International Journal of Scientific Development and Research - IJSDR
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Issue: July 2021

Volume 6 | Issue 7

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Paper Title: Effective catalytic hydrogenation of carbon dioxide with an imine N^C^N PdII pincer complex and N^C^N (Pd0) nanoparticles
Authors Name: Nyasha Makuve
Unique Id: IJSDR2102032
Published In: Volume 6 Issue 2, February-2021
Abstract: Abstract A new N^C^N palladium pincer complex (C10) containing ligand (L4), was synthesised from [PdCl2(CH3CN)2] and fully characterised by spectroscopic and analytical techniques. Its catalytic activity in hydrogenation of CO2 to formate studied. Its nanoparticle nature (N^C^N-Pd/NPs) was established using UV-vis spectroscopy and high-resolution microscopic techniques such as HR-TEM. Catalytic hydrogenation of CO2 performed in the presence of THF/H2O solvent mixture and KOH resulted in a TON of 533 and 1.6 mmol formate yield. Though C10 could hydrogenate CO2 to formate it was forming nanoparticles during the hydrogenation process. Since nanoparticles were visibly formed during the reaction using C10, this complex was purposely reduced to form N^C^N pincer ligand supported Pd nanoparticles (N^C^N-Pd/NPs), which exhibited excellent CO2 hydrogenation performance in comparison to C10. Hydrogenation of CO2 to formate with N^C^N-Pd/NPs produced the highest TON of 937 with 2.81 mmol formate. Additionally, N^C^N-Pd/NPs were robust and could be reused four times without reducing catalytic activity
Keywords: CO2 hydrogenation, pincer complex, nanoparticles, formate, heterogeneous and homogeneous catalysis
Cite Article: "Effective catalytic hydrogenation of carbon dioxide with an imine N^C^N PdII pincer complex and N^C^N (Pd0) nanoparticles", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.6, Issue 2, page no.219 - 233, February-2021, Available :http://www.ijsdr.org/papers/IJSDR2102032.pdf
Downloads: 00025297
Publication Details: Published Paper ID: IJSDR2102032
Registration ID:192927
Published In: Volume 6 Issue 2, February-2021
DOI (Digital Object Identifier):
Page No: 219 - 233
Publisher: IJSDR | www.ijsdr.org
ISSN Number: 2455-2631

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