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In Situ Growth of CuO Quantum Dots on Cu-Reconstructed Palygorskite for Wide-Spectrum Photocatalytic Nitrogen Fixation
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Song YANG1, Xini CHU1, Wenjun LI1, Chengli HE1, Xuhua YE1, Fengqin WU1, Xiazhang LI1, 2
Journal of the Chinese Ceramic Society | 2021, 49(10) : 2070 - 2077
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Journal of the Chinese Ceramic Society | 2021, 49(10): 2070-2077
In Situ Growth of CuO Quantum Dots on Cu-Reconstructed Palygorskite for Wide-Spectrum Photocatalytic Nitrogen Fixation
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Song YANG1, Xini CHU1, Wenjun LI1, Chengli HE1, Xuhua YE1, Fengqin WU1, Xiazhang LI1, 2
Affiliations
  • 1.Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, Jiangsu, China
  • 2.Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China

    • YANG Song (1984-), male, PhD candidate. E-mail:

About Author:

YANG Song (1984-), male, PhD candidate. E-mail:

Published: 2021-10-20 doi: 10.14062/j.issn.0454-5648.20210164
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Octahedral cations of acid-treated palygorskite clay (Pal) were partially replaced by Cu2+ via hydrothermal method to achieve lattice reconstruction (Cu-Pal). CuO quantum dots (CuO QDs) were grown in situ on the surface of Cu-Pal by adjust the pH and thermal treatment in case of excess Cu2+, which led to the formation of CuO QDs/Cu-Pal nanocomposite toward photocatalytic nitrogen fixation. The influence of Cu2+ content on the microstructure, optical property and band gap structure of Pal were studied. Results showed that the Cu substitution narrowed the band gap of Pal which extended the light response range from ultraviolet light to visible light. When the Cu2+ content exceeded 5% (in mass fraction), CuO QDs on the Cu-Pal surface effectively promoted the absorption of NIR light due to its rather low band gap (1.2 eV). 20% Cu-Pal formed the best-matched Type-I heterostructure and demonstrated the highest photocatalytic nitrogen fixation performance due to the enhanced charge separation.

palygorskite  /  lattice reconstruction  /  copper oxide  /  quantum dots  /  heterostructure  /  photocatalytic nitrogen fixation
杨松, 储悉尼, 李文俊, 何承溧, 业绪华, 吴凤芹, 李霞章. Cu重建凹凸棒石原位固载CuO量子点及其宽光谱固氮特性. 硅酸盐学报, 2021 , 49 (10) : 2070 -2077 . DOI: 10.14062/j.issn.0454-5648.20210164
Song YANG, Xini CHU, Wenjun LI, Chengli HE, Xuhua YE, Fengqin WU, Xiazhang LI. In Situ Growth of CuO Quantum Dots on Cu-Reconstructed Palygorskite for Wide-Spectrum Photocatalytic Nitrogen Fixation[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (10) : 2070 -2077 . DOI: 10.14062/j.issn.0454-5648.20210164
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Year 2021 volume 49 Issue 10
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Article Info
doi: 10.14062/j.issn.0454-5648.20210164
  • Receive Date：2021-03-09
  • Online Date：2026-10-30
  • Published：2021-10-20
Article Data
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History
  • Received：2021-03-09
  • Revised：2021-03-30
Funding
Affiliations
    1.Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, Jiangsu, China
    2.Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Corresponding:

LI Xiazhang (1980-), male, Ph.D., Professor; E-mail:
WU Fengqin (1967-), female, Professor.
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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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