted multiphoton photoreduction microfabrication. In: Applied Physics A: Materials Science and Processing. 2009 ; Vol. 96, No. 2. pp. 453-458.
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