
Photo: UiT
Abraham Alemayehu
Research Scientist, Chemical Synthesis and Analysis
W. Ryan Osterloh,
Jeanet Conradie,
Abraham Alemayehu,
Abhik Ghosh,
Karl M. Kadish
:
The Question of the Redox Site in Metal-Metal Multiple-Bonded Metallocorrole Dimers
Abraham Alemayehu,
Macon Jedediah Abernathy,
Jeanet Conradie,
Ritimukta Sarangi,
Abhik Ghosh
:
Rhenium Biscorrole Sandwich Compounds: XAS Evidence for a New Coordination Motif
Jeanet Conradie,
Abraham Alemayehu,
Abhik Ghosh
:
Iridium(VII)-Corrole Terminal Carbides Should Exist as Stable Compounds
Jeanet Conradie,
Hugo Vazquez-Lima,
Abraham Alemayehu,
Abhik Ghosh
:
Comparing Isoelectronic, Quadruple-Bonded Metalloporphyrin and Metallocorrole Dimers: Scalar-Relativistic DFT Calculations Predict a > 1-eV Range for Ionization Potential and Electron Affinity
Abraham Alemayehu,
Abhik Ghosh
:
Phenol- and resorcinol-appended metallocorroles and their derivatization with fluorous tags
Abraham Alemayehu,
Laura J Mccormick-Mcpherson,
Jeanet Conradie,
Abhik Ghosh
:
Rhenium Corrole Dimers: Electrochemical Insights into the Nature of the Metal–Metal Quadruple Bond
Hugo Vazquez-Lima,
Jeanet Conradie,
Martin Amund Langaas Johansen,
Stian Martinsen,
Abraham Alemayehu,
Abhik Ghosh
:
Heavy-element-ligand covalence: Ligand noninnocence in molybdenum and tungsten Viking-helmet Corroles
Abraham Alemayehu,
Thomas Kolle Ekaney,
Rune Finsås Einrem,
Abhik Ghosh
:
The Story of 5d Metallocorroles: From Metal–Ligand Misfits to New Building Blocks for Cancer Phototherapeutics
Rune Finsås Einrem,
Einar Torfi Jonsson,
Simon J. Teat,
Nicholas S. Settineri,
Abraham Alemayehu,
Abhik Ghosh
:
Regioselective formylation of rhenium-oxo and gold corroles: Substituent effects on optical spectra and redox potentials
Benjamin D. Matson,
Thomas Kolle Ekaney,
Abraham Alemayehu,
Abhik Ghosh,
Ritimukta Sarangi
:
X-ray absorption spectroscopy of exemplary platinum porphyrin and corrole derivatives: Metal-: versus ligand-centered oxidation
Anders Reinholdt,
Abraham Alemayehu,
Kevin J. Gagnon,
Jesper Bendix,
Abhik Ghosh
:
Electrophilic Activation of Osmium-Nitrido Corroles: The OsN Triple Bond as a π-Acceptor Metallaligand in a Heterobimetallic OsVIN–PtII Complex
Md. Hafizur Rahman,
Michael D. Ryan,
Hugo Vazquez-Lima,
Abraham Alemayehu,
Abhik Ghosh
:
Infrared Spectroelectrochemistry of Iron-Nitrosyl Triarylcorroles. Implications for Ligand Noninnocence
Abraham Alemayehu,
Simon J. Teat,
Sergey M. Borisov,
Abhik Ghosh
:
Rhenium-Imido Corroles
Abraham Alemayehu,
Rune Finsås Einrem,
Laura J Mccormick-Mcpherson,
Nicholas S. Settineri,
Abhik Ghosh
:
Synthesis and molecular structure of perhalogenated rhenium-oxo corroles
Rune F. Einrem,
Abraham Alemayehu,
Sergey M. Borisov,
Abhik Ghosh,
Odrun Arna Gederaas
:
Amphiphilic rhenium-oxo corroles as a new class of sensitizers for photodynamic therapy
Tomohiro Higashino,
Yuma Kurumisawa,
Abraham Alemayehu,
Rune Finsås Einrem,
Debashis Sahu,
Daniel Packwood
et al.:
Heavy Metal Effects on the Photovoltaic Properties of Metallocorroles in Dye-Sensitized Solar Cells
ACS Applied Energy Materials 2020 DOI
Abraham Alemayehu,
Laura J McCormick,
Hugo Vazquez Lima,
Abhik Ghosh
:
Relativistic Effects on a Metal-Metal Bond: Osmium Corrole Dimers
Sergey M. Borisov,
Rune Finsås Einrem,
Abraham Alemayehu,
Abhik Ghosh
:
Ambient-temperature near-IR phosphorescence and potential applications of rhenium-oxo corroles
Photochemical and Photobiological Sciences 2019 DOI
Abraham Alemayehu,
Hugo Vazquez-Lima,
Simon J. Teat,
Abhik Ghosh
:
Unexpected Molecular Structure of a Putative Rhenium-Dioxo-Benzocarbaporphyrin Complex. Implications for the Highest Transition Metal Valence in a Porphyrin-Type Ligand Environment
Abraham Alemayehu,
Laura J McCormick,
Kevin J. Gagnon,
Sergey M. Borisov,
Abhik Ghosh
:
Stable Platinum(IV) Corroles: Synthesis, Molecular Structure, and Room-Temperature Near-IR Phosphorescence
Abraham Alemayehu,
Hugo Vazquez Lima,
Kevin J. Gagnon,
Abhik Ghosh
:
Stepwise Deoxygenation of Nitrite as a Route to Two Families of Ruthenium Corroles: Group 8 Periodic Trends and Relativistic Effects
