Synthesis of ω‐Bi 2 O 3  micropyramids with excellent photocatalytic properties | Zendy

Xu Zezhong | Zendy; Han Chengliang | Zendy; Xie Jinsong | Zendy

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Synthesis of ω‐Bi 2 O 3 micropyramids with excellent photocatalytic properties

Author(s) -

Xu Zezhong,

Han Chengliang,

Xie Jinsong

Publication year - 2020

Publication title -

micro and nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.25

H-Index - 31

ISSN - 1750-0443

DOI - 10.1049/mnl.2019.0330

Subject(s) - photocatalysis , materials science , nanotechnology , chemistry , catalysis , organic chemistry

Novel triclinic bismuth oxide (ω‐Bi 2 O 3 ) microcrystals with a pyramid‐like shape were successfully synthesised by a facile hydrothermal method. The effects of potassium sodium tartrate (KNaC 4 H 4 O 6 ·4H 2 O) concentration and the reaction time on the morphology were investigated, respectively. The experimental results showed that the tartrate (C 4 H 4 O 6 2– ) ions were responsible for the crystal growth of pyramid‐like ω‐Bi 2 O 3 at the same reaction time. The photocatalytic activity of ω‐Bi 2 O 3 pyramids was evaluated by degrading methyl orange under the visible‐light irradiation, revealing the ω‐Bi 2 O 3 pyramids exhibited outstanding photocatalytic activity due to its suitable bandgap energy.

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