Results 21 to 30 of about 47,039 (206)

The catalytic reduction of 4-nitrophenol using MoS2/ZnO nanocomposite

Applied Surface Science Advances, 2022
Nanocomposite MoS2/ZnO was prepared by an exfoliation process and characterized. A flower-like morphology was obtained for the hybrid where uniformly spread ZnO is stacked over thin layers of MoS2.
Madhushree R, Jadan Resnik Jaleel UC, Dephan Pinheiro, Sunaja Devi KR   +3 more
doaj   +1 more source

Synthesis and characterization of SiO2-NiO xerogel nanocomposite prepared by sol–gel method for catalytic reduction of p-nitrophenol

Journal of Taibah University for Science, 2022
This manuscript describes the preparation and characterization of silica-nickel oxide (SiO2-NiO) xerogel nanocomposite and its catalytic application in the hydrogenation of p-nitrophenol. Hydrochloric acid and ammonium hydroxide were used as the acid and
Syed Rashid Saeed, Muhammad Ajmal, Iram Bibi, Syed Sakhawat Shah, Muhammad Siddiq   +4 more
doaj   +1 more source

Nano-Polyoxotungstate [Cu20P8W48] Immobilized on Magnetic Nanoparticles as an Excellent Heterogeneous Catalyst Nanoreactors for Green Reduction of Nitrophenol Compounds

Journal of Spectroscopy, 2022
In this study, Cu20-polyoxotungstate [Cu20Cl(OH)24(H2O)12(P8W48O184)]25− supported on a magnetic substrate was used as a high-performance green method for the reduction of nitrophenol compounds such as 4-nitrophenol (4-NP) and 2,4,6-trinitrophenol (2,4,6-
Reza Haddad, Ali Roostaie
doaj   +1 more source

Reduction of 4-nitrophenol using green-fabricated metal nanoparticles

RSC Advances, 2022
Noble metal (silver (Ag), gold (Au), platinum (Pt), and palladium (Pd)) nanoparticles have gained increasing attention due to their importance in several research fields such as environmental and medical research.
Yetzin Rodriguez Mejía, Naveen Kumar Reddy Bogireddy   +1 more
openaire   +2 more sources

Electrochemical Detection of o-Nitrophenol on a Poly(propyleneimine)-gold Nanocomposite Modified Glassy Carbon Electrode

International Journal of Electrochemical Science, 2010
The electrochemical determination of o-nitrophenol by square wave voltammetry using a nanocomposite of generation 2 poly(propyleneimine) dendrimer and gold nanoparticles modified glassy carbon electrode is reported.
Thabile Ndlovu, Omotayo A. Arotiba, Rui W. Krause, Bhekie B. Mamba   +3 more
doaj   +1 more source

A simple and cost-effective new synthesis method of copper molybdate CuMoO4 nanoparticles and their catalytic performance

Journal of Science: Advanced Materials and Devices, 2021
Nanopowders of copper molybdate, α-CuMoO4, were prepared through calcination of an oxalate complex in static air at 550 °C. The oxalate complex was investigated by Fourier transform infrared spectroscopy and thermal gravimetric analysis.
Hicham Oudghiri Hassani, Mohamed Akouibaa, Souad Rakass, Mostafa Abboudi, Brahim El Bali, Mohammed Lachkar, Fahd Al Wadaani   +6 more
doaj   +1 more source

Development of polymeric hollow fiber membranes containing catalytic metal nanoparticules. [PDF]

, 2010
Metal nanoparticles (MNPs) have unique physico-chemical properties advantageous for catalytic applications which differ from bulk material. However, the main drawback of MNPs is their insufficient stability due to a high trend for aggregation.
Bruening, Merlin L., Lahitte, Jean-Francois, Macanás, Jorge, Muñoz, Maria, Ouyang, Lu, Remigy, Jean-Christophe   +5 more
core   +4 more sources

Theory of Solvation-Controlled Reactions in Stimuli-Responsive Nanoreactors [PDF]

, 2015
Metallic nanoparticles embedded in stimuli-responsive polymers can be regarded as nanoreactors since their catalytic activity can be changed within wide limits: the physicochemical properties of the polymer network can be tuned and switched by external ...
Angioletti-Uberti, Stefano, Ballauff, Matthias, Dzubiella, Joachim, Lu, Yan   +3 more
core   +4 more sources

2,6-Diiodo-4-nitrophenol, 2,6-diiodo-4-nitrophenyl acetate and 2,6-diiodo-4-nitroanisole: interplay of hydrogen bonds, iodo-nitro interactions and aromatic [pi]-[pi]-stacking interactions to give supramolecular structures in one, two and three dimensions [PDF]

, 2002
Peer reviewedPublisher ...
da Cunha, F R, Garden, S J, Glidewell, C, Low, J N, Skakle, J M S, Wardell, J L   +5 more
core   +1 more source

Catalytic reduction of 4-nitrophenol and methylene blue by biogenic gold nanoparticles synthesized using fruit (sour fig) extract

Nanomaterials and Nanotechnology, 2022
Along with the increasing requirement for efficient organic conversions using green chemistry, there is a need to develop highly efficient and eco-friendly catalytic reaction systems.
Abram M Madiehe, Koena L Moabelo, Keletso Modise, Nicole RS Sibuyi, Samantha Meyer, Admire Dube, Martin O Onani, Mervin Meyer   +7 more
doaj   +1 more source