Monodisperse nanoparticle synthesis by an atmospheric pressure plasma process: An example of a visible light photocatalyst

Hsun-Ling Bai; Chienchih Chen; Chiahsin Lin; Walter Den; Chungliang Chang

doi:10.1021/ie049815x

Monodisperse nanoparticle synthesis by an atmospheric pressure plasma process: An example of a visible light photocatalyst

Hsun-Ling Bai^*, Chienchih Chen, Chiahsin Lin, Walter Den, Chungliang Chang

^*Corresponding author for this work

Institute of Environmental Engineering

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

An atmospheric pressure plasma-enhanced nanoparticle synthesis (APPENS) process was proposed to produce a titania-based visible light photocatalyst. The titanium tetraisopropoxide (TTIP) precursor was vaporized with a N₂ carrier gas and entered a nonthermal AC plasma system. The N₂ gas was dissociated into N atoms by the plasma energy, and then they were doped into the precursor vapors. The produced TiO_2-xN_x nanoparticles were highly uniform and adjustable in size. The titania-based particle sizes ranged from 25 to 40 nm, and they depended on the precursor ratio of TTIP/H ₂O. In addition to producing the photocatalytic particles, the APPENS process has a potential application as a continuous-flow nanosize monodisperse aerosol generator.

Original language	English
Pages (from-to)	7200-7203
Number of pages	4
Journal	Industrial and Engineering Chemistry Research
Volume	43
Issue number	22
DOIs	https://doi.org/10.1021/ie049815x
State	Published - 27 Oct 2004

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title = "Monodisperse nanoparticle synthesis by an atmospheric pressure plasma process: An example of a visible light photocatalyst",

abstract = "An atmospheric pressure plasma-enhanced nanoparticle synthesis (APPENS) process was proposed to produce a titania-based visible light photocatalyst. The titanium tetraisopropoxide (TTIP) precursor was vaporized with a N2 carrier gas and entered a nonthermal AC plasma system. The N2 gas was dissociated into N atoms by the plasma energy, and then they were doped into the precursor vapors. The produced TiO2-xNx nanoparticles were highly uniform and adjustable in size. The titania-based particle sizes ranged from 25 to 40 nm, and they depended on the precursor ratio of TTIP/H 2O. In addition to producing the photocatalytic particles, the APPENS process has a potential application as a continuous-flow nanosize monodisperse aerosol generator.",

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AU - Den, Walter

AU - Chang, Chungliang

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AB - An atmospheric pressure plasma-enhanced nanoparticle synthesis (APPENS) process was proposed to produce a titania-based visible light photocatalyst. The titanium tetraisopropoxide (TTIP) precursor was vaporized with a N2 carrier gas and entered a nonthermal AC plasma system. The N2 gas was dissociated into N atoms by the plasma energy, and then they were doped into the precursor vapors. The produced TiO2-xNx nanoparticles were highly uniform and adjustable in size. The titania-based particle sizes ranged from 25 to 40 nm, and they depended on the precursor ratio of TTIP/H 2O. In addition to producing the photocatalytic particles, the APPENS process has a potential application as a continuous-flow nanosize monodisperse aerosol generator.

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