CAS OpenIR  > 研究所(批量导入)
Fabrication of micro-structural ZnO crystal and the concentration fields of the CVD reactor
Xu, J. B.; Tian, H. J.; Tian, Y. J.; Wen, H.
2013
Conference Name3rd International Conference on Advanced Engineering Materials and Technology (AEMT 2013)
Source PublicationADVANCED ENGINEERING MATERIALS III, PTS 1-3
Pages352-357
Conference DateMAY 11-12, 2013
Conference PlaceZhangjiajie, PEOPLES R CHINA
PublisherTrans Tech Publications Ltd
AbstractArrayed ZnO crystals were fabricated with Zn as raw material by thermal chemical vapor deposition in a tubular reactor. The characterizations indicate the product grown at upstream is the well-arrayed ZnO submicro-column with good crystal properties, that at downstream is well-arrayed nano-needle with more defects. In combination of mass field analysis with Fluent, it is revealed that the concentration fields at the upstream and downstream positions of Zn source are not identical even in an identical temperature field. It is the diffusion that drives Zn vapor move to upstream position where the O-2 is rich, and the amount diffuse to upstream is rare due to the transportation of working gas. Most of O-2 is consumed when passes the Zn source, leading to more lean O-2 but rich Zn at the downstream position of Zn source. Our results support that lower concentration of Zn and O-2 is in favor of the formation of perfect crystal as happened at upstream, but in such condition that more Zn and rare O-2, defects of O vacancy is liable to form during ZnO growth.
KeywordCvd Zno Crystals Computational Fluid Dynamics Flow Field Analysis Photoluminescence Properties Optical-properties Controlled Growth Vapor-deposition Thin-films Nanostructures Arrays Morphology Temperature Nanorods
URL查看原文
Indexed ByCPCI
Language英语
Document Type会议论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11265
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
Xu, J. B.,Tian, H. J.,Tian, Y. J.,et al. Fabrication of micro-structural ZnO crystal and the concentration fields of the CVD reactor[C]:Trans Tech Publications Ltd,2013:352-357.
Files in This Item:
File Name/Size DocType Version Access License
Fabrication of Micro(319KB) 限制开放CC BY-NC-SAApplication Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Xu, J. B.]'s Articles
[Tian, H. J.]'s Articles
[Tian, Y. J.]'s Articles
Baidu academic
Similar articles in Baidu academic
[Xu, J. B.]'s Articles
[Tian, H. J.]'s Articles
[Tian, Y. J.]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Xu, J. B.]'s Articles
[Tian, H. J.]'s Articles
[Tian, Y. J.]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.