Synergistic effect of bimetallic Cu:Ni nanoparticles for the efficient catalytic conversion of 4-nitrophenol

Seethapathy, Vivek; Sudarsan, Preethi; Pandey, Anurag Kumar; Pandiyan, Arunkumar; Kumar, T. H. Vignesh; Kannan, S.; Sundramoorthy, Ashok K.; Moorthy, Suresh Babu Krishna

doi:10.1039/c8nj05649h

Cited by 35 publications

(9 citation statements)

References 36 publications

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“…Bimetallic nanoparticles like Cu−Zn, Cu−Co, Cu−Ni, Ni−Fe, and Ni−Co−Al have shown high catalytic activity in conventional hydrogenation of HMF with H 2 , presumably due to hybrid geometric structures and synergistic electronic coupling between different metal components [72] . Copper is a popular choice due to its low cost, suitability for large‐scale production, and poor H 2 evolution [3a,67,73] . Roylance et al.…”

Section: Electrochemical Reduction Strategiesmentioning

confidence: 99%

Advances in Electrochemical Modification Strategies of 5‐Hydroxymethylfurfural

et al. 2021

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The development of electrochemical catalytic conversion of 5‐hydroxymethylfurfural (HMF) has recently gained attention as a potentially scalable approach for both oxidation and reduction processes yielding value‐added products. While the possibility of electrocatalytic HMF transformations has been demonstrated, this growing research area is in its initial stages. Additionally, its practical applications remain limited due to low catalytic activity and product selectivity. Understanding the catalytic processes and design of electrocatalysts are important in achieving a selective and complete conversion into the desired highly valuable products. In this Minireview, an overview of the most recent status, advances, and challenges of oxidation and reduction processes of HMF was provided. Discussion and summary of voltammetric studies and important reaction factors (e. g., catalyst type, electrode material) were included. Finally, biocatalysts (e. g., enzymes, whole cells) were introduced for HMF modification, and future opportunities to combine biocatalysts with electrochemical methods for the production of high‐value chemicals from HMF were discussed.

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Section: Electrochemical Reduction Strategiesmentioning

confidence: 99%

Advances in Electrochemical Modification Strategies of 5‐Hydroxymethylfurfural

et al. 2021

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“…In the process, the kinetics of reduction reaction is greatly facilitated due to the presence of catalyst. [21][22] The potential mechanism In the whole process, the AC not only promotes electron transfer, but also facilitates the adsorption of 4-NP. [23][24] Moreover, the catalytic activity of as-prepared catalysts is superior to those reported in the literature.…”

Section: Resultsmentioning

confidence: 99%

Magnetic CuFe 2 O 4 nanoparticles highly dispersed on coal-based activated carbons: a recoverable catalyst for the reduction of 4-nitrophenol, congo red, and rhodamine B

Zhang

Tang

Gao

et al. 2022

Preprint

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Here, we report a simple co-precipitation and heat treatment routine for preparing CuFe2O4/activated carbons (AC) magnetic catalyst assisted by trisodium citrate (TSC), in which CuFe2O4 nanoparticles are uniformly distributed onto coal-derived activated carbons (AC). The CuFe2O4/AC nanocomposites exhibit brilliant catalytic performance for the reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) in comparison with previous reported catalysts. Furthermore, it was found that the nanocomposite can effectively degrade anionic and cationic dyes (rhodamine B and congo red) in wastewater. Importantly, the CuFe2O4/AC catalyst can be facilely separated by the external magnetic field and revealed favorable stability. The excellent catalytic activity of the CuFe2O4/AC catalyst can be mainly attributed to the synergistic coupling between the coal-based activated carbon (AC) with a high surface area and CuFe2O4 nanoparticles with a small size. The combination of co-precipitation and heat treatment can be applied in preparing other catalysts used in the industry.

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“…Additionally, microwave-assisted hydrothermal synthesis of Cu-Co embedded in nitrogen doped carbon (CuCo-N/C) was also reported [123]. In addition, other bimetallic nanoparticles were synthesized using this method, including Au-Pt and Au-Pt [69], Ni-Cu [124,125], Ce-Fe [126], Co-Ni [127], Pt-Pd [128], Pt-Ru [129], Ti-Zr [130], Pd@Au [131] and multi-walled carbon nanotube Ni-Mn-S tri-metallic nanoparticle.…”

Section: Hydrothermal Reduction Methodsmentioning

confidence: 99%

Synthesis of Bimetallic Nanoparticles and Applications—An Updated Review

Idris

Roy

2023

Crystals

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The manipulation of matter at the atomic level (nanotechnology) has experienced an explosion in research interest in recent years. Bimetallic nanoparticles are vital due to their high biocompatibility, stability and comparatively less toxicity. The synthesis methods that include physical, chemical and biological methods are explored and explained in detail, along with their advantages. They have a wide range of applications due to their synergistic properties including biological applications (in medicine and agriculture), environmental application (in water treatment and removal of toxic contaminants), engineering application (in nanosensors, nanochips and nano-semiconductors) and chemical and physical application (in optics, catalysis and paints). The green synthesis approach is a promising method of synthesis that can give rise to more biocompatible and less toxic bimetallic nanoparticles due to increasing environmental pollution. However, despite these interesting attributes of bimetallic nanoparticle, there is still much work to be done to improve the biocompatibility of bimetallic nanoparticles because of their toxicity and potentially hazardous effects.

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Synergistic effect of bimetallic Cu:Ni nanoparticles for the efficient catalytic conversion of 4-nitrophenol

Abstract: A non-noble metal-based bimetallic Cu–Ni system for the conversion of 4-nitrophenol and effective recyclability by magnetic retrieval of the catalyst.

Cited by 35 publications

References 36 publications

Advances in Electrochemical Modification Strategies of 5‐Hydroxymethylfurfural

Advances in Electrochemical Modification Strategies of 5‐Hydroxymethylfurfural

Magnetic CuFe 2 O 4 nanoparticles highly dispersed on coal-based activated carbons: a recoverable catalyst for the reduction of 4-nitrophenol, congo red, and rhodamine B

Synthesis of Bimetallic Nanoparticles and Applications—An Updated Review

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