Journal
ACS CATALYSIS
Volume 5, Issue 6, Pages 3174-3180Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.5b00183
Keywords
glycerol oxidation; selectivity; carbon nitride; Pd nanoparticle; graphene
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Funding
- National Research Foundation (NRF)
- Prime Minister's Office, Singapore, under its Campus for Research Excellence and Technological Enterprise (CREATE) program
- Ministry of Education, Singapore [M4011020 RG8/12, M4011253 RG 7/14]
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A hybrid support consisting of carbon nitride and graphene (CNx/G) is prepared by annealing polypyrrole/GO at 800 degrees C. Pd nanoparticles (NPs) are then loaded onto the support by a microwave-polyol method. Pd-CNx/G is used as a catalyst for glycerol electro-oxidation in 0.5 M NaOH aqueous solution. Electrochemical characterization and product analysis by high-performance liquid chromatography show that, in comparison to Pd NPs supported on carbon black, Pd NPs on a support containing nitrogen atoms has the ability to promote selectivity toward C3 products as well as increase activity. The main factors influencing the selectivity and activity are also discussed.
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