Morphology of metallic nanoparticles as a function of deposition time in electroless deposition of metal on multi-walled carbon nanotubes

Jeong Hoon Byeon, Jungho Hwang

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Morphology of silver (or copper) nanoparticles as a function of deposition time was examined in electroless deposition of metal on multi-walled carbon nanotubes (MWCNTs). Silver (or copper) deposited MWCNTs were prepared using successively, surface oxidation, tin-palladium activation, hydrochloric acid-acceleration, and ELD of silver (or copper). The results show that nanoparticles of face-centered cubic silver (or copper) were deposited initially on the interior surface of a MWCNT (~ 50 nm in inner diameter) but later on its exterior surface. The percentage silver (or copper) in the coated MWCNTs increased from 7.0 (6.7) to 28.2 (25.5) wt.% by weight for a deposition time ranging from 3 to 10 min. The average diameter of silver (copper) nanoparticles increased from 1.3 (1.1) to 2.6 (2.3) nm, while the surface area and pore volume decreased from 261 to 144 (81) m2/g and from 1.02 to 0.38 (0.27) cm3/g, respectively. However, there was no silver deposition on the interior surface of a thin-MWCNT (~ 5 nm in inner diameter) observed because the capillarity decreases with decreasing tube diameter.

Original languageEnglish
Pages (from-to)357-363
Number of pages7
JournalSurface and Coatings Technology
Volume203
Issue number3-4
DOIs
Publication statusPublished - 2008 Nov 25

Fingerprint

electroless deposition
Carbon Nanotubes
Electroless plating
Silver
Carbon nanotubes
Metals
carbon nanotubes
silver
Copper
Nanoparticles
nanoparticles
copper
metals
Tin
Hydrochloric Acid
Capillarity
hydrochloric acid
Palladium
Hydrochloric acid
palladium

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

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abstract = "Morphology of silver (or copper) nanoparticles as a function of deposition time was examined in electroless deposition of metal on multi-walled carbon nanotubes (MWCNTs). Silver (or copper) deposited MWCNTs were prepared using successively, surface oxidation, tin-palladium activation, hydrochloric acid-acceleration, and ELD of silver (or copper). The results show that nanoparticles of face-centered cubic silver (or copper) were deposited initially on the interior surface of a MWCNT (~ 50 nm in inner diameter) but later on its exterior surface. The percentage silver (or copper) in the coated MWCNTs increased from 7.0 (6.7) to 28.2 (25.5) wt.{\%} by weight for a deposition time ranging from 3 to 10 min. The average diameter of silver (copper) nanoparticles increased from 1.3 (1.1) to 2.6 (2.3) nm, while the surface area and pore volume decreased from 261 to 144 (81) m2/g and from 1.02 to 0.38 (0.27) cm3/g, respectively. However, there was no silver deposition on the interior surface of a thin-MWCNT (~ 5 nm in inner diameter) observed because the capillarity decreases with decreasing tube diameter.",
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