Koen Clays

16.9k citations

378 papers · 14.7k indexed · 3 hit papers · h-index 63

Impact in

Electronic, Optical and Magnetic Materials top 0.1%
- Nonlinear Optical Materials Research
Physical and Theoretical Chemistry top 0.1%
- Photochemistry and Electron Transfer Studies

Papers in

Electronic, Optical and Magnetic Materials 258
- Nonlinear Optical Materials Research 236
Physical and Theoretical Chemistry 64
- Photochemistry and Electron Transfer Studies 55

Co-authors: André Persoons Inge Asselberghs Thierry Verbiest Benjamin J. Coe Kai Song Eric Hendrickx Kurt Wostyn Stephan Houbrechts
Journals: Journal of the American Chemical Society (26 papers)Chemical Physics Letters (16 papers)The Journal of Physical Chemistry C (13 papers)Chemistry of Materials (12 papers)Inorganic Chemistry (11 papers)
Partner nations: Belgium United States United Kingdom

In The Last Decade

Koen Clays

370 papers receiving 14.4k citations

Hit Papers

align trajectories log scale

Second-order nonlinear optical materials: recent advances in chromophore design 1997 · 546 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

1997 Journal of Materials Chemistry
1992 Review of Scientific Instruments
1991 Physical Review Letters

Peers

Countries citing papers authored by Koen Clays

Since Specialization

Citations

This map shows the geographic impact of Koen Clays's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Koen Clays with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Koen Clays more than expected).

