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Controllable Synthesis and Gas-Sensing Properties of Zinc Oxide Nanocrystals With Exposed Different Percentage of Facets
Bai, Shouli1,2,3; Quan, Le1,2,3; Tang, Pinggui1,2,3; Zhao, Yangbo1,2,3; Luo, Ruixian1,2,3; Chen, Aifan1,2,3; Li, Dianqing1,2,3; Han, Ning1,2,3
2016-02-01
发表期刊IEEE SENSORS JOURNAL
ISSN1530-437X
卷号16期号:4页码:866-872
摘要A facile and controllable one-step hydrothermal method to synthesize nanodisks and nanorods of zinc oxide with exposed different crystal facets of (0001), (1 (1) over bar 00), (01 (1) over bar0), and (10 (1) over bar0) has been realized. It was found that the average percentage of exposed (0001) crystal facets follows the order of nanodisks > nanorods-1 > nanorods-2 > nanorods-3, while the average percentage of exposed (1 (1) over bar 00), (01 (1) over bar0), and (10 (1) over bar0) crystal facets decreases monotonically. The sensing tests to NO2 indicate that the nanodisks exhibit higher sensitivity. It has also been validated that the (0001) crystal facet has the highest surface energy and the lowest binding energy, which is considered to be the key factor of high gas-sensing by the calculations of density functional theory. This finding will open a new window to explore the relationship between gas-sensing and exposed facets and will be useful for designing gas-sensing materials with specifically exposed surfaces.
关键词Zno Nanodisks And Nanorods No2 Sensor Surface Energy Binging Energy
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1109/JSEN.2015.2491322
收录类别SCI
语种英语
关键词[WOS]SINGLE-CRYSTAL SURFACES ; DENSITY-FUNCTIONAL THEORY ; ZNO NANOCRYSTALS ; SHAPE ; NANOPARTICLES ; PERFORMANCE ; SENSOR ; POLAR ; NANOSTRUCTURES ; SENSITIVITY
WOS研究方向Engineering ; Instruments & Instrumentation ; Physics
WOS类目Engineering, Electrical & Electronic ; Instruments & Instrumentation ; Physics, Applied
项目资助者National Natural Science Foundation of China(21177007 ; Fundamental Research Funds for the Central Universities(YS1406) ; 51372013)
WOS记录号WOS:000369383200003
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/20607
专题多相复杂系统国家重点实验室
作者单位1.Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
2.Beijing Univ Chem Technol, Beijing Key Lab Environm Harmful Chem Anal, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
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GB/T 7714
Bai, Shouli,Quan, Le,Tang, Pinggui,et al. Controllable Synthesis and Gas-Sensing Properties of Zinc Oxide Nanocrystals With Exposed Different Percentage of Facets[J]. IEEE SENSORS JOURNAL,2016,16(4):866-872.
APA Bai, Shouli.,Quan, Le.,Tang, Pinggui.,Zhao, Yangbo.,Luo, Ruixian.,...&Han, Ning.(2016).Controllable Synthesis and Gas-Sensing Properties of Zinc Oxide Nanocrystals With Exposed Different Percentage of Facets.IEEE SENSORS JOURNAL,16(4),866-872.
MLA Bai, Shouli,et al."Controllable Synthesis and Gas-Sensing Properties of Zinc Oxide Nanocrystals With Exposed Different Percentage of Facets".IEEE SENSORS JOURNAL 16.4(2016):866-872.
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