World's Best Scientists 2026 revealed!
Koen Clays

Koen Clays

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Chemistry
Belgium
2025

D-Index & Metrics

Chemistry

D-Index
79
Citations
19762
World Ranking
3673
National Ranking
50

Research.com Recognitions

  • 2025 - Research.com Chemistry in Belgium Leader Award
  • 2022 - Research.com Chemistry in Belgium Leader Award
  • 2009 - SPIE Fellow

Overview

Koen Clays is affiliated with KU Leuven in Belgium and works primarily in the fields of Materials Science and Engineering. Their research focuses notably on Materials Chemistry, Electronic, Optical and Magnetic Materials, Biomedical Engineering, Electrical and Electronic Engineering, and Organic Chemistry.

The scientist's work covers a range of main topics including:

  • Nonlinear Optical Materials Research
  • Nonlinear Optical Materials Studies
  • Porphyrin and Phthalocyanine Chemistry
  • Liquid Crystal Research Advancements
  • Photochromic and Fluorescence Chemistry
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography

Koen Clays has published extensively in several scientific venues. The most frequent include:

  • The Cambridge Structural Database
  • Macromolecules
  • Chemistry of Materials
  • Advanced Functional Materials
  • Angewandte Chemie International Edition

Some recent papers highlight areas of advanced materials and electro-optic phenomena:

  • Ultrahigh Electro-Optic Coefficients, High Index of Refraction, and Long-Term Stability from Diels-Alder Cross-Linkable Binary Molecular Glasses, 2020, Chemistry of Materials
  • Electro-Optic Activity in Excess of 1000 pm V−1 Achieved via Theory-Guided Organic Chromophore Design, 2021, Advanced Materials
  • Design and synthesis of chromophores with enhanced electro-optic activities in both bulk and plasmonic-organic hybrid devices, 2021, Materials Horizons
  • Bis(4-dialkylaminophenyl)heteroarylamino donor chromophores exhibiting exceptional hyperpolarizabilities, 2021, Journal of Materials Chemistry C
  • Scattering Model for Composite Stereolithography to Enable Resin-Filler Selection and Cure Depth Control, 2021, ACS Applied Polymer Materials

Koen Clays collaborates frequently with several coauthors, including:

  • Yovan de Coene
  • Stijn Van Cleuvenbergen
  • Thierry Verbiest
  • Carmen Bartic
  • Olivier Deschaume

In 2009, Koen Clays was recognized as an SPIE Fellow, an award reflecting contributions in their scientific domain.

Best Publications

  • Hyper‐Rayleigh scattering in solution

    Koen Clays;André Persoons

  • Second-order nonlinear optical materials: recent advances in chromophore design

    Thierry Verbiest;Stephan Houbrechts;Martti Kauranen;Koen Clays

  • Fabrication of 3D Photonic Crystals of Ellipsoids: Convective Self-Assembly in Magnetic Field

    Tao Ding;Kai Song;Koen Clays;Chen-Ho Tung

  • Hyper-Rayleigh Scattering in Isotropic Solution

    Eric Hendrickx;Koen Clays;Andre Persoons

  • Design, Synthesis, Linear, and Nonlinear Optical Properties of Conjugated (Porphinato)zinc(II)-Based Donor−Acceptor Chromophores Featuring Nitrothiophenyl and Nitrooligothiophenyl Electron-Accepting Moieties

    Tian-Gao Zhang;Yuxia Zhao;Inge Asselberghs;André Persoons

  • INVESTIGATIONS OF THE HYPERPOLARIZABILITY IN ORGANIC MOLECULES FROM DIPOLAR TO OCTOPOLAR SYSTEMS

    Thierry Verbiest;Koen Clays;Celest Samyn;J Wolff

  • Quadratic Nonlinear Optical Properties of N-Aryl Stilbazolium Dyes**

    Benjamin J. Coe;James A. Harris;Inge Asselberghs;Koen Clays

  • Second-order Nonlinear Optical Characterization Techniques: An Introduction

    Thierry Verbiest;Koen Clays;Vincent Rodriguez

  • High-frequency demodulation of multi-photon fluorescence in hyper-Rayleigh scattering

    Geert Olbrechts;Rik Strobbe;Koen Clays;André Persoons

  • Ordering and optical properties of monolayers and multilayers of silica spheres deposited by the Langmuir–Blodgett method

    Márta Szekeres;Márta Szekeres;Olexiy Kamalin;Robert A. Schoonheydt;Kurt Wostyn

  • Supramolecular Second-Order Nonlinearity of Polymers with Orientationally Correlated Chromophores

    Martti Kauranen;Thierry Verbiest;Carlo Boutton;M.N. Teerenstra

  • Linear and Nonlinear Optical Properties of Colloidal Photonic Crystals

    Luis González-Urbina;Kasper Baert;Branko Kolaric;Javier Pérez-Moreno

  • Quadratic Optical Nonlinearities of N‐Methyl and N‐Aryl Pyridinium Salts

    Benjamin J. Coe;James A. Harris;Inge Asselberghs;Kurt Wostyn

  • Instantaneous, Simple, and Reversible Revealing of Invisible Patterns Encrypted in Robust Hollow Sphere Colloidal Photonic Crystals.

    Kuo Zhong;Jiaqi Li;Liwang Liu;Stijn Van Cleuvenbergen

  • Switching of molecular second-order polarisability in solution

    Inge Asselberghs;Koen Clays;André Persoons;Michael D. Ward

  • Nonlinear Optical Properties of Proteins Measured by Hyper-Rayleigh Scattering in Solution

    Koen Clays;Eric Hendrickx;M Triest;Thierry Verbiest

  • X-Shaped electro-optic chromophore with remarkably blue-shifted optical absorption. Synthesis, characterization, linear/nonlinear optical properties, self-assembly, and thin film microstructural characteristics.

    Hu Kang;Guennadi Evmenenko;Pulak Dutta;Koen Clays

  • Unusual frequency dispersion effects of the nonlinear optical response in highly conjugated (polypyridyl)metal-(porphinato)zinc(II) chromophores.

    H. Tetsuo Uyeda;Yuxia Zhao;Kurt Wostyn;Inge Asselberghs

  • Design strategies versus limiting theory for engineering large second-order nonlinear optical polarizabilities in charged organic molecules

    Koen Clays;Benjamin J. Coe

  • Syntheses and properties of two-dimensional charged nonlinear optical chromophores incorporating redox-switchable cis-tetraammineruthenium(II) centers

    Benjamin J. Coe;James A. Harris;Lathe A. Jones;Bruce S. Brunschwig

Frequent Co-Authors

Bruce S. Brunschwig
Bruce S. Brunschwig California Institute of Technology
Michael J. Therien
Michael J. Therien Duke University
Mark G. Humphrey
Mark G. Humphrey Australian National University
Benoît Champagne
Benoît Champagne University of Namur
Marek Samoc
Marek Samoc Wrocław University of Science and Technology
Mark G. Kuzyk
Mark G. Kuzyk Washington State University

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