نتایج جستجو برای: decorated graphene
تعداد نتایج: 56289 فیلتر نتایج به سال:
We report a simultaneous increase of carrier concentration, mobility and photoresponsivity when SiC-grown graphene is decorated with a surface layer of colloidal PbS quantum dots, which act as electron donors. The charge on the ionised dots is spatially correlated with defect charges on the SiC-graphene interface, thus enhancing both electron carrier density and mobility. This chargecorrelation...
A new and enzyme-free electrochemical immunoassay protocol was developed for the sensitive electronic monitoring of neuron-specific enolase (NSE) on a monoclonal mouse anti-human NSE antibody (mAb)-modified glassy carbon electrode, using guanine-decorated graphene nanostructures (GGN) as nanotags. To construct such an enzyme-free immunoassay format, guanine and polyclonal rabbit anti-human NSE ...
In order to realize solar cells with technologically useful performance, intensive efforts are being directed towards the development of novel device architectures and components. So far, high power conversion effi ciencies exceeding 5% have been reached with dye-sensitized [ 1 ] or polymer blend-based solar cells, [ 2 ] wherein very fast interfacial charge transfer occurs. However, charge tran...
3D printing technologies have expanded the possibilities of fabricating new composite materials with tailored properties, which depend on both selected and structural design at multiple length scales. Here, a catalyst-free CVD method has been used to produce hybrid based printed cellular ?-Al2O3 substrates decorated by either nanocrystalline graphene or graphitic films tunable number layers. Gr...
Decorating two-dimensional (2D) materials with transition-metal adatoms is an effective way to bring about new physical properties that are intriguing for applications in electronics and spintronics devices. Here, we systematically studied the coverage-dependent magnetic electronic of graphene decorated by Co adatoms, based on first-principles calculations. We found if coverage larger than 1/3[...
Abstract Recent studies have reported that adding nanoparticles to graphene enables macroscale superlubricity be achieved. This study focuses on the role of in achieving superlubricity. First, because nanoscrolls can formed with as seeds under shear force, applied load (or force) is adjusted manipulate formation and reveal relationship between graphene-nanoscroll superlubricating performance. S...
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