1 Retraction to: Journal of Porous Materials (2019) 26:1713–1720 https://doi.org/10.1007/s10934-019-00772-4

The Editor-in-Chief has retracted this article [1]. Concerns were raised with Figures 2b and 7a. Subsequent postpublication review concluded that the results of the article are unreliable. Additionally, Figure 7b was reproduced from [2] without permission. All authors agree with the retraction.