Abstract
Among fascinating polymer structures, porous and hollow core structures are usually desirable because of their numerous applications. Herein, we present hollow core structures of polystyrene (PS) microspheres via a simple one-pot novel synthesis using Sodium dodecyl sulfate (SDS) and Cetyltrimethylammonium bromide (CTAB) emulsifiers. The colloidal microspheres are assembled into a non-compact order of colloidal crystal arrays. Microscopic analysis showed that CTAB emulsifier can influence a micelle to act as a soft template for the fabrication of PS particles with inner core hollow interior compared to SDS emulsifier. The optical analysis of the SDS-emulsified PS colloidal crystal films gave wavelengths of 527.011 nm and 642.967 nm that varied from yellow to red colouration as the observation angle changed from 2 to 10 °C, respectively, while CTAB-emulsified PS colloidal crystals showed wavelengths of 556.233 nm and 589.442 nm that corresponds to monochromatic yellow colour that did not change with observation angles. This economic and environment-friendly one-pot procedure can be used to generate a soft-micelle template for the actualization of hollow PS microspheres that may find potential applications as catalysts, fillers, coating materials and drug delivery.
Published Version
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