نتایج جستجو برای: carbon dots
تعداد نتایج: 306919 فیلتر نتایج به سال:
We have measured the differential conductance of individual multiwall carbon nanotubes. Coulomb blockade and energy level quantization are observed. The electron levels are nearly fourfold degenerate (including spin) and their evolution in magnetic field (Zeeman splitting) agrees with a g factor of 2. In zero magnetic field the sequential filling of states evolves with spin S according to S = 0...
We report the biodegradable supramolecular quantum dots (SQDs) of hydrogen-bonded graphitic carbon nitride (g-C3N4) with low cytotoxicity and desirable biocompatibility for promising upconversion-enabled fluorescent bio-probes. A remarkable biodegradation of up to 97% within 24 hours is presented.
Carbon dots have many new and interesting phenomena the concentration-dependent luminescence wavelength is an intriguing one. Luminescent carbon recently gained interest due to their such as its peak emission. While there been reports discussions on this phenomenon, mechanism continues be poorly understood. Herein, observations nitrogen–sulfur codoping (NSCDs) diluted at different concentration...
Carbon dots were synthesized using solvent-free, microwave synthesis and photoreduction of methyl viologen was studied under visible wavelength light irradiation.
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