نتایج جستجو برای: nitrogen and thiol doped graphene quantum dots
تعداد نتایج: 16961753 فیلتر نتایج به سال:
Recent experiments have shown that nitrogen doping enhances capacitance in carbon electrode supercapacitors. However, a detailed study of the effect of N-doping on capacitance is still lacking. In this paper, we study the doping concentration and the configuration effect on the electric double-layer (EDL) capacitance, quantum capacitance, and total capacitance. It is found that pyridinic and gr...
Quantum interference causes a wavefunction to have sensitive spatial dependence, and this has a significant effect on quantum transport. For example, in a quantum-dot system, the conductance can depend on the lead positions. We investigate, for graphene quantum dots, the conductance variations with the lead positions. Since for graphene the types of boundaries, e.g., zigzag and armchair, can f...
Background: In recent years, the unique physical and chemical properties of carbon nanostructures has led to many advancements in various fields, including chemistry and pharmaceuticals. Graphene is one of the carbon nanostructures which have attracted significant attention from researchers in adsorption and release of various drugs. Due to the high surface area of graphene, it can be used as a...
In situ decoration of very small CdSe quantum dots on graphene nanoribbons (GNRs) has been achieved during the electrochemical unzipping of single walled carbon nanotubes. Critical parameters like the width of the GNRs, size distribution of quantum dots and their organization on GNRs have been shown to be strongly dependent on the electric field and time.
AgBr nanoparticles anchored nitrogen-doped graphene nanocomposites were designed to obtain enhanced electrochemiluminescence intensity and better stability, and further applied in electrochemiluminescence detection for the first time.
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