Synthesis of Ni base nanoparticles by W/O emulsion combustion

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Kobayashi Jun; Kobayashi Noriyuki; Itaya Yoshinori; Hasatani Masanobu

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Journal Paper

Paper Information

Journal: JOURNAL OF NANOSTRUCTURE IN CHEMISTRY Year:2019 | Volume:9 | Issue:3 Page(s): 189-195

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Title

Synthesis of Ni base nanoparticles by W/O emulsion combustion

Author(s)

Kobayashi Jun | Kobayashi Noriyuki | Itaya Yoshinori | Hasatani Masanobu | Issue Writer Certificate

Keywords

Nickel oxide nanoparticle ·

W/O emulsion ·

Spray combustion ·

Ultrasonic homogenizer

Abstract

To develop a process of fine particle production by spray pyrolysis, spray combustion of W/O (water-in-oil) emulsion, of which water phase was raw material solution and oil phase was fuel for heat source of high-temperature reaction field, was investigated. In this study, nickel oxide particles, which were a preliminary step of the nickel fine particle production, were synthesized and its structural characteristics were evaluated. Mixed solution of nickel nitrate and white kerosene was used as raw material. W/O emulsions were prepared using Ultrasonic homogenizer and stirring these raw materials adding a surfactant. These emulsions were burning in a high temperature furnace to produce nickel oxide particles. The mean particle diameter of produced particles was less than 20 nm according to TEM observation. The diameter of the particles was much smaller than the estimated value based on the size distribution of dispersed solution phase in the emulsions and its concentration. Moreover, there is no effect of the concentration of the aqueous solution phase. On the other hand, X-ray diffraction pattern showed that the produced particles were complex of metal nickel with nickel oxide.

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APA: Copy

Kobayashi, Jun, Kobayashi, Noriyuki, Itaya, Yoshinori, & Hasatani, Masanobu. (2019). Synthesis of Ni base nanoparticles by W/O emulsion combustion. JOURNAL OF NANOSTRUCTURE IN CHEMISTRY, 9(3), 189-195. SID. https://sid.ir/paper/333384/en

Vancouver: Copy

Kobayashi Jun, Kobayashi Noriyuki, Itaya Yoshinori, Hasatani Masanobu. Synthesis of Ni base nanoparticles by W/O emulsion combustion. JOURNAL OF NANOSTRUCTURE IN CHEMISTRY[Internet]. 2019;9(3):189-195. Available from: https://sid.ir/paper/333384/en

IEEE: Copy

Jun Kobayashi, Noriyuki Kobayashi, Yoshinori Itaya, and Masanobu Hasatani, “Synthesis of Ni base nanoparticles by W/O emulsion combustion,” JOURNAL OF NANOSTRUCTURE IN CHEMISTRY, vol. 9, no. 3, pp. 189–195, 2019, [Online]. Available: https://sid.ir/paper/333384/en

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