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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Mccluskey, Matthew
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023Photoluminescence of Cr3+ in β-Ga2O3 and (Al0.1Ga0.9)2O3 under pressurecitations
- 2023Room-Temperature Persistent Photoconductivity in Barium Calcium Titanatecitations
- 2023Photoluminescence spectroscopy of Cr3+ in β-Ga2O3 and (Al0.1Ga0.9)2O3citations
- 2022Growth and defect characterization of doped and undoped β-Ga2O3 crystalscitations
- 2015Large Persistent Photoconductivity in Strontium Titanate at Room Temperaturecitations
- 2014Persistent Photoconductivity in Bulk Strontium Titanate
- 2009Dopants in nanoscale ZnO
- 2005Infrared Spectroscopy of Impurities in ZnO Nanoparticlescitations
- 2005Hydrogen Donors in ZnOcitations
- 2004Infrared Spectroscopy of Hydrogen in ZnOcitations
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document
Infrared Spectroscopy of Impurities in ZnO Nanoparticles
Abstract
<jats:title>Abstract</jats:title><jats:p>Semiconductor nanoparticles have a range of potential applications in electronic, optoelectronic and spintronic devices. Zinc oxide (ZnO), a wide-bandgap semiconductor, has emerged as an important material for such applications. In this work, impurities in ZnO nanoparticles were investigated with infrared (IR) spectroscopy, and the results show the presence of CO<jats:sub>2</jats:sub> impurities in ZnO nanoparticles. Isotopic substitution was used to verify the frequency assignment and the results demonstrate conclusively that the impurities originate from the precursors. Isochronal annealing experiments were performed to study the formation and stability of the CO<jats:sub>2</jats:sub> molecules. In addition to unintentional CO<jats:sub>2</jats:sub> impurities, we intentionally introduced hydrogen into ZnO nanoparticles. Our results show that post-growth annealing in hydrogen dramatically changes IR transmission, reflection and electrical properties of the nanoparticles.</jats:p>