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. 2015 Jun 9;5:10876. doi: 10.1038/srep10876

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Copyright © 2015, Macmillan Publishers Limited

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(a) Comparison of the PXRD patterns of the as-synthesized trzn-COF, Pd-trzn-COF and the post catalysis Pd-trzn-COF indicating considerable stability to nanoparticle loading and catalysis. (b) IR spectra showing the presence of expected functionalities and a good match between the catalyst and the support (c) Nitrogen adsorption isotherm of trzn-COF and Pd-trzn-COF carried out at 77K. It has micro- and mesoporous character. The low temperature synthesized phase show about 35% lower porosity than the HT one. (d) Vapor sorption isotherms of trzn-COF showing least interaction towards water and a more abrupt uptake of methanol at low P/P_o region. (e) Heats of adsorption data showing the interaction being the strongest for methanol. (f) Contact anlge measurement showing the angle made by a drop of water on a powder surface of the COF (90 ± 2°).