نتایج جستجو برای: inorganic nanostructure
تعداد نتایج: 81191 فیلتر نتایج به سال:
Converting Wannier into Frenkel excitons in an inorganic/organic hybrid semiconductor nanostructure.
Electronic coupling between Wannier and Frenkel excitons in an inorganic/organic semiconductor hybrid structure is experimentally observed. Time-resolved photoluminescence and excitation spectroscopy directly demonstrate that electronic excitation energy can be transferred with an efficiency of up to 50% from an inorganic ZnO quantum well to an organic [2,2-p-phenylenebis-(5-phenyloxazol), alph...
A new form of fullerene-capped CdSe nanoparticles (PCBA-capped CdSe NPs), using carboxylate ligands with [60]fullerene capping groups that provides an effective synthetic methodology to attach fullerenes noncovalently to CdSe, is presented for usage in nanotechnology and photoelectric fields. Interestingly, either the internal charge transfer or the energy transfer in the hybrid material contri...
Controllable preparation of ceria nanotube was realized by hydrothermal treatment of Ce(OH)CO3 precursors. The gradually changing morphologies and microstructures of cerium oxide were characterized by X-ray powder diffraction, scanning electron microscopy and transmission electron microscopy. A top-down path is illuminated to have an insight to the morphological transformation from nanorod to n...
Genetically modified viruses have been proposed recently as templates for the assembly of nanometer-scale components of electronic circuits. Here we show that, in addition to their role as nanotemplates, viruses can actually improve the electron transport properties in semiconductor nanotubes grown on them. In the considered hybrid virus-inorganic nanostructures, which consist of silica or sili...
Understanding how chemically derived processes control the construction and organization of matter across extended and multiple length scales is of growing interest in many areas of materials research. Here we review present equilibrium and non-equilibrium self-assembly approaches to the synthetic construction of discrete hybrid (inorganic-organic) nano-objects and higher-level nanostructured n...
This review addresses the use of X‐ray and neutron scattering absorption to describe how inorganic nano‐structured materials assemble, evolve, function in solution. We first provide an overview techniques instrumentation (both large user facilities benchtop). recent studies soluble nanostructure assembly, covering disciplines synthesis, processes nature, nuclear materials, widely applicable fun...
Hyperthermia is one of the promising treatments for cancer therapy. However, the development of a magnetic fluid agent that can selectively target a tumor and efficiently elevate temperature while exhibiting excellent biocompatibility still remains challenging. Here a new core-shell nanostructure consisting of inorganic iron oxide (Fe3O4) nanoparticles as the core, organic alginate as the shell...
Water pollution has become a critical issue because of the Industrial Revolution, growing populations, extended droughts, and climate change. Therefore, advanced technologies for wastewater remediation are urgently needed. contaminants generally classified as microorganisms inorganic/organic pollutants. Inorganic pollutants toxic some them carcinogenic materials, such cadmium, arsenic, chromium...
Among the different nanostructures involved in improvement of material properties, carbon nanotubes occupy a specific place because their small refractive index, extended surface, and large Young’s module, which can all provoke dramatic change basic matrix characteristics. Inorganic crystals, semiconductors, metals, conductive compounds, some polymer structures whose surfaces are treated with d...
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