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Synthesis and Visible Light Photodegradation Activity of Ag NW@TiO2 Core-shell Structure
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Nan MU1, 2, Yangai LIU1, Zhuang HUI1, 2, Xinwen ZHOU2, Wei GUO2, Chao JIN3, Peng PENG2
Journal of the Chinese Ceramic Society | 2020, 48(9) : 1460 - 1467
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Journal of the Chinese Ceramic Society | 2020, 48(9): 1460-1467
Synthesis and Visible Light Photodegradation Activity of Ag NW@TiO2 Core-shell Structure
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Nan MU1, 2, Yangai LIU1, Zhuang HUI1, 2, Xinwen ZHOU2, Wei GUO2, Chao JIN3, Peng PENG2
Affiliations
  • 1.Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China
  • 2.School of Mechanical and Automation, Beihang University, Beijing 100191, China
  • 3.School of Environmental Science and Engineering, Sun Yat-Sun University, Guangzhou 510275, China

    • MU Nan (1996-), female, Master candidate. E-mail:

About Author:

MU Nan (1996-), female, Master candidate. E-mail:

Published: 2020-09-20 doi: 10.14062/j.issn.0454-5648.20200284
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Silver nanowire (Ag NW)@TiO2 core-shell composite structure photocatalysts with different loading ratios were prepared by a hydrothermal method. The organic dye Rhodamine B (RhB) was used as a target degradation product to evaluate its visible light catalytic activity. The results show that the calcined core-shell structure is still Ag NWs and TiO2 crystals. The core-shell structure reduces the bandgap of TiO2 and can achieve its excitation in the visible range. When a molar ratio of TiO2 to Ag NW is 84%, the maximum photocatalytic activity can be obtained, and the degradation rate of RhB can reach 82.2%. The main active oxide in the degradation is superoxide radical. The structure has a good stability without oxidation or phase transition after more than 263 d of storage.

silver nanowire@titanium dioxide composite photocatalysts  /  core-shell structure  /  visible light degradation  /  titanium dioxide  /  rhodamine B
慕楠, 刘艳改, 惠壮, 周兴汶, 郭伟, 金超, 彭鹏. 银纳米线/二氧化钛核壳结构的制备及可见光光催化性能. 硅酸盐学报, 2020 , 48 (9) : 1460 -1467 . DOI: 10.14062/j.issn.0454-5648.20200284
Nan MU, Yangai LIU, Zhuang HUI, Xinwen ZHOU, Wei GUO, Chao JIN, Peng PENG. Synthesis and Visible Light Photodegradation Activity of Ag NW@TiO2 Core-shell Structure[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (9) : 1460 -1467 . DOI: 10.14062/j.issn.0454-5648.20200284
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Year 2020 volume 48 Issue 9
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Article Info
doi: 10.14062/j.issn.0454-5648.20200284
  • Receive Date：2020-04-19
  • Online Date：2026-10-29
  • Published：2020-09-20
Article Data
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History
  • Received：2020-04-19
  • Revised：2020-05-05
Funding
Affiliations
    1.Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences, Beijing 100083, China
    2.School of Mechanical and Automation, Beihang University, Beijing 100191, China
    3.School of Environmental Science and Engineering, Sun Yat-Sun University, Guangzhou 510275, China

Corresponding:

PENG Peng (1985-), male, Ph.D., associate Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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