研究目的
The development of renewable energy schemes requires the scalable production of highly robust electrocatalysts using a sustainable synthesis process that does not generate toxic liquid wastes.
研究成果
The binder-free Pt, Ru, and Ni NPs supported on few-layer graphene generated using the LANP strategy can serve as practical, active, and robust electrocatalysts for water splitting reactions in advanced electrolyzer technology. The size and quantity of the spherical NPs present on the conductive carbon surface can be tuned by adjusting the LANP parameters such as the laser power, the scribing speed, and the source thickness.
研究不足
The technical and application constraints of the experiments, as well as potential areas for optimization, include the need for further tuning of LANP parameters to optimize the size and quantity of the Pt NPs embedded in the few-layer graphene matrix.
1：Experimental Design and Method Selection:
An industrial laser system is utilized to prepare electrocatalysts in a continuous fashion using a laser-induced-forward-transfer-assisted nanomaterial preparation (LANP) method without generating liquid wastes.
2：Sample Selection and Data Sources:
Unmodified microscope glass slides or polyimide (PI) film was used as the substrate. A layer of Pt, Ru, or Ni on a PI film was used as the LANP source.
3：List of Experimental Equipment and Materials:
A DMG Lasertec 40 system equipped with a Nd:YAG 1064 nm laser operating in continuous wave (CW) mode was used for all additive manufacturing, LANP, and scribing processes.
4：Experimental Procedures and Operational Workflow:
LANP was conducted using a scribing speed between 300 mm/s and 800 mm/s with a laser power of 2 W, 3 W, or 4 W.
5：Data Analysis Methods:
Transmission electron microscopy (TEM), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS), and X-ray powder diffraction (XRD) were used to examine the laser-generated Pt/C construct.
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