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Fabrication of nanometer-sized high-silica SAPO-5 and its enhanced photocatalytic performance for methyl orange degradation
Qiu, Lingfang1; Zhou, Zhiwei1; Yu, Yaqian1; Zhang, Hao1; Qian, Yuhai2; Yang, Yuyu1; Duo, Shuwang1,2
Corresponding AuthorDuo, Shuwang(swduo@imr.ac.cn)
2019-03-01
Source PublicationRESEARCH ON CHEMICAL INTERMEDIATES
ISSN0922-6168
Volume45Issue:3Pages:1457-1473
AbstractHigher efficient degradation of methyl orange (MO) was demonstrated with nanometer-sized high-silica SAPO-5. By a hydrothermal process, synthesized high-silica SAPO-5 and low-silica SAPO-5 showed Si-to-Al ratios of 4.20 and 0.11, respectively. High-silica SAPO-5 showed much better MO degradation efficiency with a dosage of 70mg in MO solution with a concentration of 10mg/L under ultraviolet illumination. High-silica SAPO-5 also exhibited good producibility for preparation and stable photocatalytic activity even after the fifth recycling test. Optical characterizations of DRS, XPS, photocurrent density and time-resolved fluorescence were carried out for SAPO-5 samples. Finally, free radical and hole scavenging experiments were investigated for high-silica SAPO-5, and a MO photodegradation mechanism based on the charge transfer excited state of [Al2+-O-]* was proposed. This work highlights great prospects of high-silica SAPO-5 for organic pollutant removal with virtues of ideal efficiency and environmental friendliness.
KeywordSAPO-5 High-silica Nanometer-sized Photocatalysis
Funding OrganizationNational Natural Science Foundation of China ; Natural Science Foundation of Jiangxi Province ; Doctoral Scientific Research Starting Foundation of Jiangxi Science and Technology Normal University ; Project of Sci-Tech Innovative Team for Nano Functional Materials of Jiangxi Science and Technology Normal University
DOI10.1007/s11164-018-3675-7
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51363007] ; Natural Science Foundation of Jiangxi Province[20171BAB206008] ; Doctoral Scientific Research Starting Foundation of Jiangxi Science and Technology Normal University[2017BSQD003] ; Project of Sci-Tech Innovative Team for Nano Functional Materials of Jiangxi Science and Technology Normal University[YC 2017-X17]
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000459004900035
PublisherSPRINGER
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/131891
Collection中国科学院金属研究所
Corresponding AuthorDuo, Shuwang
Affiliation1.Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Surface Engn, Nanchang 330013, Jiangxi, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Qiu, Lingfang,Zhou, Zhiwei,Yu, Yaqian,et al. Fabrication of nanometer-sized high-silica SAPO-5 and its enhanced photocatalytic performance for methyl orange degradation[J]. RESEARCH ON CHEMICAL INTERMEDIATES,2019,45(3):1457-1473.
APA Qiu, Lingfang.,Zhou, Zhiwei.,Yu, Yaqian.,Zhang, Hao.,Qian, Yuhai.,...&Duo, Shuwang.(2019).Fabrication of nanometer-sized high-silica SAPO-5 and its enhanced photocatalytic performance for methyl orange degradation.RESEARCH ON CHEMICAL INTERMEDIATES,45(3),1457-1473.
MLA Qiu, Lingfang,et al."Fabrication of nanometer-sized high-silica SAPO-5 and its enhanced photocatalytic performance for methyl orange degradation".RESEARCH ON CHEMICAL INTERMEDIATES 45.3(2019):1457-1473.
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