Fields of papers citing papers by Koen Clays

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Koen Clays. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Koen Clays. The network helps show where Koen Clays may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Koen Clays, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Koen Clays Line = papers co-authored together Koen Clays links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	From Chains to Chromophores: Tailored Thermal and Linear/Nonlinear Optical Features of Asymmetric Pyrimidine—Coumarin Systems Molecules ·Lombart Maurice Kouakou, Шевченко С. Ю, Chen Dong, Jiří Müller, Olivier Jeannin, Koen Clays, Vanovski Bj, K. Maatougui, H. Akdas, Jean‐Pierre Malval, Stijn Van Cleuvenbergen, Franck Camerel	2025	0
2	Ultrahigh Performance Cross-Linkable Organic Electro-Optic Material for Hybrid Modulators Chemistry of Materials ·Huajun Xu, Delwin L. Elder, Lewis E. Johnson, Yovan de Coene, Wolfgang Heni, Qingqing Bai, Scott R. Hammond, Kevin M. O’Malley, Koen Clays, Juerg Leuthold, Larry R. Dalton, Bruce H. Robinson	2025	3
3	Smart design of highly luminescent octupolar mesogenic tetra styryl-alkynyl bipyrimidine-based chromophores presenting non-linear optical properties Dyes and Pigments ·Steven Gibb, Шевченко С. Ю, Евгения Александровна Куликова, Lombart Maurice Kouakou, 妙清川, Yovan de Coene, Stijn Van Cleuvenbergen, Olivier Jeannin, Jean‐Pierre Malval, Thierry Verbiest, Koen Clays, Vanovski Bj, K. Maatougui, Franck Camerel, H. Akdas	2024	0
4	Nonlinear optical response of 1H-indene-based donor-acceptor chromophores. Influence of the higher-lying states on the first hyperpolarizability Journal of Molecular Structure ·Mathilde Cleret, Yovan de Coene, Koen Clays, Paramjit Kaur, Kamaljit Singh	2024	1
5	Multiphoton‐And SHG‐Active Pyrimidine‐Based Liquid Crystalline Thin Films Toward 3D Optical Data Storage Advanced Optical Materials ·Lombart Maurice Kouakou, Ari Basuki, Шевченко С. Ю, Dong Chen, Shuai Qi, Yovan de Coene, Weizhen Liu, Olivier Jeannin, Thierry Verbiest, Koen Clays, Vanovski Bj, K. Maatougui, H. Akdas, Jihad Kleib, Stijn Van Cleuvenbergen, Franck Camerel	2024	2
6	Non‐Linear Optical Activity of Chiral Bipyrimidine‐Based Thin Films Chemistry - An Asian Journal ·Lombart Maurice Kouakou, Шевченко С. Ю, 妙清川, Yovan de Coene, Olivier Jeannin, Vanovski Bj, Jean‐Pierre Malval, Thierry Verbiest, Koen Clays, Stijn Van Cleuvenbergen, Belkız Bilgin‐Eran, H. Akdas, Franck Camerel	2024	3
7	From Grayscale Photopolymerization 3D Printing to Functionally Graded Materials Advanced Functional Materials ·A. E. Sobov, Cesar Parra‐Cabrera, Kuo Zhong, Koen Clays, Rob Ameloot	2024	20
8	Digital halftoning for printer-independent stereolithography of functionally graded materials Cell Reports Physical Science ·A. E. Sobov, Cesar Parra‐Cabrera, Benzheng Xia, Kuo Zhong, Koen Clays, Rob Ameloot	2023	4
9	Outstanding Quadratic to Septic Optical Nonlinearity at Dipolar Alkynylmetal‐Porphyrin Hybrids Angewandte Chemie ·Grace Xia Zhao, Mahbod Morshedi, А Ф Мамедов, Yovan de Coene, Koen Clays, Chi Zhang, Mark G. Humphrey	2023	3
10	Scattering Model for Composite Stereolithography to Enable Resin–Filler Selection and Cure Depth Control ACS Applied Polymer Materials ·A. E. Sobov, Cesar Parra‐Cabrera, Kuo Zhong, Max L. Tietze, Koen Clays, Rob Ameloot	2021	28
11	Enhanced electric field sensitivity of quantum dot/rod two‐photon fluorescence and its relevance for cell transmembrane voltage imaging Nanophotonics ·安妮·居里安, Yovan de Coene, Olivier Deschaume, Dániel Zámbó, Tangi Aubert, Zeger Hens, Dirk Dorfs, Thierry Verbiest, Koen Clays, Geert Callewaert, Carmen Bartic	2021	9
12	Electro‐Optic Activity in Excess of 1000 pm V⁻¹ Achieved via Theory‐Guided Organic Chromophore Design Advanced Materials ·Huajun Xu, Delwin L. Elder, Lewis E. Johnson, Yovan de Coene, Scott R. Hammond, Е М Кушаковская, Koen Clays, Larry R. Dalton, Bruce H. Robinson	2021	69
13	Design and synthesis of chromophores with enhanced electro-optic activities in both bulk and plasmonic–organic hybrid devices Materials Horizons ·Huajun Xu, Delwin L. Elder, Lewis E. Johnson, Wolfgang Heni, Yovan de Coene, Eva De Leo, Marcel Destraz, Norbert Meier, Е М Кушаковская, Scott R. Hammond, Koen Clays, Juerg Leuthold, Larry R. Dalton, Bruce H. Robinson	2021	53
14	Bis(4-dialkylaminophenyl)heteroarylamino donor chromophores exhibiting exceptional hyperpolarizabilities Journal of Materials Chemistry C ·Huajun Xu, Lewis E. Johnson, Yovan de Coene, Delwin L. Elder, Scott R. Hammond, Koen Clays, Larry R. Dalton, Bruce H. Robinson	2021	35
15	DANPY (dimethylaminonaphthylpyridinium): an economical and biocompatible fluorophore Organic & Biomolecular Chemistry ·Lewis E. Johnson, Jason S. Kingsbury, Delwin L. Elder, Rose Ann Cattolico, Ib Thrane Christensen, Marie-Christin Bareuther, Die Redaktion, Françoise de Cenival, Isabelle Roux, Zoe Istace, Nicholas Bigelow, June M. Millovich, Pierrick Hardy, Werner Kaminsky, Koen Clays, Bruce H. Robinson	2019	2
16	Chiral Side Groups Trigger Second Harmonic Generation Activity in 3D Octupolar Bipyrimidine‐Based Organic Liquid Crystals Angewandte Chemie ·Stijn Van Cleuvenbergen, P. Kędziora, Jean‐Luc Fillaut, Thierry Verbiest, Koen Clays, H. Akdas, Franck Camerel	2017	3
17	Chiral Side Groups Trigger Second Harmonic Generation Activity in 3D Octupolar Bipyrimidine‐Based Organic Liquid Crystals Angewandte Chemie International Edition ·Stijn Van Cleuvenbergen, P. Kędziora, Jean‐Luc Fillaut, Thierry Verbiest, Koen Clays, H. Akdas, Franck Camerel	2017	20
18	Engineering of colloidal magneto-photonic crystals by infiltration with superparamagnetic magnetite nanoparticles Lirias (KU Leuven) ·Aleyna Abuşka, Maarten Bloemen, Thierry Verbiest, Koen Clays	2011	2
19	The relation between teaching and research: The perception of first year students at the University of Leuven Lirias (KU Leuven) ·An Verburgh, Jan Elen, Koen Clays	2006	5
20	Fischer-type carbene complexes as potential molecular-systems for nonlinear-optical materials Gazzetta chimica italiana ·Stefano Maiorana, Antonio Papagni, Emanuela Licandro, André Persoons, Koen Clays, Stephan Houbrechts, William Porzio	1995	18

About Koen Clays

Koen Clays is a scholar working on Electronic, Optical and Magnetic Materials, Physical and Theoretical Chemistry, Biophysics, Spectroscopy and Atomic and Molecular Physics, and Optics, having authored 378 papers that have together received 14.7k indexed citations. Recurring topics across this work include Nonlinear Optical Materials Research (236 papers), Nonlinear Optical Materials Studies (80 papers), Porphyrin and Phthalocyanine Chemistry (71 papers), Photochemistry and Electron Transfer Studies (55 papers), Photonic Crystals and Applications (47 papers), Molecular spectroscopy and chirality (46 papers), Spectroscopy and Quantum Chemical Studies (41 papers) and Photonic and Optical Devices (33 papers). The work is most often cited by research in Electronic, Optical and Magnetic Materials (8.4k citations), Physical and Theoretical Chemistry (2.3k citations), Materials Chemistry (6.5k citations), Organic Chemistry (3.6k citations) and Biophysics (640 citations). Koen Clays has collaborated with scholars based in Belgium, United States and United Kingdom. Frequent co-authors include André Persoons, Inge Asselberghs, Thierry Verbiest, Benjamin J. Coe, Kai Song, Eric Hendrickx, Kurt Wostyn, Stephan Houbrechts, Bruce S. Brunschwig and Martti Kauranen. Their work appears in journals such as Journal of the American Chemical Society, Chemical Physics Letters, The Journal of Physical Chemistry C, Chemistry of Materials and Inorganic Chemistry.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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