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We demonstrate a simple and versatile approach to produce hierarchical assemblies of nanoparticles by combining block copolymers and small molecules. Directed nanoparticle assemblies can be achieved with a variety of nanoparticles and small molecules without modification of the nanoparticle ligands. This novel approach opens up new routes toward the fabrication of nanoparticle-based functional devices...
In this work, a Metal-Oxide-Semiconductor (MOS) capacitor (Si/SiO2/Au nanoparticles/HfO2) has been fabricated. Gold (Au) nanoparticles with particle size of about 3.3 nm were synthesized by chemical reduction method. Then the self-assembled gold nanoparticles were attached to 3-aminopropyltrimethoxysilane (APTMS) modified silicon oxide substrates by the spin coating method. With the spin coating method,...
In this paper, three dimensional calculations of the potential distribution inside previously fabricated non-volatile memory (NVM) devices consisting of platinum nanoparticles (NPs) embedded in the SiO2/HfO2 matrix were performed to examine whether the barrier for tunneling is seriously affected by the discharge of one electron from one of the metallic NPs. To do this, the Poisson equation inside...
An up-converting material, which can be efficiently excited by near infrared light and emit strong visible light through a process termed dasiaup-conversion fluorescencepsila, has shown great potential for use in silicon thin films solar cells. This kind of material when placed on the rear side of p-i-n type silicon thin films solar cells will increase the overall efficiency of the PV device by utilizing...
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