Vaid, Thomas P. - The University of Alabama

个人简介

Education: Undergraduate Degree B.S. Chemistry,1992, University of Illinois Education: Doctoral Degree Ph.D. Chemistry, 1997,Cornell University Education: Other Postdoctoral Research Associate, 1997-2000, California Institute of Technology

研究领域

Inorganic and organic electronic materials, solar energy conversion. Most broadly, our research involves materials chemistry with possible applications in renewable energy creation and storage. Our major project involves the synthesis of semiconducting hybrid organic-inorganic frameworks. In addition, we are exploring the synthesis of new porphyrin systems. Hybrid inorganic-organic semiconductors, or conducting MOFs. There are currently thousands of known metal-organic frameworks (MOFs), and very nearly all of them are electrically insulating. We are synthesizing new framework materials, mainly based on metal-sulfur or metal-selenium linkages, with the intent of creating electrically conducting materials. An example is the semiconductor [Pb3(C6S6)]n, shown below. Most of the frameworks that we have synthesized are non-porous (MOFs are often considered, by definition, to be porous), but as new semiconductors they nevertheless offer a wide variety of possible applications in devices such as photovoltaics and LEDs. Conducting porous MOFs offer additional applications as, for example, high-area electrodes for batteries or supercapacitors or electrocatalysis. We are therefore exploring the synthesis of both porous and nonporous materials. Porphyrin chemistry. We have synthesized several oxidized and reduced main-group porphyrin complexes, including the first antiaromatic porphyrin complex that had been isolated, Si(TPP)(THF)2. Recently we synthesized a porphyrin with a C=C unit in the center, (C=C)TTP, thus creating a purely organic, fully conjugated system. The crystal structure is shown below. This work was highlighted in C&EN.

近期论文

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“Synthesis, Characterization, and Calculated Electronic Structure of the Crystalline Metal-Organic Polymers [Hg(SC6H4S)(en)]n and [Pb(SC6H4S)(dien)]n”, Turner, D. L.; Stone, K. H.; Stephens, P. W.; Walsh, A.; Singh, M. P.; Vaid, T. P., Inorg. Chem. 2012, 51, 370-376. “A Porphyrin with a C=C Unit at Its Center”, Vaid, T. P. J. Am. Chem. Soc. 2011, 133, 15838-15841. “Semiconducting Lead-Sulfur-Organic Network Solids”, Turner, D. L.; Vaid, T. P.; Stephens, P. W.; Stone, K. H.; DiPasquale, A. G.; Rheingold, A. L.,J. Am. Chem. Soc. 2008, 130, 14-15. “Reversible Oxidation State Change in Germanium(tetraphenylporphyrin) Induced by a Dative Ligand: Aromatic GeII(TPP) and Antiaromatic GeIV(TPP)(pyridine)2”, Cissell, J. A.; Vaid, T. P.; Yap, G. P. A., J. Am. Chem. Soc. 2007, 129, 7841-7847. “An Antiaromatic Porphyrin Complex: Tetraphenylporphyrinato(Silicon)(L)2 (L = THF or Pyridine)”, Cissell, J. A.; Vaid, T. P.; Rheingold, A. L. J. Am. Chem. Soc. 2005, 127, 12212-12213.