Publications

Molecular Electronics and Photonics

• Kai Song, Renaud Vallée, Mark Van der Auweraer, Frans De Schryver, André Persoons, Koen Clays
  Fluorophores-modified silica sphere as emission probe in photonic crystals
  Chemical Physics Letters 421, 1-4 (2006)

• Pascal Massé, Stéphane Reculusa, Koen Clays, Serge Ravaine
  Tailoring planar defect in three-dimensional colloidal crystals
  Chemical Physics Letters 422, 251-255 (2006)

• Benjamin J. Coe, Josephine L. Harries, Madeleine Helliwell, Bruce S. Brunschwig, James A. Harris, Inge Asselbergs, Sheng-Ting Hung, Koen Clays, Peter N. Horton, and Michael B. Hursthouse
  Syntheses and Quadratic Optical Nonlinearities of Ruthenium(II) Complexes with Ethynyl-Connected N-Methylpyridinium Electron Acceptors
  Inorganic Chemistry 45, 1215-1227 (2006)

• Inge Asselberghs, Gunther Hennrich, and Koen Clays
  Proton-Triggered Octopolar NLO Chromophores
  Journal of Physical Chemistry A 110, 6271-6275 (2006)

• Hu Kang, Guennadi Evmenenko, Pulak Dutta, Koen Clays, Kai Song, and Tobin J. Marks
  X-Shaped Electro-optic Chromophore with Remarkably Blue-Shifted Optical Absorption. Synthesis, Characterization, Linear/Nonlinear Optical Properties, Self-Assembly, and Thin Film Microstructural Characteristics
  Journal of the American Chemical Society 128, 6194-6205 (2006)

• Edith Botek, Milena Spassova, Benoît Champagne, Inge Asselberghs, André Persoons, Koen Clays
  Hyper-Rayleigh scattering of neutral and charged helicenes
  Chemical Physics Letters 417, 282-282 (2006).

• Joseph P.L.Morrall, Marie P. Cifuentes, Mark G. Humphrey, Ruben Kellens, Elke Robijns, Inge Asselberghs, Koen Clays, André Persoons, Marek Samoc, Anthony C. Willis
  Organometallic complexes for nonlinear optics. Part 36. Quadratic and cubic optical nonlinearities of 4-fluorophenylethynyl- and 4-nitro-(E) – stilbenylethynylruthenium complexes
  Inorganica Chimica Acta 359, 998-1005 (2006).

• Kai Song, Renaud Vallée, Mark Van der Auweraer, Koen Clays
  Spontaneous emission of nano-engineered fluorophores in photonic crystals, invited presentation
  Journal of Nonlinear Optical Physics & Materials 15(1) 1-8 (2006)

• Gunther Hennrich, Ana Omenat, Inge Asselberghs, Stijn Foerier, Koen Clays, Thierry Verbiest, and José Luis Serrano
  Liquid Crystals from C3-Symmetric Mesogens for Second-Order Nonlinear Optics
  Angewandte Chemie International Edition 45(25), 4203-4206 (2006)

• Gunther Hennrich, Ana Omenat, Inge Asselberghs, Stijn Foerier, Koen Clays, Thierry Verbiest, und José Luis Serrano
  Flüssigkristalle aus C3-symmetrischen Mesogenen für nichtlineaire Optik zweiter Ordnung
  Angewandte Chemie 118, 4310-4313 (2006)

• Ming Jun Piao, Khalil Chajara, Soo Jung Yoon, Hwan Mying Kim, Seung-Joon Jeon, Kai Song, Inge Asselberghs, André Persoons, Koen Clays, Bong Rae Cho
  First hyperpolarizabilities of Hexa(ethynyle)benzene Derivatives: Effect of Conjugation Length
  Journal of Materials Chemistry 16(23), 2273-2281 (2006)

• Benjamin J. Coe, Josephine L. Harries, Lathe A. Jones, Inge Asselberghs, Koen Clays, Bruce S. Brunschwig, James A. Harris, Javier Garín, and Jesús Orduna
  Pentacyanoiron(II) as an Electron Donor Group for Nonlinear Optics: Medium-Responsive Properties and Comparisons with Related Pentaammineruthenium(II) Complexes
  Journal of the American Chemical Society 128, 12192-12204 (2006)

• Laurence Labat, Jean-François Lamère, Isabelle Sasaki, Pascal G. Lacroix, Laure Vendier, Inge Asselberghs, Javier Pérez-Moreno, and Koen Clays
  Synthesis, Crystal Structure, and Second-Order Nonlinear Optical Properties of Ruthenium(II) Complexes with Substituted Bipyridine and Phenylpyridine Ligands
  European Journal of Inorganic Chemistry 15, 3105-3113 (2006).

