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. 2019 Sep 25;10:4348. doi: 10.1038/s41467-019-12285-4

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Catalytic performances of HZSM-5_T catalyst in methanol–toluene alkylation reaction. a Effects of reaction temperature on ZSM-5 shape-selectivity to p-xylene, and on ZSM-5 straight channel and sinusoidal channel sizes, where subscript max and min refers to the longest and shortest diameter of the elliptical cross-section of ZSM-5′s channel respectively, obtained from computed crystallographic data in Supplementary Fig. 3 and Supplementary Table 2. b Toluene conversion and p-xylene selectivity evolution with time on stream, where the upper limit of toluene conversion marked with dashed green line is 16.6% (470 °C; atmospheric pressure; toluene/methanol (mol/mol) = 6 was co-fed with hydrogen and water; see Methods for details)