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The salient practical application feature of an ideal supercapacitor is its ability to deliver high energy density stably even at ultrahigh power density. Therefore, a rational design of electrode materials is essentially required for achieving high current, energy and power densities. In this work, a special “in situ replicating” strategy is employed to fabricate double shell hollow carbon spheres...
ZnO-doped carbon quantum dots (CQDs) were prepared by the chemical oxidation of activated carbon followed by zinc acetate impregnation and precipitation. The ZnO-doped CQDs had a stable fluorescence and a high fluorescence quantum yield. The fluorescence of the ZnO-doped CQDs can be quenched by reduction with metronidazole, allowing a flow-injection chemiluminescence method to be used to determine...
The 11th National Symposium on New Carbon Materials was held in Taiyuan, Shanxi, PR China, hosted by the Institute of Coal Chemistry, Chinese Academy of Sciences, during August 16–20, 2013. About 300 attendees participated in the conference, and 142 papers were accepted for discussion, including plenary lectures, keynotes talks, oral presentations and poster presentations. The papers were classified...
Graphene oxide–carbon fiber/phenolic resin, chemically-reduced graphene oxide–carbon fiber/phenolic resin, and thermally-reduced graphene oxide–carbon fiber/phenolic resin composites were prepared by blending a graphene oxide suspension in an ethanol solution of phenolic resin with carbon fibers, followed by vacuum drying and hot pressing. The effects of the type of graphene oxide on structure, compressive...
The preparation of graphene/polymer composites by direct exfoliation of graphene from micro-sized graphite using a pyrene-functionalised amphiphilic block copolymer, poly(pyrenemethyl acrylate)-b-poly[(polyethylene glycol) acrylate] (polyPA-b-polyPEG-A), in either aqueous or organic media is presented. PolyPA-b-polyPEG-A was prepared using reversible addition fragmentation chain transfer (RAFT) polymerization...
Spleen is an important immune organ and a constituting part of the reticuloendothelial system (RES). CNTs in vivo can be readily scavenged from blood and mainly entrapped by liver, spleen and lungs. Herein, water soluble multi-walled carbon nanotubes (S-MWCNTs) were used as a model to investigate the possible toxicity of carbon nanotubes (CNTs) to mouse spleen. The toxicity of various doses of S-MWCNTs...
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