Research Output per year
Personal profile
Research profile
René Janssen leads the interdepartmental research group Molecular Materials and Nanosystems at Eindhoven University of Technology, which is part of the departments Chemical Engineering and Chemistry as well as Applied Physics. The research objective of the group is to investigate and develop molecules, macromolecules and (nano)structured materials with tailored physical properties. The interest in these functional molecular materials and nanosystems is driven by the scientific challenge to understand the underlying mechanisms of the physical phenomena in systems of reduced dimensionality, down to the molecular level. Future applications are in organic and polymer solar cells, electrochemical cells, transistors and diodes.
Janssen has in particular obtained a thorough understanding of the subtle interactions of light and the chemical and electrical structures at the nanoscale. This has led to major improvements in the efficiency of polymer solar cells. The group now works on multi-junction molecular solar-to-electricity conversion devices, to further improve efficiencies. Another focus in Janssen's research is solar-to-fuel conversion using organic semiconductors in a process mimicking natural photosynthesis. To this aim new organic materials and electrocatalysts are being developed.
Academic background
René Janssen studied Chemistry and Chemical Engineering at Eindhoven University of Technology (TU/e, the Netherlands) where he received his MSc degree in 1983 cum laude. In 1987, he obtained his PhD at the same university with an experimental and theoretical study on organic radicals in single crystals. In 1991, he was appointed associate professor at TU/e in the field of physical organic chemistry. In 1993 and 1994, he was an associate researcher with the group of Professor Alan Heeger at the University of California Santa Barbara to work on the photophysical properties of conjugated polymers. In 2000, he was appointed full professor at TU/e in Physical Organic Chemistry at the department of Chemical Engineering & Chemistry. In 2003, he was also appointed Professor of Molecular Materials and Nanosystems at the department of Applied Physics. In 2011 Janssen was elected member of the Royal Netherlands Academy of Arts and Sciences (KNAW) and in 2013 he was appointed distinguished university professor at TU/e. Janssen received important grants and awards, among which the Pioneer grant from the Dutch science foundation NWO (1999), the René Descartes Prize from the European Commission (2000), a NWO TOP grant (2006), an ERC Advanced Grant (2013) and the NWO Spinoza Prize (2015). He is a member of the Institute for Complex Molecular Systems and one of the principal investigators of the long-term NWO Gravitation research program 'Functional Molecular Systems', which in 2012 was funded with 26,9 million euro.
Chair
Physical organic chemistry
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Research Output 1984 2019
Adjusting aggregation modes and photophysical and photovoltaic properties of diketopyrrolopyrrole-based small molecules by introducing B←N bonds
Pang, S., Más-Montoya, M., Xiao, M., Duan, C., Wang, Z., Liu, X., Janssen, R. A. J., Yu, G., Huang, F. & Cao, Y., 7 Jan 2019, In : Chemistry : A European Journal. 25, 2, p. 564-572 9 p.Research output: Contribution to journal › Article › Academic › peer-review
Advances in solution-processed multijunction organic solar cells
Rasi, D. D. C. & Janssen, R. A. J., 8 Mar 2019, In : Advanced Materials. 31, 10, 27 p., 1806499.Research output: Contribution to journal › Review article › Academic › peer-review
Carboxylate-substituted polythiophenes for efficient fullerene-free polymer solar cells: the effect of chlorination on their properties
