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172 Current news about the topic nanotubes

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Toxicity of carbon and silicon nanotubes and carbon nanofibers

20-Jul-2018

Nanoparticles with a wide range of applying, including medicine, damage cells of microalgae Heterosigma akashivo badly. This algae species is widely spread in the Russian Far East marine area. The acute toxic effect exhibited at concentrations of 100 mg/l of carbon nanotubes (CNTs) and silicon ...

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Carbon is the new black

12-Jul-2018

Engineers with the University of Cincinnati are leveraging a partnership with Wright-Patterson Air Force Base to create clothing that can charge your cell phone. Move over, Iron Man. What makes this possible are the unique properties of carbon nanotubes: a large surface area that is strong, ...

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Double-layered porous nanotubes with spatially separated photoredox surfaces

08-Jun-2018

Solar energy conversion of water into H2 through photocatalysis is envisaged to be an attractive approach for H2 production. However, the separation efficiency of charge carriers is the key to improve the efficiency of photocatalytic hydrogen production. A recent study reveals that the ...

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Making carbon nanotubes as usable as common plastics

17-May-2018

Northwestern University's Jiaxing Huang is ready to reignite carbon nanotube research. And he's doing so with a common chemical that was once used in household cleaners. By using an inexpensive, already mass produced, simple solvent called cresol, Huang has discovered a way to make disperse ...

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Wrap an electrode material for Li-ion battery into the inner spacing of carbon nanotube

09-May-2018

Researchers at the Toyohashi University of Technology have demonstrated the electrochemical performance of lithium ion batteries (LIBs) using phosphorus-encapsulated carbon nanotube electrodes, in which red phosphorus with considerable high capacity is introduced into the inner spacing of carbon ...

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Mechanism of oxidative unzipping of multiwall carbon nanotubes to graphene nanoribbons

13-Apr-2018

Graphene, a two-dimensional lattice of carbon atoms, has attracted enormous interest from a broad base of the research community for more than one decade. Graphene nanoribbons (GNRs), narrow strips of graphene, being quasi one-dimensional, possess complementary features relative to their ...

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Touchy nanotubes work better when clean

Scientists show that decontaminating nanotubes can simplify nanoscale devices

08-Jan-2018

Carbon nanotubes bound for electronics need to be as clean as possible to maximize their utility in next-generation nanoscale devices, and scientists at Rice and Swansea universities have found a way to remove contaminants from the nanotubes. Rice chemist Andrew Barron, also a professor at ...

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Fine felted nanotubes

New composite material made of carbon nanotubes

23-Nov-2017

Extremely lightweight, electrically highly conductive, and more stable than steel: due to their unique properties, carbon nanotubes would be ideal for numerous applications, from ultra-lightweight batteries to high-performance plastics, right through to medical implants. However, to date it has ...

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Wrinkles give heat a jolt in pillared graphene

03-Nov-2017

Pillared graphene would transfer heat better if the theoretical material had a few asymmetric junctions that caused wrinkles, according to Rice University engineers. Rice materials scientist Rouzbeh Shahsavari and alumnus Navid Sakhavand first built atom-level computer models of pillared graphene ...

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A way to determine the toxicity of nanomaterials

03-Nov-2017

Official website of the Russian Science Foundation reports that a group of scientists from Siberian Federal University and Krasnoyarsk Scientific Center of the SB RAS has developed a bioluminescent enzymatic test system for assessing the toxicity of carbon nanomaterials. Its distinctive features ...

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