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Strongly Coupled g-C3N4 Nanosheets-Co3O4 Quantum Dots as 2D/0D Heterostructure Composite for Peroxymonosulfate Activation

文献类型：期刊论文

作者Gao, Huihui1,2; Yang, Hongcen1,3; Xu, Jinzhang2; Zhang, Shouwei1,2; Li, Jiaxing3
刊名SMALL
出版日期2018-08-02
卷号14期号:31页码:13
关键词heterojunctions PMS activation quantum dots ultrathin g-C3N4 nanosheets
ISSN号1613-6810
DOI10.1002/smll.201801353
通讯作者Zhang, Shouwei(sps_zhangsw@ujn.edu.cn) ; Li, Jiaxing(lijx@ipp.ac.cn)
英文摘要The development of effective approaches for the preparation of 0D quantum dots (QDs)/2D nanosheets (NSs) heterostructures, which have been proven to be favorable for heterogeneous catalysis, is highly desirable but remains a great challenge. Herein, 0D metal oxide nanocrystals-2D ultrathin g-C3N4 nanosheets (Co3O4/CNNS) heterostructures are synthesized via a facile chemical reaction, followed by annealing in air. Ultrafine Co3O4 QDs (approximate to 2.2-3.2 nm) are uniformly and tightly attached on the surface of g-C3N4 nanosheets. Detailed characterization reveals that the specially designed unique 0D/2D structure is critical to the high photocatalytic performance for the degradation of tetracycline (TC) via peroxymonosulfate (PMS) activation. The optimal catalyst, namely, Co3O4/CNNS-1100, exhibits excellent performance and approximate to 98.7% TC can be degraded under visible light irradiation. Moreover, TC degradation is almost completely insusceptible to several real water samples. Meanwhile, other dye pollutants can also be efficiently degraded by the Co3O4/CNNS-1100/PMS/vis system. The quenching tests display that that the h(+), center dot OH, O-2(.-), and SO4- are responsible for TC removal. The improved photocatalytic performance can be attributed to the synergistic effect of the photocatalytic- and chemical-processes in the PMS activation. This work gives an insight into the development of multifunctional 0D/2D nanocomposites for further potential applications which are not limited to environmental purification.
WOS关键词VISIBLE-LIGHT IRRADIATION ; FENTON-LIKE REACTION ; PHOTOCATALYTIC HYDROGEN EVOLUTION ; CARBON NITRIDE NANOSHEETS ; METAL-ORGANIC FRAMEWORKS ; HETEROJUNCTION PHOTOCATALYSTS ; EFFICIENT DEGRADATION ; SULFATE RADICALS ; H-2 PRODUCTION ; RHODAMINE-B
资助项目National Natural Science Foundation of China[21707043] ; National Natural Science Foundation of China[21677146] ; Natural Science Foundation of Shandong Province[ZR2017BEE005]
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
语种英语
WOS记录号WOS:000440561400014
出版者WILEY-V C H VERLAG GMBH
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province ; Natural Science Foundation of Shandong Province
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/37822]  
专题合肥物质科学研究院_中科院等离子体物理研究所
通讯作者Zhang, Shouwei; Li, Jiaxing
作者单位1.Univ Jinan, Sch Phys & Technol, Jinan 250022, Shandong, Peoples R China
2.Hefei Univ Technol, Sch Elect Engn & Automat, Hefei 230009, Anhui, Peoples R China
3.Chinese Acad Sci, Inst Plasma Phys, CAS Key Lab Photovolta & Energy Conservat Mat, POB 1126, Hefei 230031, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Gao, Huihui,Yang, Hongcen,Xu, Jinzhang,et al. Strongly Coupled g-C3N4 Nanosheets-Co3O4 Quantum Dots as 2D/0D Heterostructure Composite for Peroxymonosulfate Activation[J]. SMALL,2018,14(31):13.
APA Gao, Huihui,Yang, Hongcen,Xu, Jinzhang,Zhang, Shouwei,&Li, Jiaxing.(2018).Strongly Coupled g-C3N4 Nanosheets-Co3O4 Quantum Dots as 2D/0D Heterostructure Composite for Peroxymonosulfate Activation.SMALL,14(31),13.
MLA Gao, Huihui,et al."Strongly Coupled g-C3N4 Nanosheets-Co3O4 Quantum Dots as 2D/0D Heterostructure Composite for Peroxymonosulfate Activation".SMALL 14.31(2018):13.

入库方式： OAI收割

来源：合肥物质科学研究院

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