Koushik Venkatesan

Associate Professor

  • 1689 Citations
  • 27 h-Index
20032019
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Research Outputs 2003 2019

  • 1689 Citations
  • 27 h-Index
  • 56 Article
  • 2 Conference proceeding contribution
  • 1 Letter
  • 1 Review article
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Article
2019

Nickel catalyzed synthesis of 4,4′-bichromenes/4,4′-bithiochromenes and their Atropisomerism

Muthuramalingam, S., Garg, J. A., Karthick, R., Fox, T., Blacque, O., Venkatesan, K., Ramanathan, S., Kabilan, S. & Balasubramanian, K. K., 7 Jan 2019, In : Organic Chemistry Frontiers. 6, 1, p. 134-139 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Energy barriers
Nickel
Discrete Fourier transforms
Catalysis
Activation energy

Thermally robust and tuneable phosphorescent gold(III) complexes bearing (N^N)-type bidentate ligands as ancillary chelates

Malmberg, R., Bachmann, M., Blacque, O. & Venkatesan, K., 7 Mar 2019, In : Chemistry - A European Journal. 25, 14, p. 3627-3636 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Bearings (structural)
Gold
Ligands
Organic light emitting diodes (OLED)
Discrete Fourier transforms

Towards blue emitting monocyclometalated gold(III) complexes-synthesis, characterization and photophysical investigations

Bachmann, M., Fessler, R., Blacque, O. & Venkatesan, K., 7 Jun 2019, In : Dalton Transactions. 48, 21, p. 7320-7330 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Gold
Ligands
Alkynes
Electronic properties
Nuclear magnetic resonance spectroscopy
2018

Highly stable and strongly emitting N-heterocyclic carbene platinum(II) biaryl complexes

Suter, D., van Summeren, L. T. C. G., Blacque, O. & Venkatesan, K., 16 Jul 2018, In : Inorganic Chemistry. 57, 14, p. 8160-8168 9 p.

Research output: Contribution to journalArticleResearchpeer-review

carbenes
Platinum
platinum
Ligands
ligands

Tunable membrane potential reconstituted in giant vesicles promotes permeation of cationic Peptides at nanomolar concentrations

Lin, C-C., Bachmann, M., Bachler, S., Venkatesan, K. & Dittrich, P. S., 12 Dec 2018, In : ACS Applied Materials and Interfaces. 10, 49, p. 41909-41916 8 p.

Research output: Contribution to journalArticleResearchpeer-review

2017

Harnessing white-light luminescence via tunable singlet-and triplet-derived emissions based on gold(III) complexes *

Bachmann, M., Blacque, O. & Venkatesan, K., 18 Jul 2017, In : Chemistry - A European Journal. 23, 40, p. 9451-9456 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Gold
Luminescence
Tuning
Phosphorescence
Light emission

Rationally designed blue triplet emitting gold(III) complexes based on a phenylpyridine-derived framework

Bachmann, M., Terreni, J., Blacque, O. & Venkatesan, K., 2017, In : Chemistry - A European Journal. 23, 16, p. 3837-3849 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Polymethyl Methacrylate
Quantum efficiency
Polymethyl methacrylates
Gold
Ligands

Stable N-heterocyclic carbene (NHC) cyclometalated (C^C) gold(III) complexes as blue-blue green phosphorescence emitters

Von Arx, T., Szentkuti, A., Zehnder, T. N., Blacque, O. & Venkatesan, K., 21 Apr 2017, In : Journal of Materials Chemistry C. 5, 15, p. 3765-3769 5 p.

Research output: Contribution to journalArticleResearchpeer-review

Phosphorescence
Gold
Ligands
Organic light emitting diodes (OLED)
Polymethyl Methacrylate
2016

Charge Transport and Conductance Switching of Redox-Active Azulene Derivatives

Schwarz, F., Koch, M., Kastlunger, G., Berke, H., Stadler, R., Venkatesan, K. & Lörtscher, E., 19 Sep 2016, In : Angewandte Chemie - International Edition. 55, 39, p. 11781-11786 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Charge transfer
Derivatives
Electrons
Density functional theory
Electrodes