• Marie P. Cifuentes, Clem E. Powell, Joseph P. Morrall, Andrew M. McDonagh, Nigel T. Lucas, Mark G. Humphrey, Marek Samoc, Stephan Houbrechts, Inge Asselberghs, Koen Clays, André Persoons, and Takashi Isoshima
  Electrochemical, Spectroelectrochemical, Molecular Quadratic and Cubic Nonlinear Optical Properties of Alkynylruthenium Dendrimers
  Journal of the Americal Chemical Society 128, 10819-10832 (2006)

• Tian-Gao Zhang, Yuxia Zhao, Kai Song, Inge Asselberghs, André Persoons, Koen Clays, and Michael J. Therien
  Electronic Modulation of Hyperpolarizable (Porphinato)zinc(II) Chromophores Featuring Ethynylphenyl-, Ethynylthiophenyl-, Ethynylthiazolyl-, and Ethynylbenzothiazolyl-Based Electron Donating and Accepting Moieties,
  Inorganic Chemistry 45, 9703-9712 (2006)

• Benjamin J. Coe, James A. Harris, Jonathan J. Hall, Bruce S. Brunschwig, Shen-Ting Hung, Wim Libaers, Koen Clays, Simon J. Coles, Peter N. Norton, Mark E. Light, and Michael B. Hursthouse
  Syntheses and Quadratic Nonlinear Optical Properties of Salts Containing Benzothiazolium Electron Acceptor Groups,
  Chemistry of Materials 18, 5907-5918 (2006)

• Kakoli Tripathy, Javier Pérez Moreno, Mark G. Kuzyk, Benjamin J. Coe, Koen Clays and Anne Myers Kelley
  Why hyperpolarizabilities Fall Short of the the Quantum Limits,
  Journal of Chemical Physics 125(7), 079905 (2006)

• Kasper Baert, Kai Song, Renaud Vallée, Mark Van der Auweraer, Koen Clays
  Spectral Narrowing of emission in self-assembled colloidal photonic superlattices,
  Journal of Applied Physics 100(12), 123112 (7 pages) (2006)

• Javier Perez-Moreno, Yuxia Zhao, Koen Clays, Yuquan Shen, Ling Qiu, Juming Hao, and Mark G. Kuzyk
  Modulated conjugation as a means for attaining a record high intrinsic hyperpolarizability,
  Optics Letters 32, 59-61 (2007)

• Jean François Lamère, Isabelle Malfant, Alix Sournia-Saquet, Pascal Lacroix, Jean Marc Fabre, Lakhémi Kaboub, Tahar Abbaz, Abdel-Krim Gouasmia, Inge Asselberghs and Koen Clays
  Quadratic Nonlinear Optical Response in Partially Charged Donor-Substituted Tetrathiafulvalenes: From a Computational Investigation to a Rational Synthetic Feasibility
  Chemistry of Materials 19(4), 805-815 (2007)

• Javier Pérez Moreno, Inge Asselberhgs, Yuxia Zhao, Kai Song, Hachiro Nakanishi, Oh-Kil Kim, Janka Matrai, Marc De Maeyer, Mark G. Kuzyk, Koen Clays
  Combined molecular and supramolecular bottom-up nano-engineering for enhanced nonlinear optical response: experiments, modeling and approaching the fundamental limit
  Journal of Chemical Physics 126(7) 074705 (2007)

• Milena Spassova, Inge Asselberghs, Thierry Verbiest, Koen Clays, Edith Botek, Benoît Champagne
  Theoretical investigation on bridged triarylamine helicenes: UV/visible and circular dichroism spectra
  Chemical Physics Letters 439, 213-218 (2007)

• Samia Zrig, Guy Koeckelberghs, Thierry Verbiest, Bruno Andrioletti, Eric Rose, André Persoons, Inge Asselberghs and Koen Clays
  Lambda-type Regioregular Oligothiophenes: Synthesis and Second-Order NLO Properties
  Journal of Organic Chemistry, 72(15), 5855-5858 (2007)

