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The surface chemistry of synthetic amorphous silicas is essential for their applicational performance and for understanding their interactions with biological matter. Synthesis of silica by flame spray pyrolysis (FSP) allows to control the content and type of hydroxyl groups which also affects the cytolytic activity.By controlling the FSP process variables, silica nanoparticles with the same specific...
The processes of ageing, chemical and photochemical treatment leading to 3D networks (gels) in aqueous colloidal solutions of CdTe nanocrystals were investigated. The gels were dried to form highly porous aerogels. Potential applicability of the approaches to other nanoparticle types (e.g. noble metals) was demonstrated. The great potential of such kinds of aerogels for application in optoelectronics...
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