Preparation, Characterization, and Catalytic Properties of Pd-Graphene Quantum Dot Catalystsopen access
- Authors
- Kim, Jisoo; Lim, Jeongah; Kim, Ji Dang; Choi, Myong Yong; Lee, Sunwoo; Choi, Hyun Chul
- Issue Date
- Jun-2022
- Publisher
- MDPI
- Keywords
- Pd nanoparticle; graphene quantum dot; heterogeneous organocatalysis; Heck cross-coupling reaction; decarboxylative cross-coupling reaction
- Citation
- CATALYSTS, v.12, no.6
- Indexed
- SCIE
SCOPUS
- Journal Title
- CATALYSTS
- Volume
- 12
- Number
- 6
- URI
- https://scholarworks.bwise.kr/gnu/handle/sw.gnu/1240
- DOI
- 10.3390/catal12060619
- ISSN
- 2073-4344
- Abstract
- In this study, Pd-graphene quantum dot (Pd-GQD) catalysts were prepared by depositing Pd nanoparticles onto functionalized GQD surfaces, and their morphology and elemental composition were characterized using transmission electron microscopy, X-ray photoelectron spectroscopy, and Raman spectroscopy. The as-prepared Pd-GQD was subsequently employed as a catalyst for the Heck and decarboxylative cross-coupling reactions and was found to exhibit higher catalytic activity than other reference systems. The expanded substrate scope of various substituted aryl iodides further proved that the GQD is an effective support for preparing new heterogeneous catalysts with improved catalytic performances.
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