Green synthesis of carbon-supported nanoparticle catalysts by physical vapor deposition on soluble powder substrates
- Green synthesis of carbon-supported nanoparticle catalysts by physical vapor deposition on soluble powder substrates
- 박희영; 장인준; 정남기; 정영훈; 류재윤; 차인영; 김형준; 장종현; 유성종
- carbon-supported nanoparticle catalysts; physical vapor deposition; fuel cell; Green synthesis
- Issue Date
- Scientific Reports
- VOL 5, 14245-1-14245-7
- Metal and metal oxide nanoparticles (NPs) supported on high surface area carbon (NP/Cs) were prepared by the physical vapor deposition of bulk materials on an α-D-glucose (Glu) substrate, followed by the deposition of the NPs on carbon supports. Using Glu as a carrier for the transport of NPs from the bulk materials to the carbon support surfaces, ultrafine NPs were obtained, exhibiting a stabilizing effect through OH moieties on the Glu surfaces. This stabilizing effect was strong enough to stabilize the NPs, but weak enough to not significantly block the metal surfaces. As only the target materials and Glu are required in our procedure, it can be considered environmentally friendly, with the NPs being devoid of hazardous chemicals. Furthermore, the resulting NP/Cs exhibited an improvement in activity for various electrochemical reactions, mainly attributed to their high surface area.
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