Growth of single-crystalline sodium titanate and sodium tungstate one-dimensional nanostructures

Bio-inspired approach using oyster shell

Kyu Bock Lee, Seungwoo Lee, Seung Bin Park

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Using oyster shell, single-crystalline Na2Ti6O13 and Na2W4O13 one-dimensional nanostructures (ODNS) were simply synthesized from granular TiO2 and WO3 particles by thermal heating at 700 °C. The oyster shell was used as a source of both sodium and carbon dioxide, which have an effect on unidirectional growth of single-crystalline Na2Ti6O13 and Na2W4O13 from TiO2 and WO3. The growth of sodium metal oxide ODNS from metal oxide particles was reproduced by replacing oyster shell with chemical reagents (NaCl, CaCO3) or gas (CO2), allowing identification of the main factors for the growth of ODNS. The characteristics of biological material (i.e., oyster shell) lend certain advantages in the fabrication of sodium metal oxide ODNS: (a) low processing temperature with high yield; (b) an eco-friendly method; and (c) no requirement of additional processes such as separation or washing. This work suggests a new approach for using biological material for the crystal growth of nanostructured materials.

Original languageEnglish
Pages (from-to)4365-4370
Number of pages6
JournalJournal of Crystal Growth
Volume311
Issue number18
DOIs
Publication statusPublished - 2009 Sep 1

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tungstates
metal oxides
Nanostructures
Sodium
sodium
Oxides
Crystalline materials
Metals
Biological materials
washing
dioxides
reagents
carbon dioxide
crystal growth
Crystallization
Crystal growth
Nanostructured materials
Washing
Carbon Dioxide
Intercellular Signaling Peptides and Proteins

Keywords

  • A1. Recrystallization
  • A2. Single-crystal growth
  • Al. Nanostructures
  • B1. Sodium chloride
  • B1. Tungstates
  • B2. Phosphors

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Materials Chemistry
  • Inorganic Chemistry

Cite this

Growth of single-crystalline sodium titanate and sodium tungstate one-dimensional nanostructures : Bio-inspired approach using oyster shell. / Lee, Kyu Bock; Lee, Seungwoo; Park, Seung Bin.

In: Journal of Crystal Growth, Vol. 311, No. 18, 01.09.2009, p. 4365-4370.

Research output: Contribution to journalArticle

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