Correction: Investigation of factors affecting the stability of compounds formed by isovalent substitution in layered oxychalcogenides, leading to identification of Ba3Sc2O5Cu2Se2, Ba3Y2O5Cu2Se2, Ba3Sc2O5Ag2Se2 and Ba3In2O5Ag2Se2

[This corrects the article DOI: 10.1039/D1TC05051F.]. This journal is © The Royal Society of Chemistry.