Electronic communication in phosphine substituted bridged dirhenium complexes - clarifying ambiguities raised by the redox non-innocence of the C4H2- and C4-bridges

Li, Y., Blacque, O., Fox, T., Luber, S., Polit, W., Winter, R. F., Venkatesan, K. & Berke, H., 2016, In : Dalton Transactions. 45, 13, p. 5783-5799 17 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
phosphine
Rhenium
Density functional theory
Oxidation
Deprotonation

Field-induced conductance switching by charge-state alternation in organometallic single-molecule junctions

Schwarz, F., Kastlunger, G., Lissel, F., Egler-Lucas, C., Semenov, S. N., Venkatesan, K., Berke, H., Stadler, R. & Lörtscher, E., Feb 2016, In : Nature Nanotechnology. 11, 2, p. 170-176 7 p.

Research output: Contribution to journalArticleResearchpeer-review

alternations
Organometallics
low currents
Molecules
Hysteresis

Smectic A mesophases from luminescent sandic platinum(II) mesogens

Krikorian, M., Voll, C. C. A., Yoon, M., Venkatesan, K., Kouwer, P. H. J. & Swager, T. M., 25 Sep 2016, In : Liquid Crystals. 43, 12, p. 1709-1713 5 p.

Research output: Contribution to journalArticleResearchpeer-review

Liquid Crystals
Platinum
Liquid crystals
platinum
liquid crystals

Tunable and Efficient White Light Phosphorescent Emission Based on Single Component N-Heterocyclic Carbene Platinum(II) Complexes

Bachmann, M., Suter, D., Blacque, O. & Venkatesan, K., 16 May 2016, In : Inorganic Chemistry. 55, 10, p. 4733-4745 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Light emission
carbenes
Platinum
light emission
platinum
2015

Monocyclometalated gold(III) complexes bearing π-accepting cyanide ligands: syntheses, structural, photophysical, and electrochemical investigations

Szentkuti, A., Garg, J. A., Blacque, O. & Venkatesan, K., 16 Nov 2015, In : Inorganic Chemistry. 54, 22, p. 10748-10760 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Bearings (structural)
Iridium
Cyanides
cyanides
iridium

Stable and color tunable emission properties based on non-cyclometalated gold(III) complexes

Bachmann, M., Blacque, O. & Venkatesan, K., 7 Jun 2015, In : Dalton Transactions. 44, 21, p. 10003-10013 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Gold
Density functional theory
Ligands
Color
Phosphorescence

Structural and electronic variations of sp/sp(2) carbon-based bridges in di- And trinuclear redox-active iron complexes bearing Fe(diphosphine)X-2 (X = I, NCS) moieties

Lissel, F., Blacque, O., Venkatesan, K. & Berke, H., 26 Jan 2015, In : Organometallics. 34, 2, p. 408-418 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Bearings (structural)
Thiophenes
thiophenes
Bridged-Ring Compounds
Carbon
2014

Anticancer profile of a series of gold(III) (2-phenyl)pyridine complexes

Rubbiani, R., Zehnder, T. N., Mari, C., Blacque, O., Venkatesan, K. & Gasser, G., 2014, In : ChemMedChem. 9, 12, p. 2781-2790 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Thioredoxin-Disulfide Reductase
Gold
Guanosine Monophosphate
Enzyme inhibition
Flavoproteins

High-conductive organometallic molecular wires with delocalized electron systems strongly coupled to metal electrodes

Schwarz, F., Kastlunger, G., Lissel, F., Riel, H., Venkatesan, K., Berke, H., Stadler, R. & Lörtscher, E., 8 Oct 2014, In : Nano Letters. 14, 10, p. 5932-5940 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Organometallics
Metals
wire
Wire
Electrodes

Luminescent monocyclometalated cationic gold(iii) complexes: Synthesis, photophysical characterization and catalytic investigations

Zehnder, T. N., Blacque, O. & Venkatesan, K., 21 Aug 2014, In : Dalton Transactions. 43, 31, p. 11959-11972 14 p.

