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Persoonlijk profiel

Academic background

Reinder Coehoorn holds a Master's degree in Experimental Physics from Vrije Universiteit Amsterdam. He obtained his PhD degree from the University of GroningenFrom 1985 to 2015, Coehoorn worked at Philips Research Laboratories in Eindhoven. From 1993 to 1998, he was part-time professor on the physics of materials at the University of Amsterdam. In 1998, Coehoorn was appointed as part-time Professor of Physics and Application of Nanosystems at the Department of Applied Physics at TU/e, initially with a focus on magnetic nanomaterials and devices. In 2001, his research interest shifted to the field of organic electronics. Since 2015, Coehoorn is full professor at TU/e, affiliated with the group Molecular Materials and Nanosystems. He is co-founder of the company Simbeyond.   

Affiliated with

  • Institute for Complex Molecular Materials (ICMS), TU/e.

Partners in (semi-)industry

  • Simbeyond B.V. (NL), advanced simulations

Research profile

Reinder Coehoorn is Full Professor in the Molecular Materials and Nanosystems group since 2015. His research program focuses on the device physics of organic light-emitting diodes (OLEDS), which he studies experimentally and with advanced molecular-scale simulations that include electrical and photophysical processes. He has decades of industrial experience working at Philips Research, with a background in magnetism, including permanent magnets and magneto-electronic thin-film multilayers (showing giant or tunnel magnetoresistance) for read heads, sensors and non-volatile memories, novel opto-magnetic disk-recording technologies, magnetic biosensors, OLEDS and organic field-effect transistors.

Coehoorn is a member of the Natural Sciences and Engineering section of the Royal Netherlands Academy of Arts and Sciences (KNAW). From 2010 - 2018, he was a member of the executive board for NanoNextNL, the Dutch national research and technology program for micro- and nanotechnology. Coehoorn is also active as scientific advisor for Simbeyond, the company that markets the Bumblebee simulation software he developed at Philips Research and in collaboration with Eindhoven University of Technology (TU/e).

In 2000, Coehoorn and Wim de Jonge received the Gilles Holst medal for their joint contribution to insights into the Giant Magneto Resistance effect and their work in tunnel magneto resistance, creating advanced technology for depositing subnanometer layers.

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Onderzoeksoutput 1985 2019

626 Citaties (Scopus)

Unified description of charge-carrier mobilities in disordered semiconducting polymers

Pasveer, W. F., Cottaar, J., Tanase, C., Coehoorn, R., Bobbert, P. A., Blom, P. W. M., Leeuw, de, D. M. & Michels, M. A. J., 2005, In : Physical Review Letters. 94, 20, blz. 206601-1/4 206601

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

Open Access
carrier mobility
charge carriers
electric fields
electric potential
52 Citaties (Scopus)

Kinetic Monte Carlo study of sensitiviy of OLED efficiency and lifetime to materials parameters

Coehoorn, R., Eersel, van, H., Bobbert, P. A. & Janssen, R. A. J., 2015, In : Advanced Functional Materials. 25, 13, blz. 2024-2037

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

Gene Conversion
Organic light emitting diodes (OLED)
light emitting diodes
42 Citaties (Scopus)

Monte Carlo study of efficiency roll-off of phosphorescent organic light-emitting diodes : Evidence for dominant role of triplet-polaron quenching.

Eersel, van, H., Bobbert, P. A., Janssen, R. A. J. & Coehoorn, R., 2014, In : Applied Physics Letters. 105, 14, blz. 143303-1/5 5 blz., 143303

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

Open Access
light emitting diodes
current density
98 Citaties (Scopus)

Molecular-scale simulation of electroluminescence in a multilayer white organic light-emitting diode

Mesta, M., Carvelli, M., Vries, de, R. J., Eersel, van, H., Holst, van der, J. J. M., Schober, M., Furno, M., Lüssem, B., Leo, K., Loebl, P., Coehoorn, R. & Bobbert, P. A., 2013, In : Nature Materials. 12, 7, blz. 652-658

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

Organic light emitting diodes (OLED)
73 Citaties (Scopus)

Measuring the light emission profile in organic light-emitting diodes with nanometre spatial resolution

Mensfoort, van, S. L. M., Carvelli, M., Megens, M., Wehenkel, D. J., Bartyzel, M., Greiner, H., Janssen, R. A. J. & Coehoorn, R., 2010, In : Nature Photonics. 4, 5, blz. 329-335 7 blz.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

Light emission
Organic light emitting diodes (OLED)
light emission
light emitting diodes
spatial resolution


Applied natural sciences formal

1/09/12 → …


Organic electronics

1/09/15 → …




Reinder Coehoorn (Onderzoeker), Peter Bobbert (Onderzoeker)

Impact: Research Topic/Theme (at group level)


Analytical study of the drift-diffusion problem in organic layers

Auteur: Yitembe, B., 31 aug 2007

Begeleider: Schilders, W. (Afstudeerdocent 1), Coehoorn, R. (Afstudeerdocent 2) & Huizing, B. (Externe persoon) (Afstudeerdocent 2)

Scriptie/masterproef: Master


Charge transport in blue polymer Light-Emitting Diodes

Auteur: van Mensfoort, S., 28 feb 2005

Begeleider: Coehoorn, R. (Afstudeerdocent 1) & Vulto, S. (Externe persoon) (Externe coach)

Scriptie/masterproef: Master


Detection of superparamagnetic nanobeads with GMR technology for biosensor applications

Auteur: Verheyden, K., 30 jun 2003

Begeleider: Prins, M. (Afstudeerdocent 1) & Coehoorn, R. (Afstudeerdocent 2)

Scriptie/masterproef: Master


Device physics of blue organic LEDs: experiments and modeling

Auteur: Billen, J., 31 aug 2005

Begeleider: Bobbert, P. (Afstudeerdocent 1), Coehoorn, R. (Externe coach) & Vulto, S. (Externe persoon) (Externe coach)

Scriptie/masterproef: Master


Fabrication and characterisation of ferromagnetic tunnel junctions

Auteur: Zellenrath, M., 31 aug 1997

Begeleider: Oepts, W. (Externe persoon) (Afstudeerdocent 1) & Coehoorn, R. (Externe coach)

Scriptie/masterproef: Master