Issue 38, 2020

Hydrothermal synthesis of Bi@Bi4Ti3O12 nanosheets with enhanced visible-light photocatalytic activity

Abstract

Bi@Bi4Ti3O12 nanosheets with enhanced visible-light photocatalytic activities were successfully synthesized via a simple hydrothermal route, in which ammonium bismuth citrate C6H10BiNO8 was used as the bismuth source and K2Ti6O13 nanofibers as the titanium sources. In general, the preferential adsorption of (C6H10NO8)3− ions on the (010) planes result in the formation of Bi4Ti3O12 nanosheets. Moreover, when the hydrothermal treatment time was long enough, the precursors and uncrystallized species in the solution got exhausted, and the (Bi2O2)2+ slabs underwent repeated exfoliation and recrystallization, leaving the unstable Bi ions deposited on the surfaces of the Bi4Ti3O12 nanosheets. Based on the experimental results, the highly (010) exposed single-crystalline Bi4Ti3O12 nanosheets with deposited Bi possess high visible-light photodegradation activities for RhB.

Graphical abstract: Hydrothermal synthesis of Bi@Bi4Ti3O12 nanosheets with enhanced visible-light photocatalytic activity

Article information

Article type
Paper
Submitted
09 Jul 2020
Accepted
08 Aug 2020
First published
17 Aug 2020

CrystEngComm, 2020,22, 6316-6321

Hydrothermal synthesis of Bi@Bi4Ti3O12 nanosheets with enhanced visible-light photocatalytic activity

L. Bao, Q. Bao, W. Jiang and G. Xu, CrystEngComm, 2020, 22, 6316 DOI: 10.1039/D0CE00994F

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