Sustainable Synthesis of Ruthenium-Palladium-Based Nanonet Assembly for Efficient Reduction of 4-Nitrophenol and Nitrofurantoin

被引:10
作者
Veerakumar, Pitchaimani [1 ]
Sangili, Arumugam [2 ]
Chen, Shen-Ming [2 ]
Karuppusamy, Naveen [2 ]
机构
[1] Saveetha Univ, Saveetha Inst Med & Tech Sci SIMATS, Ctr Mol Med & Diagnost COMManD, Dept Biochem,Saveetha Dent Coll & Hosp, Chennai 600077, India
[2] Natl Taipei Univ Technol, Dept Chem Engn & Biotechnol, Electroanal & Bioelectrochem Lab, Taipei 106, Taiwan
关键词
Palladium; Ruthenium; Sodium borohydride; 4-Nitrophenol; Nitrofurantoin; BIMETALLIC RUPD NANOPARTICLES; SHAPE-CONTROLLED SYNTHESIS; CATALYTIC-ACTIVITY; GOLD NANOPARTICLES; GRAPHENE OXIDE; ALLOY NANOPARTICLES; MAGNETIC-PROPERTIES; SIZE; HYDROGENATION; AG;
D O I
10.1021/acsanm.3c03352
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Polyol techniques have recently emerged as viable soft chemical approaches for the production of ultrafine metal crystals. In this work, we described a simple method of ruthenium nanochains ornamented on an octahedral palladium (RuNCs@Oct-Pd) hybrid nanonet assembly synthesized by using polyvinylpyrrolidone (PVP, stabilizing agent) and 1,2-propanediol (1,2-PD, reducing solvent). The prepared nanonet assembly plays a vital role for reduction of toxic nitro substances such as (4-nitrophenol, 4-NP) and hazardous antimicrobial agents (nitrofurantoin, NFT). The morphology of the nanonet assembly was tested by XRD, SEM, FE-TEM, XPS, and UV-vis spectral techniques. The RuNCs@Oct-Pd nanonet assembly demonstrates enhanced catalytic reduction of 4-NP and NFT using NaBH4 (reductant) at ambient temperature. The RuNCs@Oct-Pd hybrid nanonet assembly exhibited a higher rate constant (k(app) = 0.4332 s(-1)) and turnover frequency (TOF = 5.0 x 10(-2) s(-1)) than commercial catalysts like Ru/C and Pd/C because of substantial catalytic active sites, high surface-to-volume ratio, rapid surface-hydrogen transfer, and superior stability. Furthermore, the hybrid catalyst in this combination showed outstanding durability and reusability, making it suitable for real-world applications.
引用
收藏
页码:19740 / 19755
页数:16
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