용매열 합성법에 의한 니켈 분말 합성 및 특성

박찬; 배동식; Chan Park; Dong-Sik Bae

Korean Journal of Materials Research, Vol.26, No.5, 246-249, May, 2016

DOI10.3740/MRSK.2016.26.5.246 Export Citation

용매열 합성법에 의한 니켈 분말 합성 및 특성

Synthesis and Characterization of Nickel Powders by a Solvothermal Processing

박찬, 배동식^†

국립창원대학교 메카트로닉스대학 나노신소재공학부

Chan Park, and Dong-Sik Bae^†

Department of Advanced Materials Science and Engineering, Changwon National University, 20 Changwon-daero, Uichanggu, Changwon, Gyeonnam 51140, Republic of Korea

E-mail:

Nickel powders were prepared under solvothermal condition by precipitation from metal nitrates with aqueous ammonium hydroxide. The powders were obtained at in a temperature range of 190-250 ℃ for 6h. The morphology and size of nickel powders were studied as a function of reaction temperature. The synthesis of nickel crystalline particles is possible under a solvothermal conditions in ethylene glycol solution. Characterization of the synthesized nickel powders were studied by XRD, SEM(FE-SEM) and TG/DSC. X-ray diffraction analysis of the synthesized powders indicated the formation of nickel structure after reaction. The average crystalline sizes of the synthesized nickel powders were in the range of 200-1000 nm; the distribution of the powders was broad. The shape of the synthesized nickel particles was almost spherical. The morphology of synthesized nickel powders changed with reaction condition. It was possible to synthesize nickel powders directly in ethylene glycol without reducing agent.

Keywords:nickel;solvothermal processing;nano powders;spherical shape

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[6] Wang DP, Sun DB, Yu HY, Meng HM, J. Cryst. Growth, 310(6), 1195 (2008)

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[13] Denga XY, Chen Z, Mater. Lett., 58, 276 (2004)