In situ observation of the formation of hollow zinc oxide shells
Abstract
Single crystal zinc particles, 1–2 μm1–2 μm in diameter, were observed in situ with transmission electron microscopy during sublimation. The rate of sublimation is strongly dependent on the presence of a surface oxide layer. Near 375°, minimally oxidized Zn surfaces sublime in tens of seconds, consistent with a model in which the particle behaves similarly to an isolated microscale effusion cell. By contrast, zinc particles fully enclosed by oxide sublime less than one-tenth as quickly. Here these results provide new insight into the synthesis mechanisms of hollow ZnO microspheres and related structures formed from metallic zinc at elevated temperatures.
- Authors:
-
- Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, California 94550, USA
- Epimedia, Inc., 42 Norman Ct, Walnut Creek, California 94595, USA
- Publication Date:
- Research Org.:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1114983
- Alternate Identifier(s):
- OSTI ID: 1376042
- Report Number(s):
- LLNL-JRNL-418838
Journal ID: ISSN 0003-6951
- Grant/Contract Number:
- AC52-07NA27344
- Resource Type:
- Published Article
- Journal Name:
- Applied Physics Letters
- Additional Journal Information:
- Journal Name: Applied Physics Letters Journal Volume: 98 Journal Issue: 24; Journal ID: ISSN 0003-6951
- Publisher:
- American Institute of Physics
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Tringe, J. W., Levie, H. W., El-Dasher, B. S., Swift, R., and Wall, M. A. In situ observation of the formation of hollow zinc oxide shells. United States: N. p., 2011.
Web. doi:10.1063/1.3598436.
Tringe, J. W., Levie, H. W., El-Dasher, B. S., Swift, R., & Wall, M. A. In situ observation of the formation of hollow zinc oxide shells. United States. https://doi.org/10.1063/1.3598436
Tringe, J. W., Levie, H. W., El-Dasher, B. S., Swift, R., and Wall, M. A. Mon .
"In situ observation of the formation of hollow zinc oxide shells". United States. https://doi.org/10.1063/1.3598436.
@article{osti_1114983,
title = {In situ observation of the formation of hollow zinc oxide shells},
author = {Tringe, J. W. and Levie, H. W. and El-Dasher, B. S. and Swift, R. and Wall, M. A.},
abstractNote = {Single crystal zinc particles, 1–2 μm1–2 μm in diameter, were observed in situ with transmission electron microscopy during sublimation. The rate of sublimation is strongly dependent on the presence of a surface oxide layer. Near 375°, minimally oxidized Zn surfaces sublime in tens of seconds, consistent with a model in which the particle behaves similarly to an isolated microscale effusion cell. By contrast, zinc particles fully enclosed by oxide sublime less than one-tenth as quickly. Here these results provide new insight into the synthesis mechanisms of hollow ZnO microspheres and related structures formed from metallic zinc at elevated temperatures.},
doi = {10.1063/1.3598436},
journal = {Applied Physics Letters},
number = 24,
volume = 98,
place = {United States},
year = {Mon Jun 13 00:00:00 EDT 2011},
month = {Mon Jun 13 00:00:00 EDT 2011}
}
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https://doi.org/10.1063/1.3598436
https://doi.org/10.1063/1.3598436
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Cited by: 3 works
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