Mechanism study on NO removal over the CQDs@MIL-100 (Fe) composite photocatalyst

被引：9
|
作者：
Fan, Xianwei [1 ]
Hu, Haoxuan [1 ]
Qin, Junqi [1 ]
Cao, Xi [1 ]
Zhao, Ran [1 ]
Wang, Dong [1 ]
机构：
[1] Wuhan Textile Univ, Hubei Int Sci & Technol Cooperat, Hubei Key Lab Adv Text Mat & Applicat, Base Intelligent Text Mat & Applicat, Wuhan 430200, Peoples R China
来源：
ENVIRONMENTAL TECHNOLOGY & INNOVATION | 2021年 / 24卷
关键词：
Denitration; MIL-100 (Fe); Photocatalysis; SELECTIVE CATALYTIC-REDUCTION; QUANTUM DOTS; MIL-100(FE); STRATEGY; CO2;
D O I：
10.1016/j.eti.2021.101809
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Novel composite photocatalysts MIL-100 (Fe) modified with carbon quantum dots (CQDs) were prepared via a simple one-step hydrothermal method. The photocatalytic performances were indagated through the gas phase NO removal experiment under visible-light illumination. Compared with the pure MIL-100 (Fe), the CQDs@MIL-100 (Fe) material showed excellent photocatalytic performance, with a maximum of 70% NO removal efficiency. The composite photocatalysts were systematically characterized with SEM, XRD, BET, DRS, PL, and FTIR. The results showed that CQDs were successfully coupled with the MIL-100 (Fe) via the C-O bond. The introduction of CQDs enhanced the utilization of sunlight and photoexcited-charge utilization efficiency, which in turn promoted the conversion of NO to NO3-. (C) 2021 Elsevier B.V. All rights reserved.
引用
收藏
页数：10
相关论文
共 50 条
  • [41] In situ synthesis of a hierarchical MIL-100(Fe)-modified nanofiber membrane for the efficient removal of levofloxacin
    Yang, Tianyi
    Teng, Yakun
    Wang, Jing
    Jia, Shushu
    Su, Yuqi
    Li, Xiang
    Li, Lijuan
    Wang, Ce
    NEW JOURNAL OF CHEMISTRY, 2023, 47 (08) : 3903 - 3909
  • [42] Co-doped Fe-MIL-100 as an adsorbent for tetracycline removal from aqueous solution
    Feiyue Jia
    Donghua Zhao
    Mengzhao Shu
    Feifei Sun
    Dongbo Wang
    Chen Chen
    Yu Deng
    Xiaoming Zhu
    Environmental Science and Pollution Research, 2022, 29 : 55026 - 55038
  • [43] Pd/MIL-100(Fe) as hydrogen activator for FeIII/FeII cycle: Fenton removal of sulfamethazine
    Zhu, Zi-Yan
    Wang, Yun-Dong
    Wang, Xiao-Wen
    Dai, Guo-Liang
    Ma, San-Jian
    Liu, Xin
    Li, Juan-Hong
    Jin, Long
    Lin, Zi-Xia
    ENVIRONMENTAL TECHNOLOGY, 2023, 44 (23) : 3504 - 3517
  • [44] SERS-active MIL-100(Fe) sensor for sensitive detection of organic dyes and its enhancement mechanism study
    Fu, Jinghao
    Zhong, Zhen
    Xie, Dan
    Zha, Zhongxing
    Li, Min
    CHINESE SCIENCE BULLETIN-CHINESE, 2020, 65 (34): : 3972 - 3978
  • [45] Fast and efficient aqueous arsenic removal by functionalized MIL-100(Fe)/rGO/δ-MnO2 ternary composites: Adsorption performance and mechanism
    Ploychompoo, Sittipranee
    Chen, Jingda
    Luo, Hanjin
    Liang, Qianwei
    JOURNAL OF ENVIRONMENTAL SCIENCES, 2020, 91 : 22 - 34
  • [46] Fast and efficient aqueous arsenic removal by functionalized MIL-100(Fe)/rGO/δ-MnO2 ternary composites:Adsorption performance and mechanism
    Sittipranee Ploychompoo
    Jingda Chen
    Hanjin Luo
    Qianwei Liang
    Journal of Environmental Sciences, 2020, 91 (05) : 22 - 34
  • [47] Effective photodegradation of rhodamine B and levofloxacin over CQDs modified BiOCl and BiOBr composite: Mechanism and toxicity assessment
    Zhao, Yanyan
    Guo, Hongxia
    Liu, Jie
    Xia, Qiong
    Liu, Jifang
    Liang, Xuhua
    Liu, Enzhou
    Fan, Jun
    JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2022, 627 : 180 - 193
  • [48] MIL-100(Fe)/Diatomite Composite with Hierarchical Porous Structure for Sorption of Volatile Organic Compounds
    Evdokimova, E., V
    Matskan, P. A.
    Mamontov, G., V
    RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A, 2022, 96 (01) : 171 - 178
  • [49] MIL-100(Fe)/Diatomite Composite with Hierarchical Porous Structure for Sorption of Volatile Organic Compounds
    E. V. Evdokimova
    P. A. Matskan
    G. V. Mamontov
    Russian Journal of Physical Chemistry A, 2022, 96 : 171 - 178
  • [50] Fabrication of Bi2Sn2O7@MIL-100(Fe) composite photocatalyst with enhanced superoxide-radical-dominated photocatalytic activity for ciprofloxacin degradation
    Wu, Chenyan
    Shen, Qianhong
    Zheng, Suhua
    Zhang, Xinyu
    Sheng, Jiansong
    Yang, Hui
    JOURNAL OF MOLECULAR STRUCTURE, 2022, 1258
12345