4.6 Article

Photoluminescent Properties of Hydroxyapatite and Hydroxyapatite/Multi-Walled Carbon Nanotube Composites

期刊

CRYSTALS
卷 11, 期 7, 页码 -

出版社

MDPI
DOI: 10.3390/cryst11070832

关键词

hydroxyapatite; multi-walled carbon nanotubes; composites; photoluminescence

资金

  1. Consejo Nacional de Ciencia y Tecnologia (CONACyT) [813372]
  2. Vicerrectoria de Investigacion y Estudios de Posgrado (VIEP) [100524279-VIEP2019]
  3. CONACyT program (Mexico) [136128]
  4. IUPAP-IUCr LAAMP within the ICSU Grants Programme 2016-2019

向作者/读者索取更多资源

Hydroxyapatite (HAp) and hydroxyapatite/multi-walled carbon nanotube (MWCNT) composites were prepared by the co-precipitation method and characterized using spectroscopic techniques. The composite with functionalized MWCNTs exhibited intense white emission under UV-vis radiation, suggesting potential applications.
Hydroxyapatite (HAp) and hydroxyapatite/multi-walled carbon nanotube (MWCNT) composites were obtained by the co-precipitation method, followed by ultrasound-assisted and microwave radiation and thermal treatment at 250 degrees C. X-ray diffraction (XRD) confirmed the presence of a hexagonal phase in all the samples, while Fourier-transform infrared (FTIR) spectroscopy elucidated the interaction between HAp and MWCNTs. The photoluminescent technique revealed that HAp and the composite with non-functionalized MWCNTs present a blue luminescence, while the composite with functionalized MWCNTs, under UV-vis radiation shows an intense white emission. These findings allowed presentation of a proposal for the use of HAp and HAp with functionalized MWCNTs as potential materials for optoelectronic and medical applications.

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