Research output: Contribution to journalArticleResearchpeer-review

Gold
Polymethyl Methacrylate
Ligands
Electronic properties
Bearings (structural)

Metal-free triplet phosphors with high emission efficiency and high tunability

Koch, M., Perumal, K., Blacque, O., Garg, J. A., Saiganesh, R., Kabilan, S., Balasubramanian, K. K. & Venkatesan, K., 16 Jun 2014, In : Angewandte Chemie - International Edition. 53, 25, p. 6378-6382 5 p.

Research output: Contribution to journalArticleResearchpeer-review

Boron Compounds
Boron compounds
Phosphorescence
Polymethyl Methacrylate
Heavy Metals

Monocyclometalated gold(III) monoaryl complexes - A new class of triplet phosphors with highly tunable and efficient emission properties

Szentkuti, A., Bachmann, M., Garg, J. A., Blacque, O. & VenKatosan, K., 24 Feb 2014, In : Chemistry - A European Journal. 20, 9, p. 2585-2596 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Gold
Phosphors
Ligands
Phosphorescence
Alkynes

Organometallic Single-Molecule Electronics: Tuning Electron Transport through X(diphosphine)(2)FeC4Fe(diphosphine)(2)X Building Blocks by Varying the Fe-X-Au Anchoring Scheme from Coordinative to Covalent

Lissel, F., Schwarz, F., Blacque, O., Riel, H., Lörtscher, E., Venkatesan, K. & Berke, H., 15 Oct 2014, In : Journal of the American Chemical Society. 136, 41, p. 14560-14569 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Ethane
Raman Spectrum Analysis
Organometallics
Electron Transport
X-Ray Diffraction

Tuning the luminescent properties of Pt(II) acetylide complexes through varying the electronic properties of N-heterocyclic carbene ligands

Zhang, Y., Clavadetscher, J., Bachmann, M., Blacque, O. & Venkatesan, K., 21 Jan 2014, In : Inorganic Chemistry. 53, 2, p. 756-771 16 p.

Research output: Contribution to journalArticleResearchpeer-review

carbenes
Electronic properties
Bearings (structural)
Tuning
tuning
2013

Highly efficient deep-blue emitters based on cis and trans N-heterocyclic carbene Pt-II acetylide complexes: Synthesis, photophysical properties, and mechanistic studies

Zhang, Y., Blacque, O. & Venkatesan, K., 11 Nov 2013, In : Chemistry - A European Journal. 19, 46, p. 15689-15701 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Quantum yield
Isomerization
Phosphorescence
Polymethyl Methacrylate
Platinum

Impact of 2,6-connectivity in azulene: Optical properties and stimuli responsive behavior

Koch, M., Blacque, O. & Venkatesan, K., 28 Nov 2013, In : Journal of Materials Chemistry C. 1, 44, p. 7400-7408 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Excited states
Discrete Fourier transforms
Isomers
Electronic properties
Optoelectronic devices

Stepwise construction of an iron-substituted rigid-rod molecular wire: targeting a tetraferra-tetracosa-decayne

Lissel, F., Fox, T., Blacque, O., Polit, W., Winter, R. F., Venkatesan, K. & Berke, H., 13 Mar 2013, In : Journal of the American Chemical Society. 135, 10, p. 4051-4060 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Iron
Metals
Wire
Ligands
Oxidation
2012

(Benzimidazolin-2-ylidene)-AuI-Alkynyl Complexes: Syntheses, structure, and photophysical properties

Garg, J. A., Blacque, O., Heier, J. & Venkatesan, K., Apr 2012, In : European Journal of Inorganic Chemistry. 11, p. 1750-1763 14 p.

Research output: Contribution to journalArticleResearchpeer-review

Phosphorescence
Deprotonation
Alkynes
Discrete Fourier transforms
Molecular structure

beta-Iminoenamine-BF2 complexes: Aggregation-induced emission and pronounced effects of aliphatic rings on radiationless deactivation

Perumal, K., Garg, J. A., Blacque, O., Saiganesh, R., Kabilan, S., Balasubramanian, K. K. & Venkatesan, K., Nov 2012, In : Chemistry - An Asian Journal. 7, 11, p. 2670-2677 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Boron
Agglomeration
Fluorine
Quantum yield
Discrete Fourier transforms

