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Carbon Dot-Incorporated PMO Nanoparticles as Versatile Platforms for the Design of Ratiometric Sensors, Multichannel Traceable Drug Delivery Vehicles, and Effi cient Photocatalysts
Periodic mesoporous organosilicas (PMOs) are unique materials with functional components embedded in their siliceous
framework and have attracted much recent attention owing to their advantages over conventional mesoporous silica nanomaterials.[ 1 ] Such advantages include the homogeneous distribution of active functional sites throughout the whole framework,high loading of functional components, and retention of pore space. Signifi cant efforts have previously been devoted to the synthesis of PMOs containing various functional components such as biphenyl, [ 2 ] oligo (phenylenevinylene), [ 3 ] and tetraphenylpyrene photosensitizes [4] as well as polyhedral oligomeric silsesquioxanes, [ 5 ] C 60 molecules, [ 6 ] and silicon dots. [ 7 ] Such functionalized PMOs have demonstrated a great potential for
luminescence applications, thin fi lm electronic devices, and solid state catalysts, depending on the component integrated in the siliceous framework. However, challenges in the development of synthetic procedures for organosilane precursors [ 8 ] have prevented the introduction of many components with different structures and novel properties into the frameworks, and thus the expansion of the functional components incorporated in the framework is still strongly expected
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