Abstract
The properties of ZnO tetrapod and multipod structures were investigated using scanning electron microscopy, x-ray diffraction, photoluminescence (PL), and electron paramagnetic resonance (EPR) spectroscopy. While there is relationship between g=1.96 EPR and green PL in some of the samples, this is not the case for all the samples. Therefore, the commonly assumed transition between a singly charged oxygen vacancy and photoexcited hole [K. Vanheusden, C. H. Seager, W. L. Warren, D. R. Tallant, and J. A. Voigt, Appl. Phys. Lett. 68, 403 (1996)] does not explain the green emission in all ZnO samples. The green emission likely originates from surface defects.
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Dates
Type | When |
---|---|
Created | 21 years, 5 months ago (April 1, 2004, 6:04 p.m.) |
Deposited | 1 year, 7 months ago (Feb. 3, 2024, 9:51 p.m.) |
Indexed | 1 month, 2 weeks ago (July 23, 2025, 8:47 a.m.) |
Issued | 21 years, 5 months ago (April 5, 2004) |
Published | 21 years, 5 months ago (April 5, 2004) |
Published Print | 21 years, 5 months ago (April 5, 2004) |
@article{Djuri_i__2004, title={Visible photoluminescence in ZnO tetrapod and multipod structures}, volume={84}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1695633}, DOI={10.1063/1.1695633}, number={14}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Djurišić, Aleksandra B. and Leung, Yu Hang and Choy, Wallace C. H. and Cheah, Kok Wai and Chan, Wai Kin}, year={2004}, month=apr, pages={2635–2637} }