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Phosphorus-doped three-dimensional hierarchical porous carbons (P-3DHPCs) have been synthesized by direct pyrolysis of mixture containing glucose, manganese nitrate and sodium hypophosphite without any hard templates. Glucose and sodium hypophosphite are used as carbon and phosphorus source in the facile template-free strategy, respectively. The P-3DHPCs not only possess favorable hierarchical pore...
The ultrathin porous carbon shell with the thickness of about 10 nm has been fabricated by a facile method using sodium citrate as carbon precursor without any activation. The electric conductivity of the material is as high as 7.12 S/cm, which contributes to a good rate performance for supercapacitor electrode without any conductive additive. When tested in 6 M KOH by three-electrode system, the...
A simple method is devised to deposit highly monodispersed Ag nanoparticles (about 5nm) on multi-walled carbon nanotubes (CNTs), which started from an initial modification of Ag nanoparticles with benzyl mercaptan molecules. By simply tuning the relative ratio of Ag catalyst to CNTs in solution, Ag/CNT composite with different Ag content can be achieved. The as-prepared Ag/CNT composite materials...
Multi-walled carbon nanotubes (MWCNTs) were functionalized via π−π interaction with benzyl mercaptan. The subsequent bonding of thiol groups with Pt offered strong adhesion of Pt nanoparticles on MWCNT surface. Thermal treatment was introduced as the essential step of the catalyst preparation. The structure and morphology of the resulting Pt/MWCNT composite were characterized by transmission electron...
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