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(a) PXRD patterns of MOFs 1-NH2 Simulated, 1-NH2, 1-N3 demonstrating the stability of MOF before and after chemical modification. (b) FT-IR spectra of MOFs 1-NH2 and 1-N3 clearly showing the appearance of new peak corresponding to –N3 confirming chemical modification of –NH2 to –N3 functionality in MOF. (c) 1H-NMR of acid digested MOFs 1-NH2, 1-N3 and 1-N3 upon Na2S treatment.
