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DOI: 10.1039/C9RA90099C (Correction) RSC Adv., 2020, 10, 1828-1828

Correction: Visible-light photocatalytic performance, recovery and degradation mechanism of ternary magnetic Fe3O4/BiOBr/BiOI composite

Jianhui Li, Fan Yang, Quan Zhou, Lijie Wu, Wenying Li, Ruipeng Ren* and Yongkang Lv*
Key Laboratory of Coal Science and Technology, Ministry of Education and Shanxi Province, Taiyuan University of Technology, No. 79 Yingze West Street, Taiyuan 030024, China. E-mail: renruipeng888@126.com

Received 20th December 2019 , Accepted 20th December 2019

First published on 9th January 2020

Abstract

Correction for ‘Visible-light photocatalytic performance, recovery and degradation mechanism of ternary magnetic Fe3O4/BiOBr/BiOI composite’ by Jianhui Li et al., RSC Adv., 2019, 9, 23545–23553.

The authors regret that incorrect insets were shown in Fig. 9b in the original manuscript. An SEM image of the composite before the reaction was shown in the top inset, whereas an image after the reaction should have been shown. The correct figure is shown below.
image file: c9ra90099c-f9.tif
Fig. 1 (a) Recycling utilization experiments and magnetism of Fe3O4/BiOBr/BiOI (0.4[thin space (1/6-em)]:[thin space (1/6-em)]3[thin space (1/6-em)]:[thin space (1/6-em)]1) composite before and after recycling (inset); (b) XRD patterns and SEM images (inset) of Fe3O4/BiOBr/BiOI (0.4[thin space (1/6-em)]:[thin space (1/6-em)]3[thin space (1/6-em)]:[thin space (1/6-em)]1) composite before and after recycling.

In addition, on page 23548 in the section on Morphology and composition characterization, the molar ratio of Bi[thin space (1/6-em)]:[thin space (1/6-em)]O[thin space (1/6-em)]:[thin space (1/6-em)]Br[thin space (1/6-em)]:[thin space (1/6-em)]I[thin space (1/6-em)]:[thin space (1/6-em)]Fe in the EDS analysis of the composite was incorrectly shown as 19[thin space (1/6-em)]:[thin space (1/6-em)]33[thin space (1/6-em)]:[thin space (1/6-em)]15[thin space (1/6-em)]:[thin space (1/6-em)]48[thin space (1/6-em)]:[thin space (1/6-em)]57. Therefore, the sentence beginning “What is more, the quantitative result presents the atomic…” should be corrected as shown below:

What is more, the quantitative result presents the atomic of Bi[thin space (1/6-em)]:[thin space (1/6-em)]O[thin space (1/6-em)]:[thin space (1/6-em)]Br[thin space (1/6-em)]:[thin space (1/6-em)]I[thin space (1/6-em)]:[thin space (1/6-em)]Fe in the ternary magnetic Fe3O4/BiOBr/BiOI (0.4[thin space (1/6-em)]:[thin space (1/6-em)]3[thin space (1/6-em)]:[thin space (1/6-em)]1) composite is 48[thin space (1/6-em)]:[thin space (1/6-em)]57[thin space (1/6-em)]:[thin space (1/6-em)]33[thin space (1/6-em)]:[thin space (1/6-em)]15[thin space (1/6-em)]:[thin space (1/6-em)]19, which is in line with theoretical chemometrics ratio of 20[thin space (1/6-em)]:[thin space (1/6-em)] 28[thin space (1/6-em)]:[thin space (1/6-em)]15[thin space (1/6-em)]:[thin space (1/6-em)]5:[thin space (1/6-em)]6 for Bi[thin space (1/6-em)]:[thin space (1/6-em)]O[thin space (1/6-em)]:[thin space (1/6-em)]Br[thin space (1/6-em)]:[thin space (1/6-em)]I[thin space (1/6-em)]:[thin space (1/6-em)]Fe in Fe3O4/BiOBr/BiOI (0.4[thin space (1/6-em)]:[thin space (1/6-em)]3[thin space (1/6-em)]:[thin space (1/6-em)]1) in view of instrumental error, implying that the mole ratio of Fe3O4, BiOBr and BiOI in the ternary magnetic Fe3O4/BiOBr/BiOI (0.4[thin space (1/6-em)]:[thin space (1/6-em)]3[thin space (1/6-em)]:[thin space (1/6-em)]1) composite is 0.4[thin space (1/6-em)]:[thin space (1/6-em)]3[thin space (1/6-em)]:[thin space (1/6-em)]1.

The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.

This journal is © The Royal Society of Chemistry 2020