نتایج جستجو برای: palladium doped

تعداد نتایج: 60373  

The cross-coupling reaction between phenylboronic acid and various types of aryl halides (Suzuki reaction) was carried out using a catalytic amount of a new palladium catalyst (1-benzyl-3-(1-benzyl-1-methylpyrrolidin-1-ium-2-yl) pyridin-1-ium palladium chloride [DBNT][PdCl4]) in poly (ethylene glycol) (PEG-200) in the presence of KOH as the base. This new catalyst was synthesized and...

Journal: :Journal of Inorganic Biochemistry 2021

Palladium catalysed reactions are ubiquitous in synthetic organic chemistry both solvents and aqueous buffers. The broad reactivity of palladium catalysis has drawn interest as a means to conduct orthogonal transformations biological settings. Successful examples have been shown for protein modification, vivo drug decaging palladium-protein biohybrid catalysts selective catalysis. Biological me...

2018
Zhanglian Xu Takashi Okada Susumu Yonezawa

During reductive heat-treatment of bismuth borosilicate glass with palladium and selenium, palladium is extracted along with bismuth as a liquid metal phase. Selenium may then be extracted from the oxide phase in a subsequent water-leaching step. However, selenium extraction can be hindered by partial transfer of the selenium to the metal. To suppress such selenium transport, the effect of vary...

2002
T. N. Claytor D. G. Tuggle

Over the past year we have been able to demonstrate that a plasma loading method produces an exciting and unexpected amount of tritium from small palladium wires. In contrast to electrochemical hydrogen or deuterium loading of palladium, this method yields a reproducible tritium generation rate when various electrical and physical conditions are met. Small diameter wires (100 250 microns) have ...

2012
Jun-Hyun Kim Joon-Seo Park Hae-Won Chung Brett W. Boote Randall Lee

This report describes the preparation and characterization of palladium nanoshells protected with alkanethiol self-assembled monolayers (SAMs) and their application as efficient catalysts. Monodispersed silica core particles (y100 nm in diameter) were prepared and coated with a thin layer of palladium (y20 nm in thickness). Subsequently, the palladium nanoshells were treated with two separate a...

Journal: :ChemNanoMat 2023

Hydrogen production through electrochemical water splitting has gained significant attention owing to its environmental benefits over traditional methods. However, designing an efficient electrocatalyst for the hydrogen evolution reaction (HER) in alkaline electrolyte remains a challenge. In this study, colloidal Pd‐doped Ni2P nanoparticles were prepared via thermal decomposition‐based strategy...

Journal: :Coatings 2021

In the present article doping of aluminide coatings by Pt/Pd as well Hf or Pd using industrial processes was developed. The different combinations elements were tested their influence on chemical composition initially investigated. Pt and both + electroplated surface MAR M247 nickel superalloy. Zr doped during low activity CVD aluminizing process Bernex BPX Pro 325S system. conducted research s...

Journal: :New Journal of Chemistry 2022

Low palladium content in the hybrid bimetallic copper-palladium zeolite catalysts is beneficial for dimethyl ether production from CO 2 .

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