Wet photochemical filling: a new low-diameter tube-filling method based on differentiated nanotube surfaces
Abstract
In this work, by using a simple chemical morphology freezing method novel low-diameter tubular nanocomposites (TiO2–NTs@SiO2) with differentiated surfaces are prepared, in which the TiO2 layer acts as a photoactive inner surface and the SiO2 layer acts as an insulating outer surface. Because of the photoactivity of TiO2, under UV light irradiation, only the inner TiO2 surface can photoreduce a H2PtCl6 precursor solution to Pt