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Research article
Fubin Jiang
Beijing normal university
Corresponding Author
ORCiD: https://orcid.org/0000-0003-2120-2827
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A binary direct Z-scheme LaNiO 3 /g-C 3 N 4 nanocomposite photocatalyst consisted with LaNiO 3 nanoparticles and g-C 3 N 4 nanosheets was successfully synthesized by means of mechanical mixing and solvothermal methods in order to improve the photocatalytic water splitting activity. The as-prepared materials were characterized by powder X-ray diffraction (XRD), Scanning Electron microscope (SEM), Transmission Electron microscope (TEM), X-ray photoelectron spectroscope (XPS), Fourier Transform Infrared Spectroscopy (FT-IR) and N 2 adsorption-desorption experiments, respectively, demonstrating the formation of interfacial interaction and heterogeneous structure in LaNiO 3 /g-C 3 N 4 nanocomposites. Under UV-light irradiation, the LaNiO 3 /g-C 3 N 4 samples which without the addition of any noble metal as co-catalyst behaved enhanced photocatalytic water splitting activity compared with pure LaNiO 3 and g-C 3 N 4 , owing to the Z-scheme charge carrier transfer pathway. Especially, the LaNiO 3 /70%g-C 3 N 4 nanocomposite reach an optimal yield of up to 3392.50 µmol g -1 in 5 h and held a maximum H 2 evolution rate of 678.5 µmol h -1 g -1 that was 5 times higher than that of pure LaNiO 3 .
Keywords
LaNiO3, Polymeric graphitic carbon nitride, Z-scheme heterostructure, Photocatalysis, Hydrogen production
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See the published version of this preprint at BMC Chemistry.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research article
Fubin Jiang
Beijing normal university
Corresponding Author
ORCiD: https://orcid.org/0000-0003-2120-2827
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at BMC Chemistry.
Version 1
Posted 20 May, 2020
No community comments so far
Editor assigned
On 14 May, 2020
Submission checks complete
On 13 May, 2020
Editor invited
On 13 May, 2020
First submitted
On 28 Apr, 2020
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
Subject Areas
Nanoscience
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at BMC Chemistry.
A binary direct Z-scheme LaNiO 3 /g-C 3 N 4 nanocomposite photocatalyst consisted with LaNiO 3 nanoparticles and g-C 3 N 4 nanosheets was successfully synthesized by means of mechanical mixing and solvothermal methods in order to improve the photocatalytic water splitting activity. The as-prepared materials were characterized by powder X-ray diffraction (XRD), Scanning Electron microscope (SEM), Transmission Electron microscope (TEM), X-ray photoelectron spectroscope (XPS), Fourier Transform Infrared Spectroscopy (FT-IR) and N 2 adsorption-desorption experiments, respectively, demonstrating the formation of interfacial interaction and heterogeneous structure in LaNiO 3 /g-C 3 N 4 nanocomposites. Under UV-light irradiation, the LaNiO 3 /g-C 3 N 4 samples which without the addition of any noble metal as co-catalyst behaved enhanced photocatalytic water splitting activity compared with pure LaNiO 3 and g-C 3 N 4 , owing to the Z-scheme charge carrier transfer pathway. Especially, the LaNiO 3 /70%g-C 3 N 4 nanocomposite reach an optimal yield of up to 3392.50 µmol g -1 in 5 h and held a maximum H 2 evolution rate of 678.5 µmol h -1 g -1 that was 5 times higher than that of pure LaNiO 3 .
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
The full text of this article is available to read as a PDF.
This is a list of supplementary files associated with this preprint. Click to download.
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