Biotemplate synthesis of monodispersed iron phosphate hollow microspheres.

Abstract:

:Monodispersed iron phosphate hollow microspheres with a high degree of crystallization were prepared through a facile in situ deposition method using rape pollen grains as a biotemplate. The functional group on the surface of the pollen grains could adsorb Fe(3+), which provided the nucleation sites for growth of iron phosphate nanoparticles. After being sintered at 600 degrees C for 10 h, the pollen grains were removed and iron phosphate hollow microspheres were obtained. A scanning electron microscope and x-ray diffraction were applied to characterize the morphology and crystalline structure of the pollen grains, iron phosphate-coated pollen grains and iron phosphate hollow microspheres. Differential scanning calorimetry and thermogravity analyses were performed to investigate the thermal behavior of the iron phosphate-coated pollen grains during the calcinations. Energy dispersive spectroscopy and Fourier transform infrared spectroscopy were utilized to investigate the interaction between the pollen grains and iron phosphate. The effect of the pollen wall on the surface morphology of these iron phosphate hollow microspheres was also proven in this work.

journal_name

Bioinspir Biomim

authors

Cao F,Li D

doi

10.1088/1748-3182/5/1/016005

subject

Has Abstract

pub_date

2010-03-01 00:00:00

pages

16005

issue

1

eissn

1748-3182

issn

1748-3190

pii

S1748-3182(10)43333-5

journal_volume

5

pub_type

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