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Personal profile

Quote

"In this life we will never see more than light can convey. Therefore it seems worthwhile to investigate  this radiation, and its interaction with molecules, as deeply as we can."

Research profile

Stefan Meskers is an Associate Professor at the Molecular Materials and Nanosystems group. His research focuses on spectroscopy and optoelectronic properties of molecular semiconductors. He is particularly interested in optical excitations in molecular materials and their relation to generation and/or recombination of mobile charge carriers. To this end, spectroscopic methods are used to probe the elementary excitations focusing of the on fluorescence and polarization spectroscopy. The application of electrodes to the molecular materials allows monitoring the generation of electrical charge carriers from optical excitations and the associated photovoltaic effect, e.g. in solar cells. Also recombination of electrically injected carrier to yield electroluminescence is studied in this way. Recently Stefan Meskers started investigating optical processes in highly order molecular semiconductors such as molecular crystals and liquid crystals. The focus is on understanding the polariton, i.e. the quantum of electromagnetic energy inside matter.

Academic background

Stefan Meskers studied Chemistry at Leiden University where he obtained his MSc degree in 1992. In 1997, he obtained his PhD at the same university under supervision of Harry Dekkers with his thesis on spectroscopy with circularly polarized light to probe binding of small chiral molecules to proteins. He was a postdoctoral researcher at the Université Libre de Bruxelles with Prof. Jean-Marie Ruysschaert for the remainder of the year, after which he moved to Eindhoven University of Technology (TU/e) for a postdoc project with professors Bert Meijer and Joachim Wolter. In 1999 and 2001 he was a postdoc at the Philipps Universität Marburg (Germany) with Heinz Bäßler, where he became deeply interested in the optical properties of molecular semiconductors and organic electronics. In 2001 he returned to TU/e to work at the Laboratory of Macromolecular and Organic Chemistry of Prof. René Janssen, on a postdoctoral fellowship from the Royal Dutch Academy of Arts and Sciences. In 2003 he was appointed Assistant Professor at the same group.

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Research Output 1994 2019

51 Citations (Scopus)

Infrared detectors with poly(3,4-ethylenedioxythiophene)/poly(styrene sulfonic acid) (PEDOT/PSS) as the active material

Meskers, S. C. J., Van Duren, J. K. J., Janssen, R. A. J., Louwet, F. & Groenendaal, L. B., 17 Apr 2003, In : Advanced Materials. 15, 7-8, p. 613-616 4 p.

Research output: Contribution to journalArticleAcademicpeer-review

Styrene
Sulfonic Acids
Infrared detectors
Infrared radiation
Surface resistance
688 Citations (Scopus)

The energy of charge-transfer states in electron donor-acceptor blends : insight into the energy losses in organic solar cells

Veldman, D., Meskers, S. C. J. & Janssen, R. A. J., 2009, In : Advanced Functional Materials. 19, 12, p. 1939-1948

Research output: Contribution to journalArticleAcademicpeer-review

Charge transfer
Energy dissipation
solar cells
energy dissipation
charge transfer

Chiral excitonic organic photodiodes for direct detection of circular polarized light

Schulz, M., Balzer, F., Scheunemann, D., Arteaga, O., Lützen, A., Meskers, S. C. J. & Schiek, M., 6 Mar 2019, In : Advanced Functional Materials. 1900684

Research output: Contribution to journalArticleAcademicpeer-review

Light polarization
Photodiodes
polarized light
photodiodes
handedness
4 Citations (Scopus)

Amplifying chiroptical properties of conjugated polymer thin-film using an achiral additive

Kulkarni, C., Meskers, S. C. J., Palmans, A. R. A. & Meijer, E. W., 14 Aug 2018, In : Macromolecules. 51, 15, p. 5883-5890 8 p.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
Conjugated polymers
Polymer films
Thin films
Alcohols
Bearings (structural)
Open Access
File
ionic crystals
infrared reflection
polaritons
Gages
fine structure

Impacts

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)

Polaritons in organic crystals

Stefan C. J. Meskers (Researcher)

Impact: Research Topic/Theme (at group level)

Student theses

Controlling the doping level in a conducting polymer for application in enhancement mode organic electrochemical transistors

Author: Pol, T., 13 Nov 2018

Supervisor: Meskers, S. (Supervisor 1), van de Burgt, Y. (Supervisor 2), Janssen, R. (Supervisor 2) & Friedrich, H. (Supervisor 2)

Student thesis: Master

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Development of a fluorescent sensor protein for copper

Author: Spijker, K., 30 Jun 2005

Supervisor: van Dongen, E. (Supervisor 1), Merkx, M. (Supervisor 2), Meijer, E. (Supervisor 2), Meskers, S. (Supervisor 2) & Broers, J. (Supervisor 2)

Student thesis: Master

Development of a protein-based, fluorescent copper sensor

Author: Vlaming, M., 31 Oct 2003

Supervisor: Merkx, M. (Supervisor 1), Meijer, E. (Supervisor 2), Klomp, L. W. (External person) (Supervisor 2) & Meskers, S. (Supervisor 2)

Student thesis: Master

Electroforming of alkali halide-organic semiconductor memory diodes

Author: Wang, J., 30 Nov 2014

Supervisor: Meskers, S. (Supervisor 1), Bory, B. (Supervisor 2), Janssen, R. (Supervisor 2), Wienk, M. (Supervisor 2) & Debije, M. (Supervisor 2)

Student thesis: Master

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