Shape transformation of ZnO nanorods /nanotubes at low temperature

Brahma Sanjaya, K. K. Nanda, S. A. Shivashankar

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We report the shape transformation of ZnO nanorods/nanotubes at temperatures (~700 °C) much lower than the bulk melting temperature (1975 °C). With increasing annealing temperature, not only does shape transformation take place but the luminescence characteristics of ZnO are also modified. It is proposed that the observed shape transformation is due to surface diffusion, contradicting the previously reported notion of melting and its link to luminescence. Luminescence in the green-to-red region is observed when excited with a blue laser, indicating the conversion of blue to white light.

Original languageEnglish
Pages (from-to)156-160
Number of pages5
JournalCurrent Nanoscience
Volume8
Issue number1
DOIs
Publication statusPublished - 2012 Feb 1

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Bioengineering
  • Medicine (miscellaneous)
  • Biomedical Engineering
  • Pharmaceutical Science

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