Study of Ag nanoparticles incorporated SnO2 transparent conducting films by photochemical metal-organic deposition

Hyuncheol Kim, Seok Joo Wang, Hyung-Ho Park, Ho Jung Chang, Hyeongtag Jeon, Ross Henry Hill

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Ag nanoparticles with a narrow size distribution were prepared by spontaneous reduction of Ag 2-ethylhexanoate in dimethyl sulfoxide. According to the incorporation content, SnO2 film transmittance was slightly reduced by light absorption of incorporated Ag nanoparticles. With incorporation of Ag nanoparticles, the crystallinity of the SnO2 films slightly decreased and the film sheet resistance improved. The valence band maximum of SnO2 films containing Ag nanoparticles indicated a shift towards the Fermi energy level, corresponding to an increase of electrons in the valence band from electron transfer from the Ag nanoparticles to the film. Direct-patterning of SnO2 films with Ag nanoparticles was produced without photoresist or dry etching. These results suggest a micro-patterned system can be simply fabricated with low cost and the electrical properties of the SnO2 films can be improved by incorporating Ag nanoparticles.

Original languageEnglish
Pages (from-to)198-202
Number of pages5
JournalThin Solid Films
Volume516
Issue number2-4
DOIs
Publication statusPublished - 2007 Dec 3

Fingerprint

Conductive films
Metals
Nanoparticles
conduction
nanoparticles
metals
Valence bands
valence
Dry etching
Dimethyl sulfoxide
Electrons
Sheet resistance
Photoresists
electromagnetic absorption
Dimethyl Sulfoxide
Fermi level
photoresists
Light absorption
Electron energy levels
crystallinity

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

Cite this

Kim, Hyuncheol ; Wang, Seok Joo ; Park, Hyung-Ho ; Chang, Ho Jung ; Jeon, Hyeongtag ; Hill, Ross Henry. / Study of Ag nanoparticles incorporated SnO2 transparent conducting films by photochemical metal-organic deposition. In: Thin Solid Films. 2007 ; Vol. 516, No. 2-4. pp. 198-202.
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Study of Ag nanoparticles incorporated SnO2 transparent conducting films by photochemical metal-organic deposition. / Kim, Hyuncheol; Wang, Seok Joo; Park, Hyung-Ho; Chang, Ho Jung; Jeon, Hyeongtag; Hill, Ross Henry.

In: Thin Solid Films, Vol. 516, No. 2-4, 03.12.2007, p. 198-202.

Research output: Contribution to journalArticle

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AU - Wang, Seok Joo

AU - Park, Hyung-Ho

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AU - Jeon, Hyeongtag

AU - Hill, Ross Henry

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AB - Ag nanoparticles with a narrow size distribution were prepared by spontaneous reduction of Ag 2-ethylhexanoate in dimethyl sulfoxide. According to the incorporation content, SnO2 film transmittance was slightly reduced by light absorption of incorporated Ag nanoparticles. With incorporation of Ag nanoparticles, the crystallinity of the SnO2 films slightly decreased and the film sheet resistance improved. The valence band maximum of SnO2 films containing Ag nanoparticles indicated a shift towards the Fermi energy level, corresponding to an increase of electrons in the valence band from electron transfer from the Ag nanoparticles to the film. Direct-patterning of SnO2 films with Ag nanoparticles was produced without photoresist or dry etching. These results suggest a micro-patterned system can be simply fabricated with low cost and the electrical properties of the SnO2 films can be improved by incorporating Ag nanoparticles.

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