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(A) Nitrogen isotherms at 77 K for Ni2X2BTDD. Inset: Barrett–Joyner–Halenda (BJH)39 pore size distribution calculated using the Kruk–Jaroniec–Sayari40 correction for hexagonal pores from the 77 K N2 adsorption isotherms. (B) Thermogravimetric analysis of Ni2X2BTDD. (C) Energy-dispersive X-ray spectra (EDS) for Ni2X2BTDD. (D) X-ray photoelectron spectroscopy (XPS) at the Cl 2p energy for Ni2X2BTDD.
