![](/images/graphics-bg.png)
Void Structures in Regularly Patterned ZnO Nanorods Grown with the Hydrothermal Method
Joint Authors
Chang, Wen-Ming
Liao, Che-Hao
Kiang, Yean-Woei
Yang, C. C.
Yao, Yu-Feng
Shen, Chen-Hung
Chen, Wei-Fang
Shih, Pei-Ying
Chou, Wang-Hsien
Su, Chia-Ying
Chen, Horng-Shyang
Source
Issue
Vol. 2014, Issue 2014 (31 Dec. 2014), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2014-03-19
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Abstract EN
The void structures and related optical properties after thermal annealing with ambient oxygen in regularly patterned ZnO nanrorod (NR) arrays grown with the hydrothermal method are studied.
In increasing the thermal annealing temperature, void distribution starts from the bottom and extends to the top of an NR in the vertical (c-axis) growth region.
When the annealing temperature is higher than 400°C, void distribution spreads into the lateral (m-axis) growth region.
Photoluminescence measurement shows that the ZnO band-edge emission, in contrast to defect emission in the yellow-red range, is the strongest under the n-ZnO NR process conditions of 0.003 M in Ga-doping concentration and 300°C in thermal annealing temperature with ambient oxygen.
Energy dispersive X-ray spectroscopy data indicate that the concentration of hydroxyl groups in the vertical growth region is significantly higher than that in the lateral growth region.
During thermal annealing, hydroxyl groups are desorbed from the NR leaving anion vacancies for reacting with cation vacancies to form voids.
American Psychological Association (APA)
Yao, Yu-Feng& Shen, Chen-Hung& Chen, Wei-Fang& Shih, Pei-Ying& Chou, Wang-Hsien& Su, Chia-Ying…[et al.]. 2014. Void Structures in Regularly Patterned ZnO Nanorods Grown with the Hydrothermal Method. Journal of Nanomaterials،Vol. 2014, no. 2014, pp.1-11.
https://search.emarefa.net/detail/BIM-1041869
Modern Language Association (MLA)
Yao, Yu-Feng…[et al.]. Void Structures in Regularly Patterned ZnO Nanorods Grown with the Hydrothermal Method. Journal of Nanomaterials No. 2014 (2014), pp.1-11.
https://search.emarefa.net/detail/BIM-1041869
American Medical Association (AMA)
Yao, Yu-Feng& Shen, Chen-Hung& Chen, Wei-Fang& Shih, Pei-Ying& Chou, Wang-Hsien& Su, Chia-Ying…[et al.]. Void Structures in Regularly Patterned ZnO Nanorods Grown with the Hydrothermal Method. Journal of Nanomaterials. 2014. Vol. 2014, no. 2014, pp.1-11.
https://search.emarefa.net/detail/BIM-1041869
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1041869