One-photo excitation pathway in 2D in-plane heterostructures for effective visible-light-driven photocatalytic degradation

被引:2
|
作者
Liu, Mengchi [1 ]
Cheng, Yiwen [1 ]
Xie, Yuee [1 ]
Wei, Yingcong [1 ]
Xing, Jinhui [1 ]
Chen, Yuanping [1 ]
Xu, Jing [1 ]
机构
[1] Jiangsu Univ, Sch Phys & Elect Engn, Zhenjiang 212013, Peoples R China
基金
中国国家自然科学基金;
关键词
photocatalysis; CAU-17; Bismuth oxyhalides; one-photon excitation pathway; 2D in-plane heterojunction; HETEROJUNCTION;
D O I
10.1088/1674-4926/44/5/052701
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Broad-spectrum absorption and highly effective charge-carrier separation are two essential requirements to improve the photocatalytic performance of semiconductor-based photocatalysts. In this work, a fascinating one-photon system is reported by rationally fabricating 2D in-plane Bi2O3/BiOCl (i-Cl) heterostructures for efficient photocatalytic degradation of RhB and TC. Systematic investigations revealed that the matched band structure generated an internal electric field and a chemical bond connection between the Bi2O3 and BiOCl in the Bi2O3/BiOCl composite that could effectively improve the utilization ratio of visible light and the separation effectivity of photo-generated carriers in space. The formed interactions at the 2D in-plane heterojunction interface induced the one-photon excitation pathway which has been confirmed by the experiment and DFT calculations. As a result, the i-Cl samples showed significantly enhanced photocatalytic efficiency towards the degradation of RhB and TC (RhB: 0.106 min(-1); TC: 0.048 min(-1)) under visible light. The degradation activities of RhB and TC for i-Cl were 265.08 and 4.08 times that of pure BiOCl, as well as 9.27 and 2.14 times that of mechanistically mixed Bi2O3/BiOCl samples, respectively. This work provides a logical strategy to construct other 2D in-plane heterojunctions with a one-photon excitation pathway with enhanced performance.
引用
收藏
页数:11
相关论文
共 50 条
  • [11] Enhanced visible-light-driven photocatalytic performance of Ag/AgGaO2 metal semiconductor heterostructures
    Zhang, Xiangchao
    Tang, Aidong
    Jia, Yanrong
    Wang, Yutang
    Wang, Hongxia
    Zhang, Shiying
    JOURNAL OF ALLOYS AND COMPOUNDS, 2017, 701 : 16 - 22
  • [12] Visible-light-driven hierarchical porous CeO2 derived from wood for effective photocatalytic degradation of methylene blue
    Cheng, Zhuoying
    Luo, Suyue
    Liu, Zhao
    Zhang, Ying
    Liao, Yushuang
    Guo, Minghui
    Nguyen, Tat Thang
    OPTICAL MATERIALS, 2022, 129
  • [13] Construction of S-scheme 0D/2D heterostructures for enhanced visible-light-driven CO2 reduction
    Gong, Shuaiqi
    Teng, Xue
    Niu, Yanli
    Liu, Xuan
    Xu, Mingze
    Xu, Chen
    Ji, Lvlv
    Chen, Zuofeng
    APPLIED CATALYSIS B-ENVIRONMENTAL, 2021, 298 (298)
  • [14] Structure and effective visible-light-driven photocatalytic activity of α-NiMoO4 for degradation of methylene blue dye
    Yang, Li
    Wang, Jing
    Wan, Yingpeng
    Li, Yuze
    Xie, Hongde
    Cheng, Han
    Seo, Hyo Jin
    JOURNAL OF ALLOYS AND COMPOUNDS, 2016, 664 : 756 - 763
  • [15] 2D/2d heterojunction of MoS2/g-C3N4 nanoflowers for enhanced visible-light-driven photocatalytic and electrochemical degradation of organic pollutants
    Monga, Divya
    Ilager, Davalasab
    Shetti, Nagaraj P.
    Basu, Soumen
    Aminabhavi, Tejraj M.
    JOURNAL OF ENVIRONMENTAL MANAGEMENT, 2020, 274
  • [16] Constructing 2D BiOCl/C3N4 layered composite with large contact surface for visible-light-driven photocatalytic degradation
    Liu, Wenwen
    Qiao, Lulu
    Zhu, Anquan
    Liu, Yi
    Pan, Jun
    APPLIED SURFACE SCIENCE, 2017, 426 : 897 - 905
  • [17] Visible-light-driven photocatalytic N2 fixation to nitrates by 2D/2D ultrathin BiVO4 nanosheet/rGO nanocomposites
    Shao, Shuai
    Zhang, Jun
    Li, Likun
    Qin, Yuanhang
    Liu, Zhao-Qing
    Wang, Tielin
    CHEMICAL COMMUNICATIONS, 2022, 58 (13) : 2184 - 2187
  • [18] Visible-light-driven 2D π-conjugated polyimide/ZnO efficiently removes tetracycline
    Li, Yi
    Fu, Min
    Bai, Jinwu
    Yang, Mei
    Fang, Meng
    Lu, Peng
    OPTICAL MATERIALS, 2024, 150
  • [19] Synthesis of MoSe2/SrTiO3 Heterostructures with Enhanced Ultraviolet-Light-Driven and Visible-Light-Driven Photocatalytic Properties
    Zhou, Xingwang
    Yao, Jun
    Yang, Ming
    Ma, Jiangquan
    Zhou, Qingwei
    Ou, Ershen
    Zhang, Zhen
    Sun, Xueni
    NANO, 2018, 13 (04)
  • [20] SYNTHESIS OF SnS2-CNT NANOCOMPOSITES WITH EXIMIOUS VISIBLE-LIGHT-DRIVEN PHOTOCATALYTIC DEGRADATION OF TBA
    Meng, Ze-Da
    Zhu, Lei
    Ullah, Kefayat
    Ye, Shu
    Oh, Won-Chun
    FRESENIUS ENVIRONMENTAL BULLETIN, 2015, 24 (11C): : 4205 - 4211