globalchange  > 过去全球变化的重建
DOI: 10.1016/j.marpolbul.2014.02.011
Scopus记录号: 2-s2.0-84906266788
论文题名:
Photocatalytic splitting of seawater effected by (Ni-ZnO)@C nanoreactors
作者: Yang T.-C.; Chang F.-C.; Wang H.P.; Wei Y.-L.; Jou C.-J.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2014
卷: 85, 期:2
起始页码: 696
结束页码: 699
语种: 英语
英文关键词: Core-shell ; Nanoreactors ; Photocatalysis ; Seawater ; Yolk-shell
Scopus关键词: Carbon ; Carbonization ; Nanoparticles ; Nanoreactors ; Photocatalysis ; Seawater ; Seawater effects ; Shells (structures) ; X ray diffraction ; Zinc oxide ; Collision frequency ; Core-shell ; Core-shell nanoparticles ; Photocatalytic splitting ; Scattering spectroscopy ; X-ray diffraction spectroscopy ; Yolk-shell ; Zinc oxide nanoparticles ; Nickel ; hydrogen ; nanoparticle ; nickel nanoparticle ; sea water ; unclassified drug ; zinc oxide nanoparticle ; beta cyclodextrin ; beta cyclodextrin derivative ; nanoparticle ; nickel ; water ; water pollutant ; zinc oxide ; catalysis ; catalyst ; isotopic ratio ; marine pollution ; nickel ; seawater ; X-ray diffraction ; zinc ; article ; atom ; chemical bond ; chemical structure ; nanoreactor ; particle size ; photocatalysis ; reactor ; analysis ; catalysis ; chemistry ; enzyme active site ; light ; nanotechnology ; photochemistry ; procedures ; radiation scattering ; spectrophotometry ; ultraviolet radiation ; water pollutant ; X ray diffraction ; beta-Cyclodextrins ; Catalysis ; Catalytic Domain ; Hydrogen ; Light ; Nanoparticles ; Nanotechnology ; Nickel ; Photochemistry ; Scattering, Radiation ; Seawater ; Spectrophotometry ; Ultraviolet Rays ; Water ; Water Pollutants, Chemical ; X-Ray Diffraction ; Zinc Oxide
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science ; Earth and Planetary Sciences: Oceanography ; Environmental Science: Pollution
英文摘要: Novel photocatalysts i.e., metallic nickel and zinc oxide nanoparticles embedded in the carbon-shell ((Ni-ZnO)@C) have been used for photocatalytic splitting of seawater to generate H2. The (Ni-ZnO)@C core-shell nanoparticles having the Zn/Ni ratios of 0-3 were prepared by carbonization of Ni2+- and Zn2+-β-cyclodextrin at 673K for 2h. To increase the collision frequency of water and photoactive sites within the carbon-shell, Ni and ZnO are partially etched from the (Ni-ZnO)@C core-shell to form yolk-shell nanoparticles with a H2SO4 solution (2N). By X-ray diffraction spectroscopy, mainly Ni and ZnO crystallites are observed in the core- and yolk-shell nanoparticles. The sizes of the Ni and ZnO in the (Ni-ZnO)>C nanoreactors are between 7 and 23nm in diameters determined by TEM and small angel scattering spectroscopy. Under a 5-h UV-Vis light irradiation, 5.01μmol/hgcat of H2 are yielded from photocatalytic splitting of seawater effected by (Ni-ZnO)@C nanoreactors. © 2014 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/85357
Appears in Collections:过去全球变化的重建
全球变化的国际研究计划

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作者单位: Department of Environmental Engineering, National Cheng-Kung University, Tainan 70101, Taiwan; The Experimental Forest, College of Bio-Resources and Agriculture, National Taiwan University, Nan-Tou 557, Taiwan; Department of Environmental Science and Engineering, Tunghai University, Taichung 407, Taiwan; Department of Safety, Health and Environmental Engineering, National Kaohsiung First University of Science and Technology, Kaohsiung 811, Taiwan

Recommended Citation:
Yang T.-C.,Chang F.-C.,Wang H.P.,et al. Photocatalytic splitting of seawater effected by (Ni-ZnO)@C nanoreactors[J]. Marine Pollution Bulletin,2014-01-01,85(2)
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