Orientation-Selective Alignments of Hydroxyapatite Nanoblocks through Epitaxial Attachment in a and c Directions

Kazuki Nakamura, Yoshitaka Nakagawa, Hiroyuki Kageyama, Yuya Oaki, Hiroaki Imai

研究成果: Article査読

7 被引用数 (Scopus)

抄録

Nanometric rods of hydroxyapatite (HA) were aligned in selective crystallographic directions by the alternation of adsorbing molecules. The side and end faces of HA nanorods elongated in the c direction were covered with oleic acid (OA) and tetraoctylammonium (TOA) ions, respectively. Alignment in the c direction of the OA-modified nanorods was produced through epitaxial attachment of the bare end faces in toluene because the side faces were hydrophobized with the negatively charged modifier. Another alignment - in the a direction of the TOA-modified HA nanorods - was obtained through the epitaxial attachment of the bare side faces in ethanol due to stabilization of the end faces with the positively charged modifier. Controlled alignments of the nanorods in the a and c directions were achieved through oriented attachment with the selective coverage of the c and a faces with the specific modifiers.

本文言語English
ページ(範囲)4066-4070
ページ数5
ジャーナルLangmuir
32
16
DOI
出版ステータスPublished - 2016 5月 3

ASJC Scopus subject areas

  • 材料科学一般
  • 凝縮系物理学
  • 表面および界面
  • 分光学
  • 電気化学

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