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Intercalation of carbon nanosheets into two-dimensional (2D) inorganic materials could enhance their properties in terms of mechanics and electrochemistry, but sandwiching these two kinds of materials in alternating sequence is a great challenge on synthesis. Herein, we report a novel strategy to construct TiO2 nanosheets into 2D pillar-layer architectures by employing benzidine molecular assemble as pillars. Then the 2D carbon/TiO2 nanosheets composite with a periodic interlayer distance of 1.1 nm was obtained following a polymerization and carbonization. This method not only alleviates the strain arisen from the torsion of binding during the carbonization, but also hinders the structural collapse of TiO2 due to the intercalation of carbon layer by rational control of annealing conditions. The composite material possesses a large carbon/TiO2 interface, providing abundant active sites for ultrafast pseudocapacitive charge storage, thus displaying a superior high-rate performance with a specific capacity of 67.8 mAh/g at the current of 12.8 A/g based on the total electrode and excellent cyclability with 87.4 % capacity retention after 3000 cycles.
This article was published in the following journal.
Name: Langmuir : the ACS journal of surfaces and colloids
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Echocardiography amplified by the addition of depth to the conventional two-dimensional ECHOCARDIOGRAPHY visualizing only the length and width of the heart. Three-dimensional ultrasound imaging was first described in 1961 but its application to echocardiography did not take place until 1974. (Mayo Clin Proc 1993;68:221-40)
The process of generating three-dimensional images by electronic, photographic, or other methods. For example, three-dimensional images can be generated by assembling multiple tomographic images with the aid of a computer, while photographic 3-D images (HOLOGRAPHY) can be made by exposing film to the interference pattern created when two laser light sources shine on an object.
Unsaturated derivatives of the ESTRANES with methyl groups at carbon-13, with no carbon at carbon-10, and with no more than one carbon at carbon-17. They must contain one or more double bonds.
Three-dimensional computed tomographic imaging with the added dimension of time, to follow motion during imaging.
Methods of comparing two or more samples on the same two-dimensional gel electrophoresis gel.