نتایج جستجو برای: nanocarbons
تعداد نتایج: 199 فیلتر نتایج به سال:
In the review hybrids of cationic porphyrins (i.e. porphyrins functionalized by quaternary pyridinium groups) with nanocarbons such as fullerenes, carbon nanotubes and graphene are described. Selected examples of these species are characterized in regard of their properties and possible applications.
Chemical functionalization of nanocarbons is essential for further applications in various fields. We developed a facile, inexpensive, and gram-scale one-pot route towards alkynyl-functionalized nanocarbons. Nucleophilic addition/propargylic capture places alkyne moieties at the surface of carbon nanotubes (CNTs) and graphene. Thermogravimetric analysis coupled with mass spectrometry and Raman ...
Nanocarbons, widely and commonly used as supports for supported Pt-based electrocatalysts in PEMFCs, play a significant role Pt dispersion accessibility, further determining their corresponding electrocatalytic performance. This paper provides an overview of the nanoarchitectures surface physicochemical properties nanocarbons affecting electrocatalyst performance, with emphasis on both physical...
In this review, we provide an overview of recent progress in nanocarbons with different dimensions as noble-metal-free co-catalysts for photocatalysts. We put emphasis on the interface engineering between nanocarbon co-catalysts and various semiconductor photocatalysts and the novel properties generating of nanocarbon co-catalysts, also including the synthesis and application of nanocarbon-base...
This talk starts with a review of the different strategies to incorporate nanocarbons (CNTs, graphene) inpolymer matrices and their relative merit in terms of mechanical reinforcement, improvement inelectrical/thermal conductivity and emergence of other functional properties, such as sensingcapabilities [1] [2]. Three types of nanocomposites are discussed: the first type corresponds...
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