2026 Koen Vandewal: Materials Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Materials Science	76	3254	3142	30	30	230	22656

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Materials Science

3254

3142

230

22656

Overview

Koen Vandewal is affiliated with Hasselt University in Belgium and has contributed extensively to the fields of Engineering and Materials Science, with a particular focus on Electrical and Electronic Engineering, Polymers and Plastics, and Materials Chemistry. Their research spans various subfields including Biomedical Engineering and Bioengineering.

The scientist's work predominantly covers topics such as Organic Electronics and Photovoltaics, Conducting Polymers and Applications, Perovskite Materials and Applications, Molecular Junctions and Nanostructures, Organic Light-Emitting Diodes Research, Analytical Chemistry and Sensors, and Photonic and Optical Devices.

Their recent papers include:

A History and Perspective of Non-Fullerene Electron Acceptors for Organic Solar Cells (2021, Advanced Energy Materials)
Reverse dark current in organic photodetectors and the major role of traps as source of noise (2021, Nature Communications)
Sub-picosecond charge-transfer at near-zero driving force in polymer:non-fullerene acceptor blends and bilayers (2020, Nature Communications)
Intrinsic Detectivity Limits of Organic Near-Infrared Photodetectors (2020, Advanced Materials)
Enhancing sub-bandgap external quantum efficiency by photomultiplication for narrowband organic near-infrared photodetectors (2021, Nature Communications)

Koen Vandewal frequently collaborates with a group of coauthors including Wouter Maes, Sam Gielen, Johannes Benduhn, Laurence Lutsen, and Donato Spoltore.

The major venues for their publications are:

Nature Communications
Advanced Functional Materials
Materials Horizons
Advanced Materials
Chemistry of Materials

Best Publications

A general relationship between disorder, aggregation and charge transport in conjugated polymers

Rodrigo Noriega;Rodrigo Noriega;Jonathan Rivnay;Jonathan Rivnay;Koen Vandewal;Felix P. V. Koch

2381
Citations
On the origin of the open-circuit voltage of polymer–fullerene solar cells

Koen Vandewal;Kristofer Tvingstedt;Abay Gadisa;Olle Inganäs

1403
Citations
Relating the open-circuit voltage to interface molecular properties of donor:acceptor bulk heterojunction solar cells

Koen Vandewal;Kristofer Tvingstedt;Abay Gadisa;Olle Inganäs

954
Citations
Efficient charge generation by relaxed charge-transfer states at organic interfaces

Koen Vandewal;Steve N. Albrecht;Eric T. Hoke;Kenneth Graham

866
Citations
Intrinsic non-radiative voltage losses in fullerene-based organic solar cells

Johannes Benduhn;Kristofer Tvingstedt;Fortunato Piersimoni;Sascha Ullbrich

704
Citations
The Relation Between Open‐Circuit Voltage and the Onset of Photocurrent Generation by Charge‐Transfer Absorption in Polymer : Fullerene Bulk Heterojunction Solar Cells

Koen Vandewal;Abay Gadisa;Wibren D. Oosterbaan;Sabine Bertho

673
Citations
A History and Perspective of Non-Fullerene Electron Acceptors for Organic Solar Cells

Ardalan Armin;Wei Li;Oskar J. Sandberg;Zuo Xiao

499
Citations
Electroluminescence from charge transfer states in polymer solar cells.

Kristofer Tvingstedt;Koen Vandewal;Abay Gadisa;Fengling Zhang

467
Citations
Beyond Langevin Recombination: How Equilibrium Between Free Carriers and Charge Transfer States Determines the Open-Circuit Voltage of Organic Solar Cells

Timothy M. Burke;Sean Sweetnam;Koen Vandewal;Michael D. McGehee

433
Citations
Charge Transfer State Versus Hot Exciton Dissociation in Polymer−Fullerene Blended Solar Cells

Jiye Lee;Koen Vandewal;Shane R. Yost;Matthias E. Bahlke

432
Citations
An Easily Accessible Isoindigo-Based Polymer for High-Performance Polymer Solar Cells

Ergang Wang;Zaifei Ma;Zhen Zhang;Zhen Zhang;Koen Vandewal

428
Citations
Optical Gaps of Organic Solar Cells as a Reference for Comparing Voltage Losses

Yuming Wang;Deping Qian;Yong Cui;Huotian Zhang

421
Citations
High Performance All-Polymer Solar Cell via Polymer Side-Chain Engineering

Yan Zhou;Tadanori Kurosawa;Wei Ma;Yikun Guo

378
Citations
Importance of the Donor:Fullerene Intermolecular Arrangement for High-Efficiency Organic Photovoltaics

Kenneth Graham;Kenneth Graham;Clement Cabanetos;Justin P. Jahnke;Matthew N. Idso

353
Citations
Organic narrowband near-infrared photodetectors based on intermolecular charge-transfer absorption.

Bernhard Siegmund;Andreas Mischok;Johannes Benduhn;Olaf Zeika

308
Citations
Recombination in Polymer:Fullerene Solar Cells with Open-Circuit Voltages Approaching and Exceeding 1.0 V

Eric T. Hoke;Koen Vandewal;Jonathan A. Bartelt;William R. Mateker

277
Citations
Interfacial Charge Transfer States in Condensed Phase Systems

Koen Vandewal

276
Citations
Redefining near-unity luminescence in quantum dots with photothermal threshold quantum yield.

David A. Hanifi;Noah D. Bronstein;Brent A. Koscher;Brent A. Koscher;Zach Nett

269
Citations
Reverse dark current in organic photodetectors and the major role of traps as source of noise.

Jonas Kublitski;Andreas Hofacker;Bahman K. Boroujeni;Johannes Benduhn

263
Citations
Formation of a Ground‐State Charge‐Transfer Complex in Polyfluorene//[6,6]‐Phenyl‐C61 Butyric Acid Methyl Ester (PCBM) Blend Films and Its Role in the Function of Polymer/PCBM Solar Cells

Jessica J. Benson-Smith;Ludwig Goris;Koen Vandewal;Ken Haenen

258
Citations
Increased Open‐Circuit Voltage of Organic Solar Cells by Reduced Donor‐Acceptor Interface Area

Koen Vandewal;Koen Vandewal;Johannes Widmer;Thomas Heumueller;Christoph J. Brabec

242
Citations
Elementary steps in electrical doping of organic semiconductors

Max Lutz Tietze;Johannes Benduhn;Paul Pahner;Bernhard Nell

231
Citations