研究目的
Investigating the catalytic prowess of Pd nanoparticles on carbon cloth for the degradation of environmental pollutants in aqueous medium.
研究成果
The study successfully demonstrated the fabrication of Pd NPs on carbon cloth using LAL and their application in the catalytic reduction of environmental pollutants. The CC/Pd NPs system showed high stability, catalytic performance, and reusability, making it a promising candidate for environmental treatment applications.
研究不足
The study focuses on the catalytic reduction of specific pollutants and may not cover all types of environmental contaminants. The scalability of the LAL method for large-scale applications is not discussed.
1：Experimental Design and Method Selection:
Laser ablation in liquid (LAL) was used for the fabrication of Pd nanoparticles, followed by a simple stirring method to deposit Pd NPs on carbon cloth (CC).
2：Sample Selection and Data Sources:
Carbon cloth (CH-700) was used as the substrate.
3：List of Experimental Equipment and Materials:
A fiber laser (RFL-P30Q), SEM, XRD, FT-IR, EDS, and ICP-AES were used for characterization.
4：Experimental Procedures and Operational Workflow:
The CC was cleaned, and Pd NPs were deposited via LAL. The catalytic activity was tested in the reduction of 4-NP, Cr(VI), CR, and MB using NaBH4 or HCOOH as reductants.
5：Data Analysis Methods:
UV/Vis spectroscopy was used to monitor the reduction processes.
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Inductively coupled plasma atomic emission spectroscopy
ICP-AES, IRIS Intrepid 11 XDL model
Thermo electron corporation
Determined the amount of Pd NPs in the CC/Pd
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Carbon cloth
CH-700
Kuraray Chemical Co. Ltd.
Substrate for the deposition of Pd nanoparticles
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Fiber laser
RFL-P30Q
Used for laser ablation in liquid (LAL) process
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Fourier transform infrared spectrometer
FT-IR, Thermo Nicolet
USA
Investigated functional groups of samples
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X-ray diffraction
XRD, Unisantis xmd300
Assessed structures of samples
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Scanning electron microscope
SEM, Cam scan MV2300
Studied morphology of samples
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Energy-dispersive X-ray spectrometry
EDX
Studied presence of Pd NPs on the CC surface
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Double-beam UV/Vis spectrophotometer
Hitachi, U-2900
Recorded the reduction of organic/inorganic pollutants
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