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Photocatalytic hollow TiO2 and ZnO nanospheres prepared by atomic layer deposition.

ABSTRACT: Carbon nanospheres (CNSs) were prepared by hydrothermal synthesis, and coated with TiO2 and ZnO nanofilms by atomic layer deposition. Subsequently, through burning out the carbon core templates hollow metal oxide nanospheres were obtained. The substrates, the carbon-metal oxide composites and the hollow nanospheres were characterized with TG/DTA-MS, FTIR, Raman, XRD, SEM-EDX, TEM-SAED and their photocatalytic activity was also investigated. The results indicate that CNSs are not beneficial for photocatalysis, but the crystalline hollow metal oxide nanospheres have considerable photocatalytic activity.

SUBMITTER: Justh N 

PROVIDER: S-EPMC5489517 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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Photocatalytic hollow TiO<sub>2</sub> and ZnO nanospheres prepared by atomic layer deposition.

Justh Nóra N   Bakos László Péter LP   Hernádi Klára K   Kiss Gabriella G   Réti Balázs B   Erdélyi Zoltán Z   Parditka Bence B   Szilágyi Imre Miklós IM  

Scientific reports 20170628 1

Carbon nanospheres (CNSs) were prepared by hydrothermal synthesis, and coated with TiO<sub>2</sub> and ZnO nanofilms by atomic layer deposition. Subsequently, through burning out the carbon core templates hollow metal oxide nanospheres were obtained. The substrates, the carbon-metal oxide composites and the hollow nanospheres were characterized with TG/DTA-MS, FTIR, Raman, XRD, SEM-EDX, TEM-SAED and their photocatalytic activity was also investigated. The results indicate that CNSs are not benef  ...[more]

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