• Renaud A. L. Vallée, Kasper Baert, Branko Kolaric, Mark Van der Auweraer and Koen Clays
  Non-Exponential Decay of Spontaneous Emission from an Ensemble of Molecules in Photonic Crystals
  Physical Review B 76(4), 045113 (2007)

• Gunther Hennrich, Mª Teresa Murillo, Pilar Prados, Hassan Al-Saraierh, Paris E. Georghiou, David W. Thompson, Inge Asselberghs, and Koen Clays
  Alkynyl Expanded Donor-Acceptor Calixarenes: Geometry and Second-Order Nonlinear Optical Properties
  Chemistry A European Journal 13(27), 7753-7761 (2007)

• Kasper Baert, Kurt Wostyn, Renaud A. L. Vallée, and Koen Clays
  Second-order nonlinear optical properties of chromophore-coated particles: Symmetry considerations
  Journal of Nonlinear Optical Properties and Materials 16(1), 27-35 (2007)

• Kasper Baert, Wim Libaers, Branko Kolaric, Renaud A.L. Vallée, Didier Grandjean, Marcel di Vece, Peter Lievens and Koen Clays
  Development of Magnetic Materials for Photonic Applications
  Journal of Nonlinear Optical Properties and Materials 16(3), 281-294 (2007)

• Branko Kolaric, Kasper Baert, Renaud A. L. Vallée, Mark Van der Auweraer and Koen Clays
  Controlling the Fluorescence Resonant Energy Transfer by Photonic Crystal Bandgap Engineering
  accepted for publication in Chemistry of Materials

• Timothy N. Fondum, Katy A. Green, Michael D. Randles, Marie P. Cifuentes, Anthony C. Willis, Ayele Teshome, Inge Asselberghs, Koen Clays, and Mark G. Humphrey
  Organometallic Complexes for Nonlinear Optics. 41. Syntheses and Quadratic NLO Properties of 4-{4-(4-Nitrophenyl)diazophenyl}ethynylphenylethynyl Complexes
  accepted for publication in the Journal of Organometallic Chemistry

• Javier Pérez-Moreno, Koen Clays, and Mark G. Kuzyk,
  A new dipole-free sum-over-states expression for the second hyperpolarizability
  submitted to Journal of Chemical Physics (in revision)

• Mirko Faccini, Muralidharan Balakrishnan, Mart B. J. Diemeer, Zhi-peng Hu, Koen Clays, Inge Asselberghs, Arne Leinse, Alfred Driessen, David N. Reinhoudt and Willem Verboom
  Progress Towards Long Lifetime EO Devices: Enhanced Poling Efficiency in Highly Stable Nonlinear Optical Chromophores,
  submitted to Chemistry of Materials (in revision)

• Guido D. Batema, Martin Lutz, Anthony L. Spek, Cornelis A. van Walree, Celso de Mello Donegá, Andries Meijerink, Remco W. A. Havenith, Javier Pérez-Moreno, Koen Clays, Michael Büchel, Addy van Dijken, David L. Bryce, Gerard P. M. van Klink, and Gerard van Koten
  Substituted 4,4'-Stilbenoid NCN-Pincer Pt(II) Complexes. Luminescence and tuning of the electronic, and NLO properties, and the application in an OLED,
  submitted to Organometallics (in revision)

• Kasper Baert, Branko Kolaric, Michel Sliwa, Mark Van der Auweraer, Renaud A. L. Vallée, Koen Clays
  Influence of an external magnetic field on spontaneous emission in photonic crystals
  submitted to Chemistry of Materials

• Wim Libaers, Wim Vinckx, Johan Vanacken, Charles Dewhurst, Pascal Massé, Stéphane Reculusa, Serge Ravaine, Victor Moshchalkov and Koen Clays
  Preparation of functional colloidal photonic crystals: comparative study of convective self-assembly versus Langmuir-Blodgett deposition
  submitted to Langmuir

• Inge Asselberghs, Stijn Vancleuvenbergen, Gunther Hennrich, and Koen Clays
  Pyridinium Endcapped Octopolar NLO Chromophores
  submitted to Journal of Physical Chemistry

• Samia Zrig, Pauline Remy, Bruno Andrioletti, Eric Rose, Inge Asselberghs and Koen Clays
  Engineering Tunable Light Harvesting Systems with Oligothiophene Donors and Mono- or Bis-BODIPY Acceptors
  submitted to Journal of Organic Chemistry

