... Volume: Page: ... Figure 1. IR spectra of (a) MCM-41 dehydrated at 773 K, (b) pure copper precursor, and (c) Cu[OCHMeCH 2 NMe 2 ] 2 ... MCM-41 after removing the solvent at 298 K, (d) heating followed by eliminating the unreacted precursor at 353, (e) 373, (f ...