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河北祥鹄科学仪器有限公司

Microwave preparation of vertically aligned interlayer-extended MoS2 nanosheets on a carbon support for hydrogen evolution elect

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This paper by Australian scientists on a simple microwave synthesis method for perpendicular interlaminar extended MoS2 nanoparticles on carbon carriers for hydrogen evolution is published in material Chemistry with an effect factor of 9.890. In recent years, the research work of microwave chemical instrument used in the synthesis of materials has become a hot direction of scientific research, which has been paid great attention to by many scholars!

Abstract

This work describes the simple microwave synthesis of interlaminar expanded nanocrystalline MoS2 wafers, perpendicular to (rGO) supported by well-conducting reduced graphene, and characterized by X-ray diffraction, Raman and X-ray photoelectron spectroscopy. Scanning electron microscopy (SEM) and high resolution transmission electron microscope (TEM) with energy dispersive X-ray analysis were used. It has been predicted that this structure is very beneficial to the effective electrocatalysis of hydrogen precipitation by MoS2, but it has not been realized until now.

 

The films deposited by MoS2-rGO composites synthesized by microwave have excellent and stable hydrogen evolution properties in acid solution. The exchange current density of these catalysts was as high as 1.0 ±0.2 Ag (-1) MoS2-rGO, and maintained a current density of 10 mA cm-2 (36 Ag (-1) MoS2-rGO) at an overvoltage of 0.104 ±0.002 V for several hours. Importantly, our simple synthesis offers several advantages over the more complex methods previously used to prepare MoS2 catalysts.

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Conclusion

The films deposited by MoS2-rGO composites synthesized by microwave have excellent and stable hydrogen evolution properties in acid solution. The exchange current density of these catalysts was as high as 1.0 ±0.2 Ag (-1) MoS2-rGO, and maintained a current density of 10 mA cm-2 (36 Ag (-1) MoS2-rGO) at an overvoltage of 0.104 ±0.002 V for several hours. Importantly, our simple synthesis offers several advantages over the more complex methods previously used to prepare MoS2 catalysts.

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