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A method for large-scale synthesis of Al-doped TiO2 nanopowder using pulse-modulated induction thermal plasmas with time-controlled feedstock feeding
http://hdl.handle.net/2297/37535
http://hdl.handle.net/2297/375353ef0a25c-181c-4607-8d44-1e33ea5c86fd
名前 / ファイル | ライセンス | アクション |
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TE-PR-KODAMA-N-195304.pdf (972.4 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | A method for large-scale synthesis of Al-doped TiO2 nanopowder using pulse-modulated induction thermal plasmas with time-controlled feedstock feeding | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Kodama, Naoto
× Kodama, Naoto× Tanaka, Yasunori× Kita, K.× Uesugi, Yoshihiko× Ishijima, T.× Watanabe, S.× Nakamura, K. |
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書誌情報 |
Journal of Physics D: Applied Physics 巻 47, 号 19, p. 195304, 発行日 2014-05-14 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1361-6463 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12441235 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1088/0022-3727/47/19/195304 | |||||
出版者 | ||||||
出版者 | Institute of Physics Publishing | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A unique method of large-scale synthesis of Al-doped TiO2 nanopowder was developed, using 20kW Ar-O2 pulse-modulated induction thermal plasmas (PMITP) with time-controlled feedstock feeding (TCFF). This PMITP-TCFF method is characterized by intermittent feedstock powder feeding synchronized with modulation of the power of the PMITP. The method enables heavy-load feeding of raw material powder to the thermal plasmas for complete evaporation. The nanopowder synthesized was analysed using different methods including field emission scanning electron microscopy, x-ray diffraction (XRD) spectroscopy, bright-field transmission electron microscopy (TEM), TEM/energy dispersive x-ray (EDX) mapping, x-ray photoelectron spectroscopy, and spectrophotometry. The results showed that Al-doped TiO2 nanopowder can be synthesized with mean diameters of 50-60nm. The Al doping in TiO 2 was confirmed from the constituent structure in the XRD spectra, the uniform presence of Al in the nanopowder in the TEM/EDX mapping, the chemical shift in the x-ray photoelectron spectra, and the absorption edge shift in the optical properties. The rate of production of the Al-doped TiO 2 nanopowder was estimated as 400gh-1. © 2014 IOP Publishing Ltd. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |