A ‘dynamic-hard-template’ strategy is developed for large-area crack-free synthesis of 2D anatase TiO2 inverse opal film on rigid and flexible ITO substrates by using PS templates.
Large area Polystyrene/WO3 opal composite monolayers were successfully fabricated via a modified “dynamic-hard-template” infiltration strategy, and then used as building block for the synthesis of 3D WO3 inverse opal films in a bottom-up approach.
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