文摘
The Publisher regrets that this article is an accidental duplication of an article that has already been published in Microporous and Mesoporous Materials, DOI of original article: http://dx.doi.org/10.1016/j.micromeso.2016.10.027. The duplicate article has therefore been withdrawn.As a consequence, pages 1–9 originally occupied by the withdrawn article are missing from the printed issue. The publisher apologizes for any inconvenience this may cause.The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy.