We report the photodegradation method to create Janus particles from core-shell structures, indicating control over patch morphology and interparticle interactions.
We report a novel method for fabricating Janus particles using photodegradable core–shell structures composed of poly(methyl methacrylate) (PMMA) cores and poly(di-n-butylsilane) (PDBS) shells. Upon UV irradiation (320 nm), the PDBS shell selectively decomposes, exposing the PMMA core and forming Janus-type particles. SEM and XPS analyses confirmed the formation of core–shell structures and successful photodegradation. This approach enables control over patch morphology, offering a versatile platform for designing colloidal architectures with tailored interparticle interactions.
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Kazuaki Miyata (2025) studied this question.
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