Dinuclear and mononuclear chromium acetylide complexes

Egler-Lucas, C., Blacque, O., Venkatesan, K., Lõpez-Hernández, A. & Berke, H., Mar 2012, In : European Journal of Inorganic Chemistry. 9, p. 1536-1545 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Chromium
Ligands
Ethane
Magnetic variables measurement
Cyclic voltammetry

Syntheses and Tunable Emission properties of 2-alkynyl azulenes

Koch, M., Blacque, O. & Venkatesan, K., 16 Mar 2012, In : Organic Letters. 14, 6, p. 1580-1583 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Azulenes
Alkynes
Excited states
Protons
Substitution reactions

Trans Bis-N-heterocyclic carbene bis-acetylide palladium(II) complexes

Koch, M., Garg, J. A., Blacque, O. & Venkatesan, K., 1 Mar 2012, In : Journal of Organometallic Chemistry. 700, p. 154-159 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Palladium
carbenes
palladium
Pyrene
pyrenes

Triptycene based luminescent metal-organic gels for chemosensing

Barman, S., Anand Garg, J., Blacque, O., Venkatesan, K. & Berke, H., 2012, In : Chemical Communications. 48, 90, p. 11127-11129 3 p.

Research output: Contribution to journalArticleResearchpeer-review

Gels
Metals
Acids
Aromatic compounds
Salts
2011

Incorporation of active metal sites in MOFs via in situ generated ligand deficient metal-linker complexes

Barman, S., Furukawa, H., Blacque, O., Venkatesan, K., Yaghi, O. M., Jin, G. X. & Berke, H., 21 Nov 2011, In : Chemical Communications. 47, 43, p. 11882-11884 3 p.

Research output: Contribution to journalArticleResearchpeer-review

Metal complexes
Metals
Ligands
Ions
pyrazole

Syntheses and photophysical properties of luminescent mono-cyclometalated gold(III) cis-dialkynyl complexes

Garg, J. A., Blacque, O. & Venkatesan, K., 20 Jun 2011, In : Inorganic Chemistry. 50, 12, p. 5430-5441 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Gold
Metals
gold
Electrospray ionization
Phosphorescence

Synthesis and luminescent properties of cis bis-N-heterocyclic carbene platinum(II) bis-arylacetylide complexes

Zhang, Y., Garg, J. A., Michelin, C., Fox, T., Blacque, O. & Venkatesan, K., 21 Feb 2011, In : Inorganic Chemistry. 50, 4, p. 1220-1228 9 p.

Research output: Contribution to journalArticleResearchpeer-review

carbenes
Platinum
Discrete Fourier transforms
platinum
Ligands
2010

An iron-capped metal-organic polyyne: {[Fe](C≡C)2[W] ≡CC≡CC≡[W](C≡C)2[Fe]}

Semenov, S. N., Taghipourian, S. F., Blacque, O., Fox, T., Venkatesan, K. & Berke, H., 9 Jun 2010, In : Journal of the American Chemical Society. 132, 22, p. 7584-7585 2 p.

Research output: Contribution to journalArticleResearchpeer-review

Organometallics
Ethane
Iron
Metals
Electrons

Azulene based metal-organic frameworks for strong adsorption of H 2

Barman, S., Furukawa, H., Blacque, O., Venkatesan, K., Yaghi, O. M. & Berke, H., 14 Nov 2010, In : Chemical Communications. 46, 42, p. 7981-7983 3 p.

Research output: Contribution to journalArticleResearchpeer-review

Metals
Adsorption
Molecules
azulene

Cumulenylidene and acetylide complexes accessed via stannylated acetylenes and butadiynes

Semenov, S. N., Blacque, O., Fox, T., Venkatesan, K. & Berke, H., 13 Dec 2010, In : Organometallics. 29, 23, p. 6321-6328 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Alkynes
Carbon Monoxide
acetylene
vinylidene
tungsten

Electronic communication in dinuclear C4-bridged tungsten complexes

Semenov, S. N., Blacque, O., Fox, T., Venkatesan, K. & Berke, H., 10 Mar 2010, In : Journal of the American Chemical Society. 132, 9, p. 3115-3127 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Tungsten
Carbon Monoxide
Communication
Ligands
Electrons

