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In-situ Construction and Photocatalytic Activity of Bi2O3/Bi2SiO5 Heterojunction on Exfoliated Montmorillonite
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Tao NIE1, 2, Jing YU1, 2, Ben CHEN1, 2, Rui WANG1, 2, Beibei HE1, 2, Jun JIN1, 2, Huanwen WANG1, 2, Yansheng GONG1, 2
Journal of the Chinese Ceramic Society | 2022, 50(10) : 2778 - 2789
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Journal of the Chinese Ceramic Society | 2022, 50(10): 2778-2789
• Research Articles •
In-situ Construction and Photocatalytic Activity of Bi2O3/Bi2SiO5 Heterojunction on Exfoliated Montmorillonite
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Tao NIE1, 2, Jing YU1, 2, Ben CHEN1, 2, Rui WANG1, 2, Beibei HE1, 2, Jun JIN1, 2, Huanwen WANG1, 2, Yansheng GONG1, 2
Affiliations
  • 1.Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan 430074, China
  • 2.Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China

    • NIE Tao (1994-), male, Master candidate. E-mail:

About Author:

NIE Tao (1994-), male, Master candidate. E-mail:

Published: 2022-10-20 doi: 10.14062/j.issn.0454-5648.20220029
Outline
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Bi2O3/Bi2SiO5 heterojunction was in-situ constructed on exfoliated montmorillonite via an one-pot method. The crystal structure, morphology, and optical features for the as-synthesized Bi2O3/Bi2SiO5 heterojunction were characterized. In the preparation process, the exfoliated montmorillonite acts as Si source and framework for the in-situ formation of Bi2O3/Bi2SiO5 p-n heterogeneous junction on montmorillonite interlayer. As a result, Bi2O3/Bi2SiO5 photocatalyst exhibits a superior photocatalytic performance rather than bare α-Bi2O3 for the degradation of Rhodamine B (RhB) via the simulated solar light irradiation due to the synergetic effects of large specific surface areas and p-n junction between Bi2SiO5 and Bi2O3. Moreover, a possible photocatalytic mechanism for the as-prepared photocatalysts was proposed. This work provides a new insight into synthesizing the cost-efficient photocatalyst with montmorillonite for the contaminant degradation.

exfoliated montmorillonite  /  heterojunctions  /  in-situ synthesis  /  dye pollutant degradation
聂涛, 余婧, 陈犇, 汪锐, 贺贝贝, 金俊, 王欢文, 公衍生. 剥离蒙脱石表面原位构建Bi2O3/Bi2SiO5异质结及其光催化活性. 硅酸盐学报, 2022 , 50 (10) : 2778 -2789 . DOI: 10.14062/j.issn.0454-5648.20220029
Tao NIE, Jing YU, Ben CHEN, Rui WANG, Beibei HE, Jun JIN, Huanwen WANG, Yansheng GONG. In-situ Construction and Photocatalytic Activity of Bi2O3/Bi2SiO5 Heterojunction on Exfoliated Montmorillonite[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (10) : 2778 -2789 . DOI: 10.14062/j.issn.0454-5648.20220029
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Article Info
doi: 10.14062/j.issn.0454-5648.20220029
  • Receive Date：2022-01-11
  • Online Date：2026-10-20
  • Published：2022-10-20
Article Data
Affiliations
History
  • Received：2022-01-11
  • Revised：2022-04-10
Funding
Affiliations
    1.Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan 430074, China
    2.Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China

Corresponding:

GONG Yansheng (1977-), 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
species (%)
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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