Correction to: Communications Chemistry: 1: 61 https://doi.org/10.1038/s42004-018-0058-3; published online 09 October 2018

The previously published version of this Article contained an error in Fig. 1. In Fig. 1c, the thickness of the HKUST-1 layer was incorrectly labelled. It should have been labelled 3 nm. This error has been corrected in both the PDF and HTML versions of the Article.