期刊
RSC ADVANCES
卷 3, 期 28, 页码 11301-11308出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra23348k
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资金
- MPI-KG
- University of Potsdam
- Max Planck Institute of Colloids and Interfaces (Colloid Chemistry Department)
- Karlsruhe Nano Micro Facility
- German Research Council
Calcium phosphate nanofibers with a diameter of only a few nanometers and a cotton-ball-like aggregate morphology have been reported several times in the literature. Although fiber formation seems reproducible in a variety of conditions, the crystal structure and chemical composition of the fibers have been elusive. Using scanning transmission electron microscopy, low dose electron (nano) diffraction, energy-dispersive X-ray spectroscopy, and energy-filtered transmission electron microscopy, we have assigned crystal structures and chemical compositions to the fibers. Moreover, we demonstrate that the mineralization process yields true polymer/calcium phosphate hybrid materials where the block copolymer template is closely associated with the calcium phosphate.
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