Effect of particle size on the UV absorbance of zinc oxide nanoparticles

E. G. Goh, X. Xu, P. G. McCormick*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

200 Citations (Scopus)


The effect of particle size on the UV absorption of zinc oxide nanoparticles has been investigated in the size range above the quantum limit. The results show that the absorbance increases with increasing size for particle sizes of 15-40 nm. The results are evaluated in terms of intrinsic particle absorption and the number concentration of particles. It is shown that the particles become opaque for particle sizes greater than 70 nm. For larger sizes the absorbance decreases with increasing size due to the decrease in particle concentration.

Original languageEnglish
Pages (from-to)49-52
Number of pages4
JournalScripta Materialia
Publication statusPublished - May 2014
Externally publishedYes


  • Modeling
  • Nanostructured materials
  • Simulation
  • UV absorbance
  • Zinc oxide


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