会议论文详细信息
2017 2nd International Conference on Advanced Materials Research and Manufacturing Technologies
Fabrication and Characterization of Carbonized Rice Husk/Barium Titanate Nanocomposites
材料科学;机械制造
Melvin, G.J.H.^1 ; Wang, Z.^2 ; Ni, Q.-Q.^3 ; Siambun, N.J.^1 ; Rahman, M.M.^1
Faculty of Engineering, Universiti Malaysia Sabah, Jalan UMS, Sabah, Kota Kinabalu
88400, Malaysia^1
Institute of Carbon Science and Technology, Shinshu University, 4-17-1 Wakasato, Nagano
380-8553, Japan^2
Department of Functional Machinery and Mechanics, Shinshu University, 3-15-1 Tokida, Ueda
386-8576, Japan^3
关键词: Average crystalline size;    Barium titanates (BTO);    Carbonization process;    Carbonized rice husks;    Carbonized rice husks (CRH);    Fabrication and characterizations;    Raman measurements;    Scanning transmission electron microscopy;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/229/1/012024/pdf
DOI  :  10.1088/1757-899X/229/1/012024
学科分类:材料科学(综合)
来源: IOP
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【 摘 要 】

Carbon materials were prepared by carbonizing rice husk (RHs) at 2500°C. Few- and multi-layer graphene were obtained from this carbonization process. Barium titanate (BTO) nanoparticles were fabricated by using sol-gel method. Then, the BTO nanoparticles were grafted onto the surface of carbonized rice husk (CRH) to fabricate CRH/BTO nanocomposites. The nanocomposites were characterized using scanning transmission electron microscopy (STEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Raman measurement, and X-ray photoelectron spectroscopy (XPS). Based on the broadening of (1 1 0) peak from XRD result, the average crystalline size of BTO nanoparticles were calculated to be 16.5 nm. Coexistence of cubic and tetragonal phase of BTO nanoparticles is expected, based on the XRD and Raman results. From XPS result, carbon, barium, titanium, and oxygen peaks were also observed. The combination of CRH with BTO can integrate the properties of these two components to form nanocomposites for broad applications.

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