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Nucleation and growth controlled reduced graphene oxide�supported palladium electrocatalysts for methanol oxidation reaction

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dc.citedby3
dc.contributor.authorNg J.C.en_US
dc.contributor.authorTan C.Y.en_US
dc.contributor.authorOng B.H.en_US
dc.contributor.authorMatsuda A.en_US
dc.contributor.authorBasirun W.J.en_US
dc.contributor.authorTan W.K.en_US
dc.contributor.authorSingh R.en_US
dc.contributor.authorYap B.K.en_US
dc.contributor.authorid57194408700en_US
dc.contributor.authorid16029485400en_US
dc.contributor.authorid7102342460en_US
dc.contributor.authorid57089738800en_US
dc.contributor.authorid35550587900en_US
dc.contributor.authorid57216683664en_US
dc.contributor.authorid41061958200en_US
dc.contributor.authorid26649255900en_US
dc.date.accessioned2023-05-29T07:27:16Z
dc.date.available2023-05-29T07:27:16Z
dc.date.issued2019
dc.descriptionAnodes; Cathodes; Direct methanol fuel cells (DMFC); Electrocatalysts; Electrolysis; Fuel cells; Methanol; Methanol fuels; Nanocatalysts; Nucleation; Oxidation; Palladium; Catalyst nano particles; Catalytic performance; Electrochemical active surface areas; Methanol oxidation reactions; Microwave assisted reduction; Microwave synthesis; Nucleation and growth; Reduced graphene oxides; Grapheneen_US
dc.description.abstractIn spite of advantages of direct methanol fuel cells, low methanol oxidation reaction and fuel crossover from anode to cathode, there remains a challenge that inhibits it from being commercialized. Active electrocatalysts are in high demand to promote the methanol oxidation reaction. The methanol reached at the anode can be immediately reacted, and thus, less methanol to cross to the cathode. The performance of electrocatalysts can be significantly influenced by varying the concentration of precursor solution. Theoretically, concentrated precursor solution facilitates rapid nucleation and growth; diluted precursor solution causes slow nucleation and growth. Rapid nucleation and slow growth have positive effect on the size of electrocatalysts which plays a significant role in the catalytic performance. Upon the addition of appropriate concentration of graphene oxide, the graphene oxide was reported to have stabilizing effect towards the catalyst nanoparticles. This work synthesized reduced graphene oxide�supported palladium electrocatalysts at different concentrations (0.5, 1.0, 2.0, 3.0 and 4.0 mg mL ?1 ) with fixed volume and mass ratio of reduced graphene oxide to palladium by microwave-assisted reduction method. Results showed that reduced graphene oxide�supported palladium synthesized at a concentration of 1.0 mg mL ?1 gave the best methanol oxidation reactivity (405.37 mA mg ?1 ) and largest electrochemical active surface area (83.57 m 2 g ?1 ). � The Author(s) 2019.en_US
dc.description.natureFinalen_US
dc.identifier.doi10.1177/1847980419827171
dc.identifier.scopus2-s2.0-85061182887
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85061182887&doi=10.1177%2f1847980419827171&partnerID=40&md5=e0b68176198870e6a11c3fef217b69a4
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/24800
dc.identifier.volume9
dc.publisherSAGE Publications Ltden_US
dc.relation.ispartofAll Open Access, Gold
dc.sourceScopus
dc.sourcetitleNanomaterials and Nanotechnology
dc.titleNucleation and growth controlled reduced graphene oxide�supported palladium electrocatalysts for methanol oxidation reactionen_US
dc.typeArticleen_US
dspace.entity.typePublication
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