Green synthesis of magnesium ion incorporated nanocrystalline hydroxyapatite and their mechanical, dielectric and photoluminescence properties

Journal Article · Wed Jul 15 00:00:00 EDT 2015 · Materials Research Bulletin

DOI:https://doi.org/10.1016/J.MATERRESBULL.2015.02.054· OSTI ID:22475813

Arul, K. Thanigai; Kolanthai, Elayaraja ^[1]; Manikandan, E. ^[2]; Bhalerao, G. M. ^[3]; Chandra, V. Sarath; Ramya, J. Ramana ^[1]; Mudali, U. Kamachi ^[4]; Nair, K. G.M. ^[5]; Kalkura, S. Narayana ^[1]

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1. Crystal Growth Centre, Anna University, Chennai 600 025 (India)
2. Nanosciences African Network (NANO-AFNET), iThemba LABS-National Research Foundation (NRF), Materials Research Department, Cape Town, South Africa. (South Africa)
3. University Grants Commission – Department of Atomic Energy, Consortium for Scientific Research, Kalpakkam 603 104 (India)
4. Metallurgy and Materials Group, Indira Gandhi Centre for Atomic Research, Kalpakkam 603 102 (India)
5. Accelerator Material Science Section, Material Science Group, Indira Gandhi Centre for Atomic Research, Kalpakkam 603 102 (India)

Highlights: • Rapid technique to synthesize nanorods of magnesium ion incorporated hydroxyapatite. • Enhanced electrical and mechanical properties. • Improved photoluminescence and wettability on magnesium incorporation. • Increased in vitro bioactivity. - Abstract: Nanocrystalline hydroxyapatite (HAp-Ca{sub 10}(PO{sub 4}){sub 6}(OH){sub 2,} 35 nm) and magnesium (Mg{sup 2+}) ion incorporated HAp were synthesized by microwave technique. XRD (X-ray diffraction), FTIR (Fourier transform infrared spectroscopy), FE-HRTEM (Field emission high resolution transmission electron microscopy), DLS (dynamic light scattering), EDXRF (energy dispersive X-ray fluorescence spectrometry), microhardness, permittivity and alternating current (ac) conductivity, besides the PL (photoluminescence), wettability and in vitro bioactivity of the samples were analysed. EDXRF revealed the Mg{sup 2+} ion incorporation in HAp. The Mg{sup 2+} ion incorporation did not alter the phase but drastically reduced the crystallite size and particle size respectively by 48% and 32%. There was enhanced microhardness (24%) at low level (<13%) and decreased zeta potential of Mg{sup 2+} ion incorporation. The permittivity, ac conductivity, PL, wettability and in vitro bioactivity were enhanced on Mg{sup 2+} ion incorporation. These properties enable them to be a promising candidate for wound healing, bone replacement applications and also as a biosensor.

• OSTI ID: 22475813
• Journal Information: Materials Research Bulletin, Vol. 67; Other Information: Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); ISSN 0025-5408
• Country of Publication: United States
• Language: English

Related Subjects

77 NANOSCIENCE AND NANOTECHNOLOGY
APATITES
CERAMICS
CRYSTALS
DIELECTRIC MATERIALS
FLUORESCENCE SPECTROSCOPY
FOURIER TRANSFORM SPECTROMETERS
MAGNESIUM
MAGNESIUM IONS
MICROHARDNESS
NANOSTRUCTURES
PERMITTIVITY
PHOTOLUMINESCENCE
TRANSMISSION ELECTRON MICROSCOPY
WETTABILITY
X-RAY DIFFRACTION
X-RAY FLUORESCENCE ANALYSIS