Stable and tunable phosphorescent neutral cyclometalated Au(III) diaryl complexes

Garg, J. A., Blacque, O., Fox, T. & Venkatesan, K., 20 Dec 2010, In : Inorganic Chemistry. 49, 24, p. 11463-11472 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Density functional theory
pyridines
Bearings (structural)
density functional theory
Excited states
2009

Chemistry of chromium bis-acetylide complexes

López-Hernández, A., Venkatesan, K., Schmalle, H. W. & Berke, H., Jul 2009, In : Monatshefte fur Chemie. 140, 7, p. 845-857 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Magnetic variables measurement
Chromium
Cyclic voltammetry
Paramagnetic resonance
Diffraction

Self-coupling of a 4-H-butatrienylidene tungsten complex

Semenov, S. N., Blacque, O., Fox, T., Venkatesan, K. & Berke, H., 29 Jun 2009, In : Angewandte Chemie - International Edition. 48, 28, p. 5203-5206 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Tungsten
Dimers
Metals

Synthesis and characterization of mononuclear and dinuclear manganese bis-acetylide complexes

Fritz, T., Schmalle, H. W., Blacque, O., Venkatesan, K. & Berke, H., Jul 2009, In : Zeitschrift fur Anorganische und Allgemeine Chemie. 635, 9-10, p. 1391-1401 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Manganese
Nuclear magnetic resonance spectroscopy
Raman spectroscopy
Infrared spectroscopy
X ray diffraction
2008

Columnar mesophases from half-discoid platinum cyclometalated metallomesogens

Venkatesan, K., Kouwer, P. H. J., Yagi, S., Müller, P. & Swager, T. M., 2008, In : Journal of Materials Chemistry. 18, 4, p. 400-407 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Platinum
Optical microscopy
platinum
Crystalline materials
Liquid Crystals
2007

Organometallic manganese complexes as scaffolds for potential molecular wires

Venkatesan, K., Blacque, O. & Berke, H., 2007, In : Dalton Transactions. 11, p. 1091-1100 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Molecular electronics
Organometallics
Manganese
Scaffolds
Transition metals
2006

Dark-field oxidative addition-based chemosensing: New bis-cyclometalated Pt(II) complexes and phosphorescent detection of cyanogen halides

Thomas, S. W., Venkatesan, K., Müller, P. & Swager, T. M., 27 Dec 2006, In : Journal of the American Chemical Society. 128, 51, p. 16641-16648 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Coordination Complexes
Metal complexes
Ligands
Cyanogen Bromide
Phosphorescence
2005

New access to homodinuclear half-sandwich vinylidenemanganese complexes

Venkatesan, K., Fox, T., Schmalle, H. W. & Berke, H., 4 Mar 2005, In : European Journal of Inorganic Chemistry. 5, p. 901-909 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Acetylene
Tin
Nuclear magnetic resonance spectroscopy
Infrared spectroscopy
X ray diffraction

Synthesis and characterization of redox-active C4-bridged rigid-rod complexes with acetylide-substituted manganese end groups

Venkatesan, K., Fox, T., Schmalle, H. W. & Berke, H., 6 Jun 2005, In : Organometallics. 24, 12, p. 2834-2847 14 p.

Research output: Contribution to journalArticleResearchpeer-review

Quinuclidines
Manganese
Nuclear magnetic resonance spectroscopy
Cyclic voltammetry
Raman spectroscopy

μ-carbon - Carbon bonds of dinuclear manganese half-sandwich complexes as electron reservoirs

Venkatesan, K., Blacque, O., Fox, T., Alfonso, M., Schmalle, H. W., Kheradmandan, S. & Berke, H., 28 Feb 2005, In : Organometallics. 24, 5, p. 920-932 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Proton transfer
Tin
Toluene
Manganese
Discrete Fourier transforms
2004

Carbon-Carbon Bonds of Manganese Half-Sandwich Complexes for Electron Reservoir Functions

Venkatesan, K., Blacque, O., Fox, T., Alfonso, M., Schmalle, H. W. & Berke, H., 15 Mar 2004, In : Organometallics. 23, 6, p. 1183-1186 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Manganese
manganese
Carbon
Electrons
carbon