Retraction Note: Solution combustion synthesis of CeO₂ nanoparticles for excellent photocatalytic degradation of methylene blue (Applied Physics A, (2022), 128, (475), 10.1007/s00339-022-05532-x)

The Editor in Chief has retracted this article. After publication, concerns were raised regarding the unusual EDS pattern in Fig. 6. Post-publication review confirmed the concern. The authors were asked to present raw data but did not respond to the request. (Additionally, a concern was raised regarding the contributions of each co-author. The authors did not provide a detailed explanation of the role each co-author played in preparation of this paper). The Editor, therefore, has lost confidence in the integrity of the findings of this article. Authors have not responded to any correspondence from the editor about this retraction.