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Science China Press

Caption

Schematic representation of the formation process of hierarchically mesoporous TiO2 microspheres with single-crystal like pore wall through evaporation-driven oriented assembly (a). SEM image of a single ultramicrotomed, radially-oriented hierarchically mesoporous TiO2 microspheres (b). Inset: Structure models for the radially oriented channels with interchannel pores. TEM image of a single ultramicrotomed, hierarchically mesoporous TiO2 microspheres (c). Inset: The SAED pattern taken from the cylindrical pore bundles region with [010] incidence.

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