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The porous ultrathin graphitic carbon nitride (g-C3N4) with confined surface carbon defects was obtained via the twice thermal treatment of bulk g-C3N4. The as-prepared porous ultrathin g-C3N4 sample displayed the average thickness of about 0.9 nm. The porous ultrathin g-C3N4 with confined surface carbon defects was designed to bidirectional acceleration of carrier separation for both the bulk and...
In this study, carbon quantum dots (CQDs)/bismuth oxyiodide (BiOI) materials have been synthesized via a reactable ionic liquid (IL) 1-hexyl-3-methyl-imidazolium iodine assisted solvothermal method. The introduction of IL was beneficial to construct the tight junctions between CQDs and BiOI. Based on the initial formation of strong-coupling between CQDs and IL, the tight junctions between CQDs and...
Developing economical and commercially available materials to replace precious and nondurable platinum based catalysts is a very important issue in contemporary fuel cell technology. Nanostructured carbon materials have the potential to reduce the costs, improve the fuel tolerance and scalability; however, they are limited presently by their relatively low catalytic activity. Herein, we have synthesized...
A graphene-based device requires the graphene to have an ideal shape, structure, and orientation, and be large enough, to allow them to be formed into a new device. Here the joining of individual single-layer and multi-layer graphene is performed in a transmission electron microscope-scanning tunneling microscope (TEM–STM) holder inside a 200kV field emission TEM. Attempts have been made to join individual...
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