Results 11 to 20 of about 16,727 (247)

A synergetic effect of sonication with yolk-shell nanocatalyst for green synthesis of spirooxindoles

Green Chemistry Letters and Reviews, 2021
A synergetic effect of ultrasonic irradiation and yolk–shell nanocatalyst was examined for the synthesis of spirooxindoles from isatin, malononitrile and cyclohexanone.
Somaye Mohammadi, Hossein Naeimi
doaj   +1 more source

Efficient photocatalytic degradation of eosin blue dye and antibacterial study using nanostructured zinc oxide and nickel modified zinc oxide

Results in Chemistry, 2022
This article describes the fabrication of ZnO and 5% Ni2+ modified ZnO nanocatalyst (Ni/ZnO) for the photocatalytic degradation of eosin blue (EB) dye.
Mansi H. Magar, Vishnu A. Adole, Ravindra H. Waghchaure, Thansing B. Pawar   +3 more
doaj   +1 more source

Urea-Nitrate Combustion Synthesis and Physicochemical Characterization of CuO(20)/ZnO(30)/Al2O3(50) Nanocatalyst from Different Precursors Used in Hydrogen Production from Methanol [PDF]

شیمی کاربردی روز, 2014
In recent years, steam reforming of methanol has been attracted more attentions, because this process produces hydrogen as clean fuel that useful for fuel cells. In this study the influence of precursors of Al2O3 in CuO/ZnO/Al2O3 nanocatalyst preparation
Saeed Khajeh Talkhoncheh, Mohammad Haghighi, Mozaffar Abdollahifar, Hossein Ajamein   +3 more
doaj   +1 more source

Fe3O4@SiO2/AEPTMS/Fe(OTf)3: An efficient superparamagnetic nanocatalyst for the protecting of alcohols [PDF]

Journal of Particle Science and Technology, 2023
Fe3O4@SiO2/AEPTMS/Fe(OTf)3 is a stable, effective, and magnetic nanocatalyst easily prepared and characterized using FT-IR spectroscopy, SEM, TEM, and VSM techniques. This nanocatalyst was successfully applied for trimethylsilylation of numerous alcohols
Somayeh Mehdigholami, Esmaeil Koohestanian   +1 more
doaj   +1 more source

Rational design of a robust aluminum metal-organic framework for multi-purpose water-sorption-driven heat allocations

Nature Communications, 2020
Adsorption-based heat transfer devices are attractive for clean energy resources, but those using water as the working fluid require suitable water adsorbents.
Kyung Ho Cho, D. Damasceno Borges, U-Hwang Lee, Ji Sun Lee, Ji Woong Yoon, Sung June Cho, Jaedeuk Park, Walter Lombardo, Dohyun Moon, Alessio Sapienza, Guillaume Maurin, Jong-San Chang   +11 more
doaj   +1 more source

Magnetic Nanoparticles Linked to Pyridinium Hydrotribromide Groups as Catalysts for Selective Oxidation of Alcohols and Protection of Alcohols

Acta Chimica Slovenica, 2022
In this research, a novel magnetic nanocatalyst based on iron oxide nanoparticles linked with pyridinium hydrotribromide (Fe3O4@PyHBr3) was synthesized in three steps.
Sonia Tabari, Ali Reza Pourali, Ehsan Nazarzadeh Zare   +2 more
doaj   +1 more source

Ionic Liquid Co-Catalyst Assisted Biodiesel Production From Waste Cooking Oil Using Heterogeneous Nanocatalyst: Optimization and Characterization

Frontiers in Nanotechnology, 2022
In the present work, the biodiesel was produced from waste cooking oil (WCO) using heterogeneous zinc doped iron nanocatalyst and tetrabutylammonium iodide (TBAI) as co-catalyst.
Gurunathan Baskar, Nalathamalar T. Anita, Han Jeehoon, Han Jeehoon, Rajendran Naveenkumar   +4 more
doaj   +1 more source

Latest Advancements in Using Fe₃O₄@graphene Oxide Nanocatalyst for the Hydrogenation of Nitroarenes. [PDF]

ChemistryOpen
This review provides a comprehensive summary of recent advances in Fe3O4@graphene oxide magnetic nanocatalysts for the reduction of nitroarenes. The reduction of nitroarenes yields valuable intermediates that serve as key building blocks in the synthesis of agrochemicals and pharmaceuticals.
Payamifar S, Abdouss M, Sarreshtehdar Aslaheh H, Poursattar Marjani A.   +3 more
europepmc   +2 more sources

Reaction rate of a composite core-shell nanoreactor with multiple, spatially distributed embedded nano-catalysts [PDF]

, 2016
We present a detailed theory for the total reaction rate constant of a composite core-shell nanoreactor, consisting of a central solid core surrounded by a hydrogel layer of variable thickness, where a given number of small catalytic nanoparticles are ...
Angioletti-Uberti, Stefano, Ballauff, Matthias, Dzubiella, Joachim, Fanelli, Duccio, Galanti, Marta, Piazza, Francesco   +5 more
core   +5 more sources

Smart Nanocatalysts with Streamline Shapes [PDF]

ACS Central Science, 2017
Particulate catalysts with streamline shapes have important impacts on fluid-related reactions, and they need to be properly characterized. However, utilization of streamline-shaped catalysts for heterogeneous catalysis has remained an unexplored area due to the lack of easy-to-use techniques to produce such shaped catalysts, especially at the small ...
Guowu Zhan, Hua Chun Zeng
openaire   +3 more sources