Formation of Hollow Zinc Oxide by Oxidation and Subsequent Thermal Treatment |
| Journal |
Solid State Phenomena (Volume 135) |
| Volume |
Nanocomposites and Nanoporous Materials VIII |
| Edited by |
Chang Kyu Rhee |
| Pages |
11-14 |
| DOI |
10.4028/www.scientific.net/SSP.135.11 |
| Online since |
February, 2008 |
| Authors |
Jung Goo Lee,
Ryusuke Nakamura,
Daisuke Tokozakura,
Hideo Nakajima,
Hirotaro Mori,
Jong Hoon Lee
|
| Keywords |
Evaporation, Hollow, In Situ TEM, Oxidation, Zinc Oxide ZnO |
| Abstract |
The formation of hollow zinc oxide has been studied by oxidation and subsequent
thermal treatment of nanometer-sized zinc particles using in-situ TEM. The zinc particles produced
under UHV condition were exposed to air at room temperature for 0.6 ks, which resulted in the
formation of oxide layer with thickness of 3 nm. Subsequent heating inside UHV chamber of TEM
induced the evaporation of the inner zinc, which resulted in the formation of hollow zinc oxide. The
produced hollow zinc oxide had the wurtzite structure. Based upon the vapor pressure of the inner
zinc, it seems reasonable to consider that the internal zinc vapor leaks away through the interface
between the oxide layer and the amorphous carbon film used as a supporting substrate. |
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