Wang, Q., Li, M., Zhang, X., Qin, Y., Wang, J., Zhang, J., Hou, J., Janssen, R. A. J. & Geng, Y., 25 Jun 2019, In : Macromolecules. 52, 12, p. 4464-4474 11 p.Research output: Contribution to journal › Article › Academic › peer-review
Controlling the microstructure of conjugated polymers in high-mobility monolayer transistors via the dissolution temperature
Li, M., Bin, H., Jiao, X., Wienk, M. M., Yan, H. & Janssen, R. A. J., 10 Nov 2019, In : Angewandte Chemie - International Edition.Research output: Contribution to journal › Article › Academic › peer-review
Effect of charge-transfer state energy on charge generation efficiency via singlet fission in pentacene-fullerene solar cells
Willems, R. E. M., Meskers, S. C. J., Wienk, M. M. & Janssen, R. A. J., 25 Apr 2019, In : Journal of Physical Chemistry C. 123, 16, p. 10253-10261 9 p.Research output: Contribution to journal › Article › Academic › peer-review
Prizes
Research Center for Functional Molecular Systems
E.W. Meijer (Recipient), J.C.M. van Hest (Recipient), L. Brunsveld (Recipient), R.A.J. Janssen (Recipient) & R.P. Sijbesma (Recipient), 2013
Prize: NWO › Gravitation › Scientific
Solar Energy Conversion in Molecular Multi-Junctions
R.A.J. Janssen (Recipient), 2013
Prize: ERC › Advanced › Scientific
University professor: Prof. dr. ir. R.A.J. (René) Janssen
R.A.J. Janssen (Recipient), 2013
Prize: TU/e › University professor › Scientific
Courses
Press / Media
Study results pave the way to programmable electronic inks
René A.J. Janssen & Mengmeng Li
1/07/19
1 item of Media coverage
Press/Media: Expert Comment
Marriage of two cheap photovoltaic technologies
16/02/16
1 item of Media coverage
Press/Media: Expert Comment
DIFFER research institute moves to TU/e campus
19/05/15
1 item of Media coverage
Press/Media: Expert Comment
Why Extra Solvents During Processing Improve Organic Solar Cells
26/02/15
1 item of Media coverage
Press/Media: Expert Comment
Impacts
Organic flow batteries
Koen H. Hendriks (Researcher), René A.J. Janssen (Researcher)
Impact: Research Topic/Theme (at group level)
Organic solar cells
René A.J. Janssen (Researcher), Stefan C.J. Meskers (Researcher), Martijn M. Wienk (Researcher)
Impact: Research Topic/Theme (at group level)
Perovskite solar cells
René A.J. Janssen (Researcher), Stefan C.J. Meskers (Researcher), Martijn M. Wienk (Researcher)
Impact: Research Topic/Theme (at group level)
Photodetectors
Gerwin H. Gelinck (Researcher), René A.J. Janssen (Researcher), Stefan C.J. Meskers (Researcher)
Impact: Research Topic/Theme (at group level)
Solar fuels
René A.J. Janssen (Researcher), C.F.J. (Kees) Flipse (Researcher), Martijn M. Wienk (Researcher)
Impact: Research Topic/Theme (at group level)
Student theses
All-solution processed regular organic solar cells using a new inkjet-printable cathode
Author: van Franeker, J., 31 Aug 2012Supervisor: Galagan, Y. (External person) (Supervisor 1) & Janssen, R. (Supervisor 2)
Student thesis: Master
Bio activation of PPV-films for impedance-based biosensing
Author: Thoelen, R., 31 Aug 2004Supervisor: Janssen, R. (Supervisor 1), Cooreman, P. (External person) (External coach) & Wagner, P. (. (External person) (External coach)
Student thesis: Master
Characterisation of charge transport in polymer solar cells
Author: Plaisier, O., 31 Jan 2002Supervisor: van Duren, J. (Supervisor 1) & Janssen, R. (Supervisor 2)
Student thesis: Master
Controlling the aggregation behaviour of diketopyrrolopyrrole polymers for photovoltaic applications
Author: Leenaers, P., 30 Nov 2016Supervisor: Heintges, G. (Supervisor 1) & Janssen, R. (Supervisor 2)
Student thesis: Master
Controlling the doping level in a conducting polymer for application in enhancement mode organic electrochemical transistors
Author: Pol, T., 13 Nov 2018Supervisor: Meskers, S. (Supervisor 1), van de Burgt, Y. (Supervisor 2), Janssen, R. (Supervisor 2) & Friedrich, H. (Supervisor 2)
Student thesis: Master