Journal
JOURNAL OF CLUSTER SCIENCE
Volume 23, Issue 3, Pages 649-659Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10876-012-0453-3
Keywords
Laser-excited; Photoluminescence; ZnO
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Funding
- Department of Science and Technology (DST), Government of India
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The role of defects on laser-excited photoluminescence of various ZnO nanostructures has been investigated. The study shows that defects present in ZnO nanostructures, specially Zn-related defects play a crucial role in determining the laser-excited photoluminescence intensity (LEI). ZnO nanoparticles as well as nanorods (NR) annealed in oxygen atmosphere exhibit remarkable enhancement in LEI. A similar enhancement is also shown by Al-doped ZnO NR.
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