Preparation of cubic and spherical hollow silica structures by polystyrene-poly diallyldimethylammonium chloride and polystyrene-poly ethyleneimine hard templates
Source abstract
Abstract
Abstract In this study, hollow silica structures were synthesized by sol-gel/template technique using two types of hard templates: polystyrene-poly diallyldimethylammonium chloride (PS@PDADMAC) and polystyrene-polyethyleneimine (PS@PEI). The obtained templates were evaluated by zeta potential analysis, FTIR, SEM and EDX techniques. The obtained structures were then assessed by the TEM method. By controlling the ratio of the precursors, two morphologies were obtained: hollow spherical and hollow cubic. The results indicated the successful synthesis of two types of hollow silica spheres with the approximated diameters of 63 and 19 nm as well as two types of hollow cubic silica with approximated dimensions of 830 and 58 nm. SEM, XRD, and BET were used to further study morphology, phase composition, and porosity of the hollow silica spheres prepared by PS@PEI templates.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Mesoporous Materials and Catalysis · Layered Double Hydroxides Synthesis and Applications · Photonic Crystals and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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