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A new graphene (GA)/nitrogen-doped ordered mesoporous carbon (NMC) nanosheet was synthesized in situ by a triblock-copolymer assembly directly on graphene oxide. The strong interaction of NMC and GA in the form of N–O bonding limits GA aggregation. The resulting composite GA/NMC-95% with the NMC mass content of 95% shows a high surface area (1569 m2 g−1) and good electronic conductivity. As an electrode...
Monotonic and cyclic tensile loading experiments were conducted for analyzing elastoplastic deformation and failure of carbon nanotube (CNT) fibers. The deformation stages of the CNT fibers under tensile loads consist of a short elastic stage and a long-lasting plastic stage, while the elastic stage of the CNT fibers can be generally divided into two parts: a perfect-elastic stage and an elastic-like...
Multi-modal imaging probes through synergistically combining two or more imaging modalities into single nanoparticle, offer possibilities to address multiple issues such as resolution, sensitivity, and tissue penetration. In this study, we report a facile strategy to synthesize a dual-modal fluorescence/magnetic resonance (MR) imaging nanoprobe with bright fluorescence and significantly improved relaxivity,...
Spirit lees was carbonized and then activated by steam and CO 2 to prepare activated carbons. The effect of carbonization temperature, type and amount of activator, activation temperature and time on the pore structure, and the adsorption of methylene blue and iodine were investigated. The gas products during activation were analyzed online to reveal the activation mechanism. Results showed...
Four carbonaceous materials: carbon black, activated carbon, fullerene black and graphite, were employed in the NO-carbon reaction in order to study its structure sensitivity. The carbon structures were characterized by TEM and XRD analysis. The results obtained indicate that the internal structure of the samples employed greatly affects the reactivity of the samples towards NO. The reaction of NO...
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