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An organized mesoporous TiO2 interfacial layer (IL) with high porosity and good interconnectivity is prepared using a low-cost amphiphilic poly(vinyl alcohol)–poly(methyl methacrylate) (PVA–PMMA) comb copolymer template. Upon adding the Ti precursor, the absorption band of the PVA hydroxyl groups largely shift from 3305 to 3213cm−1, and the average distance between the isolated PMMA domains increases...
Amphiphilic block-graft copolymers composed of poly(styrene-b-butadiene-b-styrene) (SBS) backbone and poly(oxyethylene methacrylate) (POEM) side chains are synthesized and combined with hydrophilically preformed TiO2 (Pre-TiO2), which works as a structural binder as well as titania source. This results in the formation of crack free, 6-μm-thick, organized mesoporous TiO2 (OM-TiO2) films via one-step...
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