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Conversion of Calcined Eggshells into Flower-Like Hydroxyapatite Agglomerates by Solvothermal Method Using Hydrogen Peroxide/N,N-Dimethylformamide Mixed Solvents

Authors

  • Songnan Li,

    1. College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, China
    2. The Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin, China
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  • Jun Wang,

    Corresponding author
    1. The Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin, China
    2. The Institute of Advanced Marine Materials, Harbin Engineering University, Harbin, China
    • College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, China
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  • Xiaoyan Jing,

    1. College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, China
    2. The Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin, China
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  • Qi Liu,

    1. College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, China
    2. The Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin, China
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  • Jamil Saba,

    1. College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, China
    2. The Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin, China
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  • Tom Mann,

    1. The Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin, China
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  • Milin Zhang,

    1. College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin, China
    2. The Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin, China
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  • Hao Wei,

    1. The Institute of Advanced Marine Materials, Harbin Engineering University, Harbin, China
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  • Rongrong Chen,

    1. The Institute of Advanced Marine Materials, Harbin Engineering University, Harbin, China
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  • Lianhe Liu

    1. The Institute of Advanced Marine Materials, Harbin Engineering University, Harbin, China
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Author to whom correspondence should be addressed. e-mail: zhqw1888@sohu.com

Abstract

Flower-like hydroxyapatite (HA) was prepared by a solvothermal method using calcined eggshells as calcium source and hydrogen peroxide/N,N-dimethylformamide (DMF) as solvent. The products are characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and Scanning electron microscopy (SEM). All the above-mentioned instrumental analysis such as XRD and FT-IR showed the purity of HA. The SEM indicates that the as-obtained flower-like HA are composed of microsheets. These nanosheets interleaved each other to form the uniform flower-like morphology. The influence of precipitation temperature and ratio of hydrogen peroxide to DMF were systematically investigated by SEM analysis.

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