Results 11 to 20 of about 24,942 (205)

Highly efficient and recyclable Fe3C/Au@NG catalyst for 4-nitrophenol reduction

Catalysis Communications, 2021
In this study, we synthesized uniform Au nanoparticles (NPs) within the pore channels of Fe3C@NG via a simple chemical method. The resulting Fe3C/Au@NG composite catalyst was characterized, and its catalytic performance in the reduction of 4-nitrophenol (
Yan-Lin Wang, Yong-Ming Dai, Mei-Hui Tsai   +2 more
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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
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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

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
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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
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Heterogenous Nanocomposite Catalysts With Rhenium Nanostructures for the Catalytic Reduction of 4-nitrophenol [PDF]

Scientific Reports, 2021
Abstract Stable and efficient heterogenous nanocatalysts for the reduction of 4-nitrophenol (4-NP) has attracted much attention in recent years. In this context, a unique and efficient in-situ approach is used for the production of new polymeric nanocomposites (pNCs) containing rhenium nanostructures (ReNSs).
Piotr Cyganowski, Anna Dzimitrowicz
openaire   +3 more sources

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
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Self-assembled palladium nanoflowers supported on fullerene: Electrochemical catalytic performance for the reduction of 4-nitrophenol

Electrochemistry Communications, 2019
Loading metal nanoparticles on the surface of nanosheet supports is an attractive approach to enhancing their catalytic performance. Herein, palladium nanoflowers (Pd NFs) were prepared on amino-functionalized fullerene (C60-NH2) by hydrothermal self ...
Zhongping Li, Yuxin Zhang, Ruiqi Zhu, Guangming Wen, Chuan Dong, Hung-Wing Li   +5 more
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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

High Catalytic Efficiency of Nanostructured β-CoMoO4 in the Reduction of the Ortho-, Meta- and Para-Nitrophenol Isomers

Molecules, 2018
Nanostructured β-CoMoO4 catalysts have been prepared via the thermal decomposition of an oxalate precursor. The catalyst was characterized by infrared spectroscopy (FTIR), X-ray diffraction (XRD), Brunauer-Emmett-Teller method (BET), energy dispersive X ...
Fahd Al-Wadaani, Ahmed Omer, Mostafa Abboudi, Hicham Oudghiri Hassani, Souad Rakass, Mouslim Messali, Mohammed Benaissa   +6 more
doaj   +1 more source