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2篇 您的检索式:作者名="Manjunatha Kempasiddaiah"
    题名 作者 年代 出处 被引量
1Efficient and recyclable palladium enriched magnetic nanocatalyst for reduction of toxic environmental pollutants显示文摘In this paper,highly stable,powerful,and recyclable magnetic nanoparticles tethered Nheterocyclic carbene-palladium(Ⅱ)((CH_(3))_(3)-NHC-Pd@Fe_(3)O_(4))as magnetic nanocatalyst was successfully synthesized from a simplistic multistep synthesis under aerobic conditions through easily available low-cost chemicals.Newly synthesized(CH_(3))_(3)-NHC-Pd@Fe_(3)O_(4) magnetic nanocatalyst was characterized from various analytical tools and catalytic potential of the(CH_(3))_(3)-NHC-Pd@Fe_3 O_4 magnetic nanocatalyst was studied for the catalytic reduction of toxic 4-nitrophenol(4-NP),hexavalent chromium(Cr(Ⅵ)),Methylene Blue(MB)and Methyl Orange(MO)at room temperature in aqueous media.UV-Visible spectroscopy was employed to monitor the reduction reactions.New(CH_(3))_(3)-NHC-Pd@Fe_(3)O_(4) magnetic nanocatalyst exhibited excellent catalytic activity for the reduction of toxic environmental pollutants.Moreover,(CH_(3))_(3)-NHC-Pd@Fe_(3)O_(4) magnetic nanocatalyst could be easily and rapidly separated from the reaction mixture with the help of an external magnet and recycled minimum five times in reduction of 4-NP,MB,MO and four times in Cr(Ⅵ)without significant loss of catalytic potential and remains stable even after reuse.Manjunatha Kempasiddaiah Vishal Kandathil Ramesh B.Dateer Mahiuddin Baidya Shivaputra A.Patil Siddappa A.Patil 2021Journal of Environmental Sciences2021,33,3:1
2Pd/Fe_(3)O_(4) supported on bio-waste derived cellulosic-carbon as a nanocatalyst for C-C coupling and electrocatalytic application显示文摘The current work describes the synthesis of a new bio-waste derived cellulosic-carbon supportedpalladium nanoparticles enriched magnetic nanocatalyst(Pd/Fe_(3)O_(4)@C)using a simple multi-step process under aerobic conditions.Under mild reaction conditions,the Pd/Fe_(3)O_(4)@C magnetic nanocatalyst demonstrated excellent catalytic activity in the Hiyama cross-coupling reaction for a variety of substrates.Also,the Pd/Fe_(3)O_(4)@C magnetic nanocatalyst exhibited excellent catalytic activity up to five recycles without significant catalytic activity loss in the Hiyama cross-coupling reaction.Also,we explored the use of Pd/Fe_(3)O_(4)@C magnetic nanocatalyst as an electrocatalyst for hydrogen evolution reaction.Interestingly,the Pd/Fe_(3)O_(4)@C magnetic nanocatalyst exhibited better electrochemical activity compared to bare carbon and magnetite(Fe_(3)O_(4)nanoparticles)with an overpotential of 293 mV at a current density of 10 mA·cm^(–2).Vishal Kandathil Akshay Moolakkil Pranav Kulkarni Alaap Kumizhi Veetil Manjunatha Kempasiddaiah Sasidhar Balappa Somappa R.Geetha Balakrishna Siddappa A.Patil 2022Frontiers of Chemical Science and Engineering2022,16,10:0
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