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Extended Near-Infrared Photoactivity of Bi?Fe1.9Co0.1Ti?O18 by Upconversion Nanoparticles.


ABSTRACT: Bi?Fe1.9Co0.1Ti?O18 (BFCTO)/NaGdF?:Yb3+, Er3+ (NGF) nanohybrids were successively synthesized by the hydrothermal process followed by anassembly method, and BFCTO-1.0/NGF nanosheets, BFCTO-1.5/NGF nanoplates and BFCTO-2.0/NGF truncated tetragonal bipyramids were obtained when 1.0, 1.5 and 2.0 M NaOH were adopted, respectively. Under the irradiation of 980 nm light, all the BFCTO samples exhibited no activity in degrading Rhodamine B (RhB). In contrast, with the loading of NGF upconversion nanoparticles, all the BFCTO/NGF samples exhibited extended near-infrared photoactivity, with BFCTO-1.5/NGF showing the best photocatalytic activity, which could be attributed to the effect of {001} and {117} crystal facets with the optimal ratio. In addition, the ferromagnetic properties of the BFCTO/NGF samples indicated their potential as novel, recyclable and efficient near-infrared (NIR) light-driven photocatalysts.

SUBMITTER: Ge W 

PROVIDER: S-EPMC6071231 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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Extended Near-Infrared Photoactivity of Bi₆Fe<sub>1.9</sub>Co<sub>0.1</sub>Ti₃O<sub>18</sub> by Upconversion Nanoparticles.

Ge Wen W   Li Zhiang Z   Chen Tong T   Liu Min M   Lu Yalin Y  

Nanomaterials (Basel, Switzerland) 20180716 7


Bi₆Fe<sub>1.9</sub>Co<sub>0.1</sub>Ti₃O<sub>18</sub> (BFCTO)/NaGdF₄:Yb<sup>3+</sup>, Er<sup>3+</sup> (NGF) nanohybrids were successively synthesized by the hydrothermal process followed by anassembly method, and BFCTO-1.0/NGF nanosheets, BFCTO-1.5/NGF nanoplates and BFCTO-2.0/NGF truncated tetragonal bipyramids were obtained when 1.0, 1.5 and 2.0 M NaOH were adopted, respectively. Under the irradiation of 980 nm light, all the BFCTO samples exhibited no activity in degrading Rhodamine B (RhB). I  ...[more]

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