Chemistry is the science of change. But why do chemical reactions take place? Why do chemicals react with each other? The answer is in thermodynamics and kinetics, 58481-14-4, Name is Ethyl 2-cyanoisonicotinate, SMILES is O=C(OCC)C1=CC=NC(C#N)=C1, belongs to pyridine-derivatives compound. In a document, author is Wei, Rui-Lin, introduce the new discover, Formula: https://www.ambeed.com/products/58481-14-4.html.
Efficient decomposition of formic acid into hydrogen on Pd nanoparticles anchored in amine- pyridine polymer networks without extra additives at ambient condition
Palladium (Pd) is considered as the most promising catalyst for hydrogen production from formic acid decomposition (FAD), but pristine Pd catalysts are less active and readily to perform activity decay by CO poisoning. Thus the modulation of Pd is critical for its application in H-2 production from FAD. Here a Pd/APPNs catalysts by anchoring ca. 2.1 +/- 0.3 nm Pd nanoparticles in the amino-pyridine polymer networks (designated as APPNs) was designed based on so-called metal-support interaction. The strong interaction between Pd and N of amine-pyridine unites was demonstrated by the X-ray photoelectron spectroscopic (XPS) analysis. It suggests the electron transfer between N and Pd, which could lower the d-band center of Pd and further effectively enhance the FAD catalysis performance. The initial FAD TOF value of 512 h(-1) and the activation energy (Ea) of ca. 22.1 kJ mol(-1) give a proper proof for the catalysis enhancement. And the third time FAD run still show a 442 h(-1) TOF, indicating an excellent catalysis stability. In addition, the production analysis by Gas chromatography (GC) show that no CO was detected. This CO-free production was also confirmed through no observation of Surface-enhanced Adsorption Infrared Spectral (SEIRAS) band at 1700-2100 cm(-1) (i.e. the COad species) on Pd/ANNPs surface. This work indicates that direct modification of Pd by the functionalized support (metal-support interaction) could effective enhance the FAD catalysis performance, although further work combined with other tuning means should be push forward. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 58481-14-4 is helpful to your research. Formula: https://www.ambeed.com/products/58481-14-4.html.
Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem