Characterization of Rod-like High-purity Fluorapatite Nanopowders Obtained by Sol-gel Method

Sasani, Nasrin; Khadivi Ayask, Heydar; Zebarjad, Seyed Mojtaba; Vahdati Khaki, Jalil

doi:10.7508/jufgnsm.2013.01.005

Characterization of Rod-like High-purity Fluorapatite Nanopowders Obtained by Sol-gel Method

Document Type : Research Paper

Authors

Nasrin Sasani

Heydar Khadivi Ayask

Seyed Mojtaba Zebarjad

Jalil Vahdati Khaki

Department of Materials Science and Engineering, Engineering Faculty, Ferdowsi University of Mashhad, Mashhad, Iran

10.7508/jufgnsm.2013.01.005

Abstract

high purity fluorapatite (FA) with rod-like and spherical-like morphology was synthesized via sol-gel method. Chemical characterization of FA powders was done by XRD and FTIR analyses. Crystallite samples were calculated using Scherer method. Morphology of FA powders was investigated with TEM and SEM images. The results revealed that increasing the time of hydrolysis of phosphate sols significantly decreased the gelation time of FA sols. Also, mixing temperature of P and Ca sols affects the gelation time of samples and increasing pH decreases the gelation time of FA sols. Morphological and chemical characterization of samples showed that the FA powders have high purity and rod-like and spherical-like morphology.

Keywords

Fluorapatite

Sol-gel

Rod-like

High-purity

Nanopowders