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241016s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c03054
|2 doi
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|a eng
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|a R, Thrilokraj
|e verfasserin
|4 aut
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|a Green Approach for the Synthesis of 2-Phenyl-2H-indazoles and Quinazoline Derivatives Using Sustainable Heterogeneous Copper Oxide Nanoparticles Supported on Activated Carbon and OER Study
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a Date Revised 16.10.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a This research work reports the synthesis of copper oxide (CuO) nanoparticles supported on activated carbon by a simple impregnation method using 2-propanol as a green solvent, followed by calcination. The synthesized CuOC is used as an efficient heterogeneous nanocatalyst for the synthesis of 2H-indazoles and quinazolines utilizing commercially available 2-bromobenzaldehydes, primary amines, and sodium azide under ligand-free and base-free conditions. The present methodology demonstrates the formation of new N-N, C-N, and C═N bonds under one-pot reaction conditions using PEG-400 as a green solvent. The reaction pathways are supported by control experiments and mechanistic elucidation. Further, the synthesized catalyst was characterized by a range of microscopic and spectroscopic techniques such as powdered X-ray diffraction, fourier transform infrared spectroscopy, field emission scanning electron microscopy, energy-dispersive X-ray, UV-vis, X-ray photoelectron spectroscopy, high-resolution transmission electron microscopy, and BET-BJH analysis. Importantly, the study focused on the recyclability of the catalyst and successfully showed gram-scale production. Significantly, our active catalyst exhibited an outstanding performance in the oxygen evolution reaction, with an overpotential of 290 mV and a swallow Tafel slope of 91 mV dec-1
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|a Journal Article
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|a Kumar, Maruboina Hemanth
|e verfasserin
|4 aut
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|a Ankalgi, Vishwanath
|e verfasserin
|4 aut
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|a Shaikh, Shoyebmohamad F
|e verfasserin
|4 aut
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|a Al-Enizi, Abdullah M
|e verfasserin
|4 aut
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|a Małecki, Jan Grzegorz
|e verfasserin
|4 aut
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|a Kshirsagar, Umesh A
|e verfasserin
|4 aut
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|a Rout, Chandra Sekhar
|e verfasserin
|4 aut
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|a Dateer, Ramesh B
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g (2024) vom: 15. Okt.
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|u http://dx.doi.org/10.1021/acs.langmuir.4c03054
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