Abraham Alemayehu,
Hugo Vazquez Lima,
Laura J McCormick,
Abhik Ghosh
:
Relativistic effects in metallocorroles: Comparison of molybdenum and tungsten biscorroles
Chemical Communications 2017 DOI
Christine Schies,
Abraham Alemayehu,
Hugo Vazquez Lima,
Ekaney Thomas Kolle,
Torsten Bruhn,
Gerhard Bringmann
et al.:
Metallocorroles as inherently chiral chromophores: Resolution and electronic circular dichroism spectroscopy of a tungsten biscorrole
Abraham Alemayehu,
Hugo Vazquez Lima,
Kevin J. Gagnon,
Abhik Ghosh
:
Tungsten Biscorroles: New Chiral Sandwich Compounds
Chemistry - A European Journal 2016 DOI
Sergey M. Borisov,
Abraham Alemayehu,
Abhik Ghosh
:
Osmium-nitrido corroles as NIR indicators for oxygen sensors and triplet sensitizers for organic upconversion and singlet oxygen generation
Rune Einrem,
Kevin J. Gagnon,
Abraham Alemayehu,
Abhik Ghosh
:
Metal-Ligand Misfits: Facile Access to Rhenium-Oxo Corroles by Oxidative Metalation
Chemistry - A European Journal 2016 DOI
Abraham Alemayehu,
Nicholas U. Day,
Tomoyasu Mani,
Alexander B. Rudine,
Ekaney Thomas Kolle,
Odrun Arna Gederaas
et al.:
Gold Tris(carboxyphenyl)corroles as Multifunctional Materials: Room Temperature Near-IR Phosphorescence and Applications to Photodynamic Therapy and Dye-Sensitized Solar Cells
ACS Applied Materials & Interfaces 14. July 2016 DOI
Abraham Alemayehu,
Hugo Vazquez Lima,
Christine M. Beavers,
Kevin J. Gagnon,
Jesper Bendix,
Abhik Ghosh
:
Platinum corroles
Abraham Alemayehu,
Marianne Marrigje Conradie,
Abhik Ghosh
:
Electronic absorption spectra of copper corroles: unexpected substituent effects in trans-meso-A(2)B-triarylcorrole complexes
Journal of Porphyrins and Phthalocyanines 2012 DOI
Ekaney Thomas Kolle,
Abraham Alemayehu,
Jeanet Conradie,
Christine M. Beavers,
Abhik Ghosh
:
The Structural Chemistry of Metallocorroles: Combined X-ray Crystallography and Quantum Chemistry Studies Afford Unique Insights
Accounts of Chemical Research 2012 DOI
Abraham Alemayehu,
Jeanet Conradie,
Abhik Ghosh
:
A First TDDFT Study of Metallocorrole Electronic Spectra: Copper meso-Triarylcorroles Exhibit Hyper Spectra
European Journal of Inorganic Chemistry (EurJIC) 2011 DOI
Abraham Alemayehu,
Abhik Ghosh
:
Gold corroles
Journal of Porphyrins and Phthalocyanines 2011 DOI
Inge Johansen,
Hans-Kristian Norheim,
Simon Larsen,
Abraham Alemayehu,
Jeanet Conradie,
Abhik Ghosh
:
Substituent effects on metallocorrole spectra: insights from chromium-oxo and molybdenum-oxo triarylcorroles
Journal of Porphyrins and Phthalocyanines 2011 DOI
Ekaney Thomas Kolle,
Abraham Alemayehu,
Jeanet Conradie,
Christine Beavers,
Abhik Ghosh
:
Synthesis and Molecular Structure of Gold Triarylcorroles
Inorganic Chemistry 2011 DOI
Abraham Alemayehu,
Lars Kr Hansen,
Abhik Ghosh
:
Nonplanar, Noninnocent, and Chiral: A Strongly Saddled Metallocorrole
Inorganic Chemistry 2010 DOI
Abraham Alemayehu,
Emmanuel Gonzalez,
Lars Kr Hansen,
Abhik Ghosh
:
Copper Corroles Are Inherently Saddled
Inorganic Chemistry 2009 DOI
Benjamin D. Matson,
Thomas Kolle Ekaney,
Abraham Alemayehu,
Abhik Ghosh,
Ritimukta Sarangi
:
Erratum: X-ray absorption spectroscopy of exemplary platinum porphyrin and corrole derivatives: Metal- versus ligand-centered oxidation (RSC Adv. (2021) 11 (32269-32274) DOI: 10.1039/D1RA06151H)
RSC Advances 2021 DOI
Odrun Arna Gederaas,
Rune Finsås Einrem,
Abraham Alemayehu,
Vanya Bogoeva,
Abhik Ghosh,
Mikael Lindgren
:
Photodynamic therapy using corroles and ruthenium porphyrins
2018
Hugo Vazquez Lima,
Abhik Ghosh,
Abraham Alemayehu
:
DFT study on platinum corrole complexes:
Conformation, spectra and redox potantials
2014
Hugo Vazquez Lima,
Abhik Ghosh,
Abraham Alemayehu
:
Copper corroles with triplet ground states: Tetrabenzotriarylcorroles
2014
Abraham Alemayehu,
Abhik Ghosh
:
Platinum Corroles
Abhik Ghosh,
Kolle E. Thomas,
Abraham Alemayehu,
Christine M. Beavers
:
The taco and the pancake: An 85 degrees difference in saddling dihedral between analogous copper and gold corroles
Abstract of Papers of the American Chemical Society 2012
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