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

Edwin Goh, Xiaoxue Xu, Paul Mccormick

    Research output: Contribution to journalArticlepeer-review

    219 Citations (Scopus)

    Abstract

    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. © 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)49-52
    JournalScripta Materialia
    Volume78-79
    DOIs
    Publication statusPublished - 2014

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