نتایج جستجو برای: nanographene
تعداد نتایج: 237 فیلتر نتایج به سال:
The formation of ?-aromatic circuits along a grossly warped nanographene, C80H30, containing five- and seven-membered rings inserted into six-membered mesh, reveals global ?-circuits at the edge backbone.
Recently reported photoluminescent nanographene oxides (nGOs), i.e. nanographene oxidised with a sulfuric/nitric acid mixture (SNOx method), have tuneable photoluminescence and are scalable, simple and fast to produce optical probes. This material belongs to the vast class of photoluminescent carbon nanostructures, including carbon dots, nanodiamonds (NDs), graphene quantum dots (GQDs), all of ...
One of the new trends of nanomedicine is the application of nanoparticles for targeting tumors to achieve localized tumor cell destruction while producing minimal side effects on healthy cells, but their application will not be feasible without a previous understanding of vectorcell/tissue interactions, possible toxicity and accumulation risks. [1] The enhanced permeability and retention effect...
Using first-principles calculations we show that the adsorption of atomic hydrogen on graphene opens a substantial gap in the electronic density of states in which lies a spin-polarized gap state. This spin is quenched by the presence of a rotated C-C bond (a Stone-Wales defect) adjacent to or distant from the H atom. We explain these findings and discuss the implications for nanotubes and magn...
Herein we devise and execute a new synthesis of pristine boron-doped nanographene. Our target nanographene was designed based on DFT calculations to possess low LUMO energy level narrow band gap derived from its precise geometry B-doping arrangement. this target, doubly B-doped hexabenzopentacene (B2-HBP), employs six net C−H borylations an alkene, comprising consecutive hydroboration/electroph...
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