Kadish, Karl - University of Houston - Department of Chemistry

个人简介

Ph.D., Pennsylvania State University, 1970 B.S., University of Michigan, 1967

研究领域

Analytical Chemistry. Chemistry and electrochemistry of compounds of biological interest; porphyrin chemistry, spectroelectrochemistry; redox reactions of transition metal complexes; electrochemistry of metal-metal bonded complexes, organometallic chemistry, fullerene chemistry and fullerene electrochemistry. One area of our research involves the chemistry and electrochemistry of metalloporphyrins and related macrocycles. Work in our laboratory is oriented towards an elucidation of the redox properties of metalloporphyrins and metallocorroles containing both main group and transition metal ions. The general approach has been to study the redox potentials and electron transfer mechanisms as a function of solvent and supporting electrolyte, type and oxidation state of central metal ion, axial coordination of the metal ion and macrocycclic structure. Special emphasis has been place on the use of cyclic voltammetry and spectroelectrochemistry but a large number of other electrochemical and spectroscopic methodologies are also utilized. In this regard, we have developed and expanded the use of thin-layer spectroelectrochemical techniques involving FTIR, ESR and UV-visible methods, and a number of projects involve the application of these techniques towards the solving of chemical problem. The UV-visible and near-IR measurements are carried out using diode array spectrophotometers and this allows for a rapid acquisition of data which is then used in elucidating both kinetic and thermodynamic aspects of the various electron transfer reactions. Research is also in progress to elucidate the redox reactions of different dirhodium and diruthenium complexes with bridging anionic ligands. The numerous redox reactions of these compounds are investigated by several electrochemical techniques and the products of each electrode reaction are characterized by ESR, FTIR and/or thin layer spectroelectrochemistry. Finally, our most recent project involves the chemistry and electrochemistry of fullerenes, organofullerenes and metallofullerene derivativess. The C60 molecule can be reduced by up to six electrons and a rich reductive electrochemistry is also observed for many organofullerene and metallofullerene derivatives. Each electrogenerated fullerene has a different chemistry and these anionic compounds are being investigated by chemical, electrochemical and spectroscopic methods under a variety of solution conditions as well as in the solid state.

