Microwave treatment and pH influence on hydroxyapatite morphology and structure

A. Yudin, I. Ilinykh, K. Chuprunov, E. Kolesnikov, D. Kuznetsov, D. Leybo, A. Godymchuk

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Abstract

This paper reports the influence of microwave treatment duration and pH conditions of initial precursors on the morphological and crystalline dispersity of the hydroxyapatite (HAp) synthesized by hydrothermal method.The obtained HAp samples were studied by scanning electron microscopy, X-Ray diffraction method and low nitrogen adsorption method. We have obtained nanostructured crystalline hydroxyapatite with 95% crystallinity, porous structure and average particles size in interval 17...46 nm consolidated in aggregates with size distribution of 0.5...25 μm. The pH growth from 8 to 13 results in double increase of HAp specific area(from 69 up to 133 m2/g), meanwhile microwave irradiation brings to particles aggregation: HAp treated during 0... 10...30 min have specific surface are 112...67...41 m2/g, respectively. As a result at pH=13 and without microwave irradiation treatment we synthesized HAp with maximum surface compared to the surface of natural HAp that makes obtained HApto be promising material in biotechnological applications.

Original languageEnglish
Article number012003
JournalJournal of Physics: Conference Series
Volume1145
Issue number1
DOIs
Publication statusPublished - 9 Jan 2019
Event15th International Conference of Students and Young Scientists on Prospects of Fundamental Sciences Development, PFSD 2018 - Tomsk, Russian Federation
Duration: 24 Apr 201827 Apr 2018

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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