研究目的
To design and develop novel and highly efficient visible-light-driven photocatalysts for environmental remediation and clean energy conversion.
研究成果
PPECu/NiFe2O4 composites possessed enhanced activities for PPCPs degradation and hydrogen production. The loading of NiFe2O4 not only increased the visible light absorption intensity of composites but also promoted the separation of photoinduced electron-holes.
研究不足
The hydrophobicity of PPECu results in that dry PPECu powder is hard to disperse into water.
1：Experimental Design and Method Selection:
A simple coprecipitation method was used to prepare PPECu/NiFe2O4 composites.
2：Sample Selection and Data Sources:
All reagents were of analytical purity and directly used in the experiment.
3：List of Experimental Equipment and Materials:
XRD, FE-SEM, TEM, EDS, UVevis spectrophotometer, photocatalytic reactor, gas chromatography.
4：Experimental Procedures and Operational Workflow:
Preparation of Cu2(OH)3OAc·H2O, preparation of PPECu/NiFe2O4, characterization, photocatalytic experiments for TC degradation and H2 production.
5：Data Analysis Methods:
The band gap energy (Eg) of the samples was estimated by the formula based on the UVevis DRS results.
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Scanning Electron Microscope
S4800
Hitachi
Obtaining SEM images of as-prepared samples.
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Transmission Electron Microscopy
Tecnai G2 F20
FEI
Obtaining TEM images of as-prepared samples.
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UVevis Spectrophotometer
UV-2700
Shimadzu
Recording the diffuse reflectance spectra (DRS) of as-prepared catalysts.
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Gas Chromatography
GC-14C
Shimadzu
Measuring the generated hydrogen.
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X-ray Diffractometer
DX-2700BH
Haoyuan
Characterization of the crystal phases and composition of the as-prepared photocatalysts.
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Photocatalytic Reactor
BL-GHX-V
Shanghai Bilang Instrument Co., Ltd.
Carrying out photocatalytic degradation of TC experiments.
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