• Kai Song, Ivan Miloradovic, Timothy V. Duncan, André Persoons, Thierry Verbiest, Michael J. Therien, and Koen Clays
  Strongly Coupled Oscillators having D2 symmetry: an Alternative Structural Motif for Potent Octopolar Nonlinear Optical Chromophores
  Submitted to Angewandte Chemie International Edition in English

• Inge Asselberghs, Ruben Kellens, Wim Libaers, Koen Clays, Jérôme Fortage, Errol Blart, Fabrice Odobel
  Large first hyperpolarizability and strong charge transfer absorption in highly electronically coupled zinc and gold porphyrin dyads
  submitted to Chemical Communications

• Guido D. Batema, Cornelis A. van Walree, Gerard P.M. van Klink, Celso de Mello Donegá, Andries Meijerink, Javier Pérez-Moreno, Koen Clays, and Gerard van Koten
  Octupolar Organometallic Pt(II) NCN-Pincer complexes; Synthesis, electronic, optophysical, and NLO properties
  submitted to Organometallics

• Inge Asselberghs, Christina Flors, Lara Ferrighi, Edith Botek, Benoît Champagne, Hideaki Mizuno, Ryoko Ando, Atsushi Miyawaki, Johan Hofkens, Mark Van der Auweraer, Koen Clays
  Second-harmonic generation in the photoswitchable GFP-like protein Dronpa,
  in preparation

• Guy Koeckelberghs, David Cornelis, André Persoons, Thierry Verbiest
  “Regioregular Poly[3-(4-alkoxyphenyl)thiophene]s: Evidence for a Two-Step Aggregation Process”
  Macromolecular Rapid Communications 2006, 27, 1132-1136.

• Guy Koeckelberghs, Marnix Vangheluwe, Kim Van Doorsselaere, Elke Robijns, André Persoons, Thierry Verbiest
  “Regioregularity in Poly(3-alkoxythiophene)s: Effects on the Faraday Rotation and Polymerization Mechanism”
  Macromolecular Rapid Communications 2006, 27, 1920-1925.

• David Briers, Lieven De Cremer, Guy Koeckelberghs, Stijn Foerier, Thierry Verbiest, Celest Samyn
  “Synthesis and Properties of a,?-phenyl-capped Bithiophene Derivatives”
  “Influence of the Position of the Connecting Spacer of the Chromophore on the Nonlinear Optical Response”
  Macromolecular Rapid Communications 2007, 28, 942-947.

• Guy Koeckelberghs, Lieven De Cremer, André Persoons, and Thierry Verbiest
  “Influence of the Substituent and Polymerization Methodology on the Properties of Chiral Poly(dithieno[3,2-b:2’,3’-d]pyrrole)s”
  Macromolecules 2007, 40, 4173-4181.

• Guy Koeckelberghs, Marnix Vangheluwe, André Persoons, and Thierry Verbiest
  “Chirality in Poly(phenylene-alt-bithophene)s: a Comprehensive Study of Their Behavior in Film and Nonsolvents”
  Macromolecules 2007: aanvaard

• V.K. Valev, A. Kirilyuk, Th. Rasing, F. Dela Longa, J.T. Kohlhepp, B. Koopmans
  “Oscillations of the net magnetic moment and magnetization reversal properties of the Mn/Co interface”
  Phys. Rev. B 75, 012401 (2007) (Brief Reports)

• Jae-Woo Jeong, Sung-Chul Shin, N.N. Dadoenkova, I.L. Lyubchanskii, V.K. Valev and Th. Rasing
  “Direct observation of controlled strain-induced second harmonic generation in Co0.25Pd0.75 thin film on Pb(ZrTi)O3 substrate”
  Appl. Phys. Lett. 90, 044108 (2007)

• S. Foerier, V.K. Valev, G. Koeckelberghs, I.A. Kolmychek, O.A. Aksipetrov and T. Verbiest
  "A spectroscopic study on the nonlinear optical susceptibilities of organic molecules"
  accepted.

• V.K. Valev, A. Kirilyuk and Th.Rasing
  “Nonlinear magneto-optical probing of magnetic nanostructures: observation of NiO(111) growth on a Ni(001) single crystal”
  accepted.

• B. Kolaric, M. Sliwa, M. Brucale, R. A. L. Vallee G. Zuccher, B. Samori, J. Hofkens, F. C. De Schryver
  Single molecule fluorescence spectroscopy of pH sensitive oligonucleotide switches
  Photochemistry & Photobiology, 2007, 6, 614