近期论文

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Wenhao Huang, Zhongping Ou, Xueyan Chen, Zhaoli Xue, Guifen Lu, Hui Wang, Jingjing Xiao, Yuanyuan Fang and Karl M. Kadish “A Facile Synthetic Route to Meso-Tetraaryl Substituted N-5 Sapphyrins and First Single Crystal X-Ray Analysis Confirming the Pyrrole Inverted Structure” J. of Porphyrins and Phthalocyanines In Press (2015) Christina M. Davis, Kei Ohkubo, I-Ting Ho, Zhan Zhang, Masatoshi Ishida, Yuanyuan Fang, Vincent M. Lynch, Karl M. Kadish, Jonathan L. Sessler and Shunichi Fukuzumi, “Near-Infrared-Induced Electron Transfer of an Uranyl Macrocyclic Complex Without Energy Transfer to Dioxygen” Chem. Comm. In Press (2015) Yuanyuan Fang, Yulia Gorbunova, Ping Chen, Xiaoqin Jiang, Machima Manowong, Anna A. Sinelshchikova, Yulia Yu. Enakieva, Alexander G. Martynov, Aslan Tsivadze, Alla Bessmertnykh-Lemeune, Christine Stern, Roger Guilard, Karl M. Kadish “Electrochemical and Spectroelectrochemical Studies of Diphosphorylated Metalloporphyrins. Generation of A Phlorin Anion Product” Submitted to Inorg. Chem. In Press (2015) Yuanyuan Fang, Federica Mandoj, Lihan Zeng, Rajesh Pudi, Manuela Stefanelli Roberto Paolesse and Karl M. Kadish “Electrochemistry and spectroelectrochemistry of β-pyrazino-fused tetraarylporphyrins in nonaqueous media” J. of Porphyrins and Phthalocyanines In Press (2015) Zhongping Ou, Xueyan Chen, Lina Ye, Songlin Xue, Yuanyuan Fang, Xiaoqin Jiang, Karl M. Kadish “N-confused meso-tetraaryl-substituted free-base porphyrins: determination of protonation and deprotonation constants in nonaqueous media” J. Porphyrins and Phthalocyanines In Press (2015) Guifen Lu, Sen Yan, Mengying Shi, Wenhan Yu, Jing Li, Weihua Zhu, Zhongping Ou and Karl M. Kadish, “A new class of rare earth tetrapyrrole sandwich complexes containing corrole and phthalocyanine macrocycles: synthesis, physicochemical characterization and X-ray analysis” Chem. Comm., 51, 2411-2413 (2015) Songlin Xue, Zhongping Ou, Lina Ye, Guifen Lu, Yuanyuan Fang, Xiaoqin Jiang, Karl M. Kadish “Effect of Solvent and Protonation/Deprotonation on Electrochemistry, Spectroelectrochemistry and Electron Transfer Mechanisms of N-confused Tetraarylporphyrins in Nonaqueous Media” Chem. Eur. J., 21, 2651-2661 (2015) Bingbing Gao, Zhongping Ou, Xueyan Chen, Shi Huang, Bihong Li, Yuanyuan Fang and Karl M. Kadish, “Spectroelectrochemical characterization of meso triaryl-substitute Mn(IV), Mn(III) and Mn(II) corroles. Effect of solvent and oxidation state on UV-visible spectra and redox potentials in nonaqueous media” J. Porphyrins and Phthalocyanines, 18, 1131-1144 (2014) Jijun Tang, Zhongping Ou, Lina Ye, Minzhu Yuan, Yuanyuan Fang, Zhaoli Xue, Karl M. Kadish, “Meso-dichlorophenyl Substituted Co(III) Corrole: a Selective Electrocatalyst for the Two-Electron Reduction of Dioxygen in Acid Media, X-ray Crystal Structure Analysis and Electrochemistry, J. Porphyrins and Phthalocyanines, 18, 891-898 (2014) Lina Ye, Zhongping Ou, Deying Meng, Mingzhu Yuan, Yuanyuan Fang and Karl M. Kadish, “Electrochemistry of Fe(IV) and Mn(IV) Corroles Containing Meso-Dicholorphenyl Substituents and the use of These Compounds as Catalysts for the Electroreduction of Dioxygen in Acid Media” Turk. J. Chem., 38, 994-1005 (2014) Yuanyuan Fang, Mathias O. Senge, Eric Van Caemelbecke, Kevin M. Smith, Craig J. Medforth, Min Zhang and Karl M. Kadish “Impact of Substituents and Nonplanarity on Nickel and Copper Porphyrin Electrochemistry: First Observation of a Cu(II)/Cu(III) Reaction in Nonaqueous Media,” Inorg. Chem., 53, 10772-10778 (2014) Yuanyuan Fang, Xiaoqin Jiang, Zhongping Ou, Clément Michelin, Nicolas Desbois, Claude P. Gros and Karl M. Kadish, “Redox Properties of Nitrophenylporphyrins and Electrosynthesis of Nitrophenyl-Linked Zn Porphyrin Dimers or Arrays” J. Porphyrins and Phthalocyanines, 18, 832-841 (2014) Bin Sun, Zhongping Ou, Deying Meng, Yuanyuan Fang, Yang Song, Weihua Zhu, Pavlo V. Solntsev, Victor N. Nemykin, Karl M. Kadish “Electrochemistry and Catalytic Properties for Dioxygen Reduction using Ferrocene-substituted Cobalt Porphyrins” Inorg. Chem., 53, 8600-8609 (2014) Yuanyuan Fang, Federica Mandoj, Sara Nardis, Giuseppe Pomarico, Manuela Stefanelli, Daniel O. Cicero, Sara Lentini, Andra Vecchi, Yan Cui, Lihan Zeng, Karl M. Kadish and Roberto Paolesse, “New Example of Hemiporphycene Formation from the Corrole Ring Expansion” Inorg. Chem., 53, 7404-7415 (2014) Yuanyuan Fang, Dominik Koszelewski,Karl M. Kadish and Daniel T. Gryko “Facile Electrosynthesis of π-Extended Porphyrins” Chemical Communications, 50, 8867-8867 (2014) Machima Manowong, Baocheng Han, Thomas R. McAloon, Jianguo Shao, Ilia A. Guzei, Siyabonga Ngubane, Eric Van Caemelbecke, John L. Bear, Karl M. Kadish, “The Effect of Axial Ligands on the Spectroscopic and Electrochemical Properties of Diruthenium Compounds” Inorg. Chem., 53, 7416-7428 (2014) Weihua Zhua, Cui Ni, Lili Liang, Junwen Li, Minzhi Li, Zhongping Ou and Karl M. Kadish, “Electroreductive dechlorination of a-hexachlorocyclohexane catalyzed by iron porphyrins in nonaqueous media” J. of Porphyrins and Phthalocyanines, 18, 519-527 (2014) Maria Pia Donzello, Giorgia De Mori, David Futur, Zhen Fu, Corrado Rizzoli, Luisa Mannina, Enrico Bodo, Maria Luisa Astolfi, Claudio Ercolani, and Karl M. Kadish, “ Experimental and DFT/Time-Dependent DFT Studies on Neutral and One-Electron-Reduced Quinoxaline and Pyrazine Precursors and Their Mononuclear (PdII, PtII) Derivatives” Eur. J. Inorg. Chem. 3572-3581 (2014) Alexander Mitrofanov, Machima Manowong, Alla Bessmertnykh-Lemeune, St.Phane Brandes, Yoann Rousselin, Roger Guilard, Ping Chen, Karl M. Kadish, Nataliya Goulioukina, Irina Beletskaya, “Structural and electrochemical studies of copper(I) complexes with diethoxyphosphoryl-1,10-phenanthrolines” Eur. J. of Inorg. Chem., 3370-3386 (2014) Bin Sun, Zhongping Ou, Shuibo Yang, Deying Meng, Guifen Lu, Yuanyuan Fang, and Karl M. Kadish “Synthesis and electrochemistry of β-pyrrole nitro-substituted cobalt(II) porphyrins. Effect of the NO2 group on redox potentials, electron transfer mechanism and catalytic reduction of molecular oxygen in acid media” Dalton Trans. 43, 10809-10815 (2014)