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  4. 中科院强磁场科学中心
Improvement of Cr (VI) photoreduction under visible-light by g-C3N4 modified by nano-network structured palygorskite

文献类型：期刊论文

作者Zhang, Jing1,2; Gao, Ning2; Chen, Fulong2; Zhang, Tao2; Zhang, Guilong1,3; Wang, Dongfang1,3; Xie, Xingyong2; Cai, Dongqing1,3; Ma, Xijun2; Wu, Lifang1,3
刊名CHEMICAL ENGINEERING JOURNAL
出版日期2019-02-15
卷号358页码:398-407
ISSN号1385-8947
关键词Palygorskite Graphitic carbon nitride Ion beam bombardment Photocatalysts
DOI10.1016/j.cej.2018.10.083
通讯作者Ma, Xijun(maxijun@hyit.edu.cn) ; Wu, Lifang(lfwu@ipp.ac.cn) ; Wu, Zhengyan(zywu@ipp.ac.cn)
英文摘要In this paper, we firstly used the inorganic nano-network of palygorskite (IPAL) with multiporous structure fabricated from rigid nano-rods by ion beam bombardment to enhance the photoactivity of the graphitic carbon nitride (CN). Results of spectroscopy techniques show that the as-prepared sample (IPAL/CN) displays broader light absorption in the visible light region and low recombination of charge carriers. Photocatalytic illustrations of Cr (VI) (and methylene blue (MB)) in aqueous solution by IPAL/CN samples were investigated respectively. Results show that the IPAL/CN-1:6 composites exhibit a superior catalytic activity with 99.5% of Cr (VI) and 99.2% of MB removal efficiency in 100 min, which were almost 7.0 times and 9.5 times higher than that of pure CN, respectively. After four cycles, the IPAL/CN-1:6 exhibits great photoactivity. Moreover, the reaction can be conducted better under the low pH value of the solution, and the initial concentration can influence the reaction property. The theory of DLVO and zeta potential were used to analyze the dispersion effect on the samples. The higher photoactivity of the IPAL/CN samples could be attributed not only to the high adsorption capacity but also to the improved dispersion affected by the nano-network of IPAL. This study provides a new opportunity for the modification of photocatalyst by the inorganic nanomaterials formed easily by physical irradiation.
WOS关键词GRAPHITIC CARBON NITRIDE ; EFFICIENT PHOTOCATALYTIC REDUCTION ; ZERO-VALENT IRON ; CR(VI) REDUCTION ; AQUEOUS CR(VI) ; HEXAVALENT CHROMIUM ; FORMIC-ACID ; DOPED TIO2 ; PHOTODEGRADATION PERFORMANCE ; SOLVOTHERMAL SYNTHESIS
资助项目National Natural Science Foundation of China[21471040] ; National Natural Science Foundation of China[41301048] ; Science and Technology Project of Huai'an[2015008] ; Social Development Projects of Huai'an[HAS2015008]
WOS研究方向Engineering
语种英语
出版者ELSEVIER SCIENCE SA
WOS记录号WOS:000450105700039
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 ; Science and Technology Project of Huai'an ; Science and Technology Project of Huai'an ; Science and Technology Project of Huai'an ; Science and Technology Project of Huai'an ; Science and Technology Project of Huai'an ; Science and Technology Project of Huai'an ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/34063]  
专题合肥物质科学研究院_中科院强磁场科学中心
合肥物质科学研究院_技术生物与农业工程研究所
通讯作者Ma, Xijun; Wu, Lifang; Wu, Zhengyan
作者单位1.Chinese Acad Sci, Hefei Inst Phys Sc, Key Lab High Magnet Field & Ion Beam Phys Biol, Hefei 230031, Anhui, Peoples R China
2.Huaiyin Inst Technol, Huaian 223003, Peoples R China
3.Chinese Acad Sci, Hefei Inst Phys Sci, Key Lab Environm Toxicol & Pollut Control Technol, Hefei 230031, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Jing,Gao, Ning,Chen, Fulong,et al. Improvement of Cr (VI) photoreduction under visible-light by g-C3N4 modified by nano-network structured palygorskite[J]. CHEMICAL ENGINEERING JOURNAL,2019,358:398-407.
APA Zhang, Jing.,Gao, Ning.,Chen, Fulong.,Zhang, Tao.,Zhang, Guilong.,...&Wu, Zhengyan.(2019).Improvement of Cr (VI) photoreduction under visible-light by g-C3N4 modified by nano-network structured palygorskite.CHEMICAL ENGINEERING JOURNAL,358,398-407.
MLA Zhang, Jing,et al."Improvement of Cr (VI) photoreduction under visible-light by g-C3N4 modified by nano-network structured palygorskite".CHEMICAL ENGINEERING JOURNAL 358(2019):398-407.

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来源：合肥物质科学研究院

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