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钯纳米颗粒负载的还原氧化石墨烯及其在绿色溶剂中对乌尔曼碳-碳偶联反应的优异催化活性。

Pd nanoparticle supported reduced graphene oxide and its excellent catalytic activity for the Ullmann C-C coupling reaction in a green solvent.

作者信息

Rana Surjyakanta, Bidita Varadwaj G Bishwa, Jonnalagadda Sreekantha B

机构信息

School of Chemistry & Physics, College of Agriculture, Engineering & Science, University of KwaZulu-Natal Durban South Africa

出版信息

RSC Adv. 2019 Apr 30;9(23):13332-13335. doi: 10.1039/c9ra01715a. eCollection 2019 Apr 25.

DOI:10.1039/c9ra01715a
PMID:35520817
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9063926/
Abstract

An efficient and easy route to synthesize reduced graphene oxide with well dispersed palladium (Pd) nanoparticles (Pd(0)-RGO) is described. The synthesized materials were fully characterized by different techniques such as: XRD, FTIR, Raman, SEM, and TEM. An average particle size of 7.5 nm for the metal particles was confirmed by TEM analysis. Pd(0)-RGO demonstrated outstanding catalytic activity for Ullmann coupling with 97% yield and good reusability (4 cycles).

摘要

描述了一种高效且简便的合成具有良好分散钯（Pd）纳米颗粒（Pd(0)-RGO）的还原氧化石墨烯的方法。通过XRD、FTIR、拉曼、SEM和TEM等不同技术对合成材料进行了全面表征。通过TEM分析确定金属颗粒的平均粒径为7.5 nm。Pd(0)-RGO在乌尔曼偶联反应中表现出出色的催化活性，产率为97%，且具有良好的可重复使用性（4次循环）。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3465/9063926/b1b6e41806ec/c9ra01715a-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3465/9063926/79c5f3670932/c9ra01715a-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3465/9063926/01af694e9cb7/c9ra01715a-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3465/9063926/9a1792b780de/c9ra01715a-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3465/9063926/dc99cf669d4c/c9ra01715a-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3465/9063926/309b91ccb164/c9ra01715a-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3465/9063926/b1b6e41806ec/c9ra01715a-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3465/9063926/79c5f3670932/c9ra01715a-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3465/9063926/01af694e9cb7/c9ra01715a-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3465/9063926/9a1792b780de/c9ra01715a-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3465/9063926/dc99cf669d4c/c9ra01715a-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3465/9063926/309b91ccb164/c9ra01715a-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3465/9063926/b1b6e41806ec/c9ra01715a-f5.jpg

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