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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
Source PublicationIEEE SENSORS JOURNAL
ISSN1530-437X
Volume16Issue:4Pages:866-872
AbstractA 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.
KeywordZno Nanodisks And Nanorods No2 Sensor Surface Energy Binging Energy
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1109/JSEN.2015.2491322
Indexed BySCI
Language英语
WOS KeywordSINGLE-CRYSTAL SURFACES ; DENSITY-FUNCTIONAL THEORY ; ZNO NANOCRYSTALS ; SHAPE ; NANOPARTICLES ; PERFORMANCE ; SENSOR ; POLAR ; NANOSTRUCTURES ; SENSITIVITY
WOS Research AreaEngineering ; Instruments & Instrumentation ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Instruments & Instrumentation ; Physics, Applied
Funding OrganizationNational Natural Science Foundation of China(21177007 ; Fundamental Research Funds for the Central Universities(YS1406) ; 51372013)
WOS IDWOS:000369383200003
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20607
Collection多相复杂系统国家重点实验室
Affiliation1.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
Recommended Citation
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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