Expression of concern: Facile route to synthesize Fe3O4@acacia–SO3H nanocomposite as a heterogeneous magnetic system for catalytic applications

TL;DR

This paper addresses concerns about a previously published study on a magnetic nanocomposite used for catalytic applications.

Contribution

The paper raises an expression of concern regarding the original study's findings and methodology.

Findings

The original study's claims about the nanocomposite's catalytic performance are under scrutiny.

Potential issues with the experimental data or interpretation are highlighted.

Abstract

Expression of concern for ‘Facile route to synthesize Fe3O4@acacia–SO3H nanocomposite as a heterogeneous magnetic system for catalytic applications’ by Reza Taheri-Ledari et al., RSC Adv., 2020, 10, 40055–40067, https://doi.org/10.1039/D0RA07986C.

Full text

The Royal Society of Chemistry is publishing this expression of concern in order to alert readers that concerns have been raised regarding the reliability of the FESEM and TEM images in Fig. 6a, b and d, as well as the EDX spectra in Fig. 3b and 7c. An investigation is underway, and an expression of concern will continue to be associated with the article until a final outcome is reached.

Laura Fisher

12th April 2024

Executive Editor, RSC Advances

Supplementary Material