Electrospray formation of ring-shaped silica nanoparticles

Kazuhiro Uchida, Kazuhiko Higashi, Koichi Hishida, Atsushi Hotta, Norihisa Miki

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Electrospray is one of the processes employed for the production of silica nanoparticles (NPs). We have experimentally determined that not only spherical but also ring-shaped NPs can be manufactured by electrospray, and that the shape of the NPs is dependent on ambient humidity and the substrate on which the NPs are deposited. Although the effect of humidity that reflects the evaporation characteristics of the suspension during flight has been reported, we have experimentally determined that the affinity of the sol suspension and the substrate play a crucial role in the formation of torus silica NPs.

Original languageEnglish
Article number020302
JournalJapanese Journal of Applied Physics
Volume54
Issue number2
DOIs
Publication statusPublished - 2015 Feb 1

Fingerprint

Silica
Nanoparticles
silicon dioxide
nanoparticles
rings
humidity
Atmospheric humidity
Substrates
Sols
affinity
Evaporation
evaporation
flight

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Electrospray formation of ring-shaped silica nanoparticles. / Uchida, Kazuhiro; Higashi, Kazuhiko; Hishida, Koichi; Hotta, Atsushi; Miki, Norihisa.

In: Japanese Journal of Applied Physics, Vol. 54, No. 2, 020302, 01.02.2015.

Research output: Contribution to journalArticle

Uchida, Kazuhiro ; Higashi, Kazuhiko ; Hishida, Koichi ; Hotta, Atsushi ; Miki, Norihisa. / Electrospray formation of ring-shaped silica nanoparticles. In: Japanese Journal of Applied Physics. 2015 ; Vol. 54, No. 2.
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