CAS OpenIR
rGO modified nanoplate-assembled ZnO/CdO junction for detection of NO2
Bai, Shouli1; Sun, Xi1; Han, Ning2; Shu, Xin1; Pan, Junli3; Guo, Haipeng4; Liu, Shuanghe4; Feng, Yongjun1; Luo, Ruixian1; Li, Dianqing1; Chen, Aifan1
2020-07-15
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
Volume394Pages:9
AbstractThe triadic composite of ZnO/CdO heterojunction decorated with reduced graphene oxide (rGO) was prepared using a one-step hydrothermal method. The characterizations of morphology, structure and composition to the composite were undertaken by XRD, Raman, SEM, TEM, XPS, UV-vis spectra. The sensing experimental data indicate that the highest response of the ZnO/CdO/rGO (1.0 wt%) composite to ppm-level NO2 is 8 times and 2 times higher than pure ZnO and ZnO/CdO junction, respectively. The composite not only exhibits fast response time and recovery time, high response, but also reveals outstanding stability and repeatability at an operating temperature of 125 degrees C. The sensing mechanism also has been discussed in detail in the work. The enhancement in gas sensing properties is credited to the development of ZnO/CdO heterojunction and the decoration of rGO with high conductivity. The logarithm of sensitivity in the range of 0.4-2.4 ppm NO2 shows good linear dependence, indicating that the composite based sensor can be used to quantificationally detect low concentration of NO2.
KeywordGas sensor ZnO/CdO Graphene rGO NO2
DOI10.1016/j.jhazmat.2019.121832
Language英语
WOS KeywordZNO NANOPARTICLES ; FACILE SYNTHESIS ; GAS ; MICROSPHERES ; PERFORMANCE
Funding ProjectNational Key R&D Program of China[2016YFB0301600] ; National Key R&D Program of China[2016YFC0207100] ; National Natural Science Foundation of China[21627813] ; National Natural Science Foundation of China[51772015] ; National Natural Science Foundation of China[21571015] ; Fundamental Research Funds for the Central Universities[12060093063] ; Science Foundation of Jiangsu University of Technology[KYH17044]
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Environmental Sciences
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Science Foundation of Jiangsu University of Technology
WOS IDWOS:000532832200005
PublisherELSEVIER
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/40487
Collection中国科学院过程工程研究所
Corresponding AuthorHan, Ning; Shu, Xin; Feng, Yongjun; Li, Dianqing
Affiliation1.Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing Key Lab Environmentally Harmful Chem Anal, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Jiangsu Univ Technol, Sch Chem & Environm Engn, Changzhou 213001, Peoples R China
4.Fengfan Co Ltd, 8 Fuchang Rd, Baoding City 071057, Peoples R China
Recommended Citation
GB/T 7714
Bai, Shouli,Sun, Xi,Han, Ning,et al. rGO modified nanoplate-assembled ZnO/CdO junction for detection of NO2[J]. JOURNAL OF HAZARDOUS MATERIALS,2020,394:9.
APA Bai, Shouli.,Sun, Xi.,Han, Ning.,Shu, Xin.,Pan, Junli.,...&Chen, Aifan.(2020).rGO modified nanoplate-assembled ZnO/CdO junction for detection of NO2.JOURNAL OF HAZARDOUS MATERIALS,394,9.
MLA Bai, Shouli,et al."rGO modified nanoplate-assembled ZnO/CdO junction for detection of NO2".JOURNAL OF HAZARDOUS MATERIALS 394(2020):9.
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