NDLI: Study on Preparation and Photocatalytic Performance of Two-Dimensional Carbon Nitride Nanosheet Materials

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Study on Preparation and Photocatalytic Performance of Two-Dimensional Carbon Nitride Nanosheet Materials

Content Provider	Scilit
Author	Gao, Qiang Sun, Kun Cui, Yuchen Liu, Bin Liu, Chenguang
Copyright Year	2021
Description	Journal: Iop Conference Series: Earth and Environmental Science The thin $g-C_{3}N_{4}$ nanosheets were prepared by simple second-time etching approach with melamine as raw material. The microstructure, composition, thickness, specific surface area, and optical properties of the obtained materials were investigated by XRD, XPS, SEM, TEM, AFM, and BET. The results show that the specific surface area of the two-dimension ultrathin $g-C_{3}N_{4}$ nanosheets was as high as 139.42 $m^{2}$/g, and the thickness was around 5nm, which improved the response range to visible light and promoted the separation of photogenerated electron-hole pairs. The photocatalytic degradation performance of $g-C_{3}N_{4}$ nanosheets for organic pollutants was studied with dye wastewater as model pollutant, the removal efficiency of RhB solution (20 mg/L) reached 91.8% with 20mg catalyst after 30min reaction. The content of total organic carbon in the solution decreased by 58.7%, and the first-order kinetic rate constant was 10 times than that of $bulk-C_{3}N_{4}$, indicating the high catalytic activity. The stability was excellent since the activity of catalyst was not significantly reduced after used for four times.
Related Links	https://iopscience.iop.org/article/10.1088/1755-1315/825/1/012013/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/825/1/012013
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	1
Volume Number	825
Language	English
Publisher	IOP Publishing
Publisher Date	2021-07-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Specific Surface Area
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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