BiOIO3/graphene interfacial heterojunction for enhancing gaseous heavy metal removal
- Resource Type
- Authors
- Xiaokun Man; Jiang Wu; Tao Jia; Guo Zihan; Yongfeng Qi; Xu Yiqing; Yang Ling; Qizhen Liu; Xuemei Qi; Qiang Wu
- Source
- Materials Research Bulletin. 122:110620
- Subject
- Materials science
Graphene
Mechanical Engineering
Composite number
Oxide
chemistry.chemical_element
Heterojunction
02 engineering and technology
010402 general chemistry
021001 nanoscience & nanotechnology
Condensed Matter Physics
01 natural sciences
0104 chemical sciences
Bismuth
law.invention
chemistry.chemical_compound
chemistry
Chemical engineering
Mechanics of Materials
law
Photocatalysis
General Materials Science
0210 nano-technology
Iodate
Visible spectrum
- Language
- ISSN
- 0025-5408
Bismuth oxide iodate (BiOIO3) was used to remove elemental mercury (Hg0) in recent years, due to its suitable position of valence band. While its low response to visible light and high recombination rate of electron-hole pairs limit the industrial application. In this work, the BiOIO3/graphene heterostructures were prepared successfully via the hydrothermal method, and series of characterization analysis were implemented. The prepared BiOIO3/GR composite have enhanced photocatalytic properties than pure BiOIO3. The density functional theoretical (DFT) calculation of the interfacial heterojunction between BiOIO3 (010) facet and graphene sheet further verifies the internal mechanism of improving photocatalytic performance. This work will give some help for mercury pollution control in coal-fired power plant and other similar pollutant control areas.