In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Heteroatom-Mediated Interactions between Ruthenium Single Atoms and an MXene Support for Efficient Hydrogen Evolution, published in 2019, which mentions a compound: 14898-67-0, mainly applied to heteroatom ruthenium atom MXene support efficient hydrogen; MXene; hydrogen evolution; photocathodes; single atom catalysts, Product Details of 14898-67-0.
A titanium carbide (Ti3C2Tx) MXene is employed as an efficient solid support to host a nitrogen (N) and sulfur (S) coordinated ruthenium single atom (RuSA) catalyst, which displays superior activity toward the hydrogen evolution reaction (HER). X-ray absorption fine structure spectroscopy and aberration corrected scanning TEM reveal the at. dispersion of Ru on the Ti3C2Tx MXene support and the successful coordination of RuSA with the N and S species on the Ti3C2Tx MXene. The resultant RuSA-N-S-Ti3C2Tx catalyst exhibits a low overpotential of 76 mV to achieve the c.d. of 10 mA cm-2. Furthermore, integrating the RuSA-N-S-Ti3C2Tx catalyst on n+np+-Si photocathode enables photoelectrochem. hydrogen production with exceptionally high photocurrent d. of 37.6 mA cm-2 that is higher than the reported precious Pt and other noble metals catalysts coupled to Si photocathodes. D. functional theory calculations suggest that RuSA coordinated with N and S sites on the Ti3C2Tx MXene support is the origin of this enhanced HER activity. This work would extend the possibility of using the MXene family as a solid support for the rational design of various single atom catalysts.
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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”