Colorado State University NSF-REU Summer Program in Materials Chemistry Research:

Synthesis, Characterization, and Device Fabrication

Debbie C. Crans

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Research in the Crans group focuses on synthesis and studies of new vanadium, chromium and other transition metal coordination compounds and studies of these compounds. Some of our target complexes are derived from 2,6-pyridinedicarboxylic acid (H2dipic) and others from other aminoalcohol ligands.  Many of these complexes have potential for treatment of Type 2 diabetes. One undergraduate project would be the synthesis and characterization of V, Cr or other transition metal complexes and analogs of these complexes. Since H2dipic-OH is commercially available, only the H2dipic-NH2 ligand preparation is necessary.  Once these complexes are in hand studies with them could include chemical vapor deposition (CVD) and plasma-enhanced CVD (PECVD) studies for production of VxOy films.  This would be a collaborative project with the Fisher group and would include film characterization studies using a variety of spectroscopic tools.  In addition, creation of solid state electrochromic devices.  In a second project, an REU student would examine how these compounds interact with lipid interfaces.  Upon complex preparation and isolation UV-visible and IR spectroscopy will be used for characterization of all the complexes. 51V, 13C and 1H NMR spectroscopy will be used for characterization of the vanadium(V) complexes. NMR spectroscopy is employed for the chromium complexes with appropriate oxidation states.  EPR spectroscopy will be used for the vanadium(IV) complexes and for the chromium(III) complexes.

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