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. 2015 Jul 29;1(5):252–260. doi: 10.1021/acscentsci.5b00247

Figure 5.

Figure 5

(A) The sequence of Co2+ exchanges within the Zn4O cluster of MOF-5, as suggested by the Co2+ symmetry inferred from the UV–vis traces. (B) The results of ICP-AES analysis of MOF-5 soaked in CoCl2 for periods between 1 min and 1 month. (C) Optical photographs of the Co-MOF-5 materials after cation exchange for periods denoted by the labels in white lettering. (D) Normalized diffused reflectance UV–visible traces of the various Co-MOF-5 materials with the length of cation exchange labeled by each trace.