People


Professors

Dirk Poelman

Team leader. Involved in LumiLab since the beginning in 1988. Has a special affinity for thin film optics, teaching large groups of students, analog electronics and bad science fiction. Loves his family, his guitar and his coworkers.

E-mail: Dirk.Poelman@UGent.be
Telephone: +32 9 264 43 67
Philippe Smet

Associate professor. Currently working on persistent phosphors, LED phosphors and size-effects in rare-earth doped materials. Is happy when working on electron microscopes, especially when there is cathodoluminescence involved. Fond of science communication. Physics outreach activities can be followed on twitter via @pfsmet. Grows vines as a hobby.

E-mail: Philippe.Smet@UGent.be
Telephone: +32 9 264 43 53

Post-doctoral researchers

Atul Sontakke

Post-doctoral researcher, exploring new luminescent materials for white LEDs.

E-mail: atul.sontakke@ugent.be
Telephone: +32 9 264 43 42
Jonas Joos

Post-doc studying the relation between the electronic structure and functional behavior of luminescent materials.

E-mail: jonas.joos@ugent.be
Telephone: +32 9 264 45 77
Katleen Korthout

Post-doctoral researcher, working on the properties of luminescent materials by extended X-ray absorption fine structure (exafs). She likes sudokus and movies.

E-mail: Katleen.Korthout@UGent.be
Telephone: +32 9 264 43 71

PhD students

Andreas Sousanis

PhD student working on the switchable material SmS and its properties.

E-mail: Andreas.Sousanis@UGent.be
Telephone: +32 9 264 45 77
Ang Feng

PhD student working on mechanoluminescent materials

E-mail: Ang.Feng@UGent.be
Telephone: +32 9 264 43 71
Anthony Parmentier

Anthony is studying all kind of thiosilicate phosphors with various colours and smells. He enjoys teaching.

E-mail: Anthony.Parmentier@UGent.be
Telephone: +32 9 264 43 81
Claude Tydtgat

Claude investigates the processes going on in persistent luminescent (glow-in-the-dark) materials, and tries to develop models to simulate them.

E-mail: claude.tydtgat@ugent.be
David Van der Heggen

PhD student working on persistent luminescent materials. Quantifying the energy that can be stored in them and trying to unravel the underlying trapping mechanism.

E-mail: David.VanderHeggen@UGent.be
Telephone: +32 9 264 45 77
Heleen Sijbom

PhD student on phosphors for displays

E-mail: heleen.sijbom@ugent.be
Telephone: +32 9 264 43 81
Jiaren Du

PhD student working on deep-red emitting persistent phosphors

E-mail: jiaren.du@ugent.be
Telephone: +32 9 264 43 64
Lisa Martin

Teaching assistant doing a PhD on luminescence microscopy

E-mail: lisa.martin@ugent.be
Telephone: +32 9 264 43 81
Olivier De Clercq

PhD student on persistent luminescent materials for medical imaging applications, in collaboration with the faculty of Pharmacy.

E-mail: olivier.declercq@ugent.be
Telephone: +32 9 264 43 64
Reinert Verstraete

PhD student working on phosphor materials for remote phosphor applications and device implementation.

E-mail: reinert.verstraete@ugent.be
Telephone: +32 9 264 43 71
Robin Petit

PhD student working on mechanoluminescence and optically stimulated luminescence.

E-mail: robin.petit@ugent.be
Telephone: +32 9 264 43 42
Simon Michels

PhD student working on mechanoluminescence

E-mail: simon.michels@ugent.be
Telephone: +32 9 264 43 42

Thesis students

Ewoud Cosaert

Ewoud writes a master thesis on infrared-emitting phosphors for medical imaging.

E-mail: ewoud.cosaert@ugent.be
Telephone: +32 9 264 43 64
Quinten De Vos

Thesis student studying defect properties of GaN semiconductor devices.

E-mail: quinten.devos@ugent.be
Telephone: +32 9 264 43 81

Technical staff members

Dirk Detollenaere

Beam line technician at the DUBBLE beamline (BM26) at the ESRF in Grenoble. You will very seldom find him in Ghent, the more in Grenoble.

E-mail: dirk@esrf.fr
Telephone: +33 476 88 24 11
Johan Van Driessche

Electronics engineer. Technical support personnel for Lumilab and in his spare time, likes a good game of chess.

E-mail: Johan.VanDriessche@UGent.be
Telephone: +32 9 264 43 51

Former co-workers

Alfonso Ramirez

Professor at the Universidad del Cauca in Colombia, worker in our lab as part of an exchange program on catalysis.


Azucena Arias

Azucena was a visiting PhD student from Mexico for a period of 3 months in 2017.


Barbara Adamczyk

Polish PhD student joining us for three months while studying the influence of flux addition and synthesis method on photoluminescent properties of oxynitride phosphors.

E-mail: Barbara.adamczyk@polsl.pl
Telephone: +32 9 264 43 81
Daniela Meroni

Exchange student from the University of Milan (Italy) who worked in our lab on photocatalysis for 3 months.


Davy Wauters

Independent patent attorney, founder of ‘DenK iP’.


Do Quang Trung

PhD student and visitor from the Hanoi University of Science and Technology (HUST), Vietnam. Trung works on luminescent materials for lighting.


Edith Rogers

PhD student at TU Delft, in the research group 'Radiation, Detection & Medical Imaging', working on switchable materials. Visits LumiLab for the deposition of samarium sulfide thin films.


Enea Michelena

Has been working on powder-EL phosphors in LumiLab. Is now teacher in a secondary school.


Hajieh Bastami

Belspo - Marie Curie post-doc working on low temperature synthesis methods for phosphor materials.


Hilde Poelman

Post-doc researcher. Involved in LumiLab through research on photocatalytic properties of thin titania films for air purification. Special interests are properties of vanadia in all its forms, interpreting XPS measurements and EXAFS. Currently working in the Laboratory for Chemical Technology.


Iolanda Cimieri

Successfully completed her PhD on photocatalysis. She investigated how TiO2 thin layers can help removing volatile organic compounds for air purifaction.


Javier del Castillo Vargas

Assistant professor at University of La Laguna (Tenerife); He works on sol-gel glass-ceramic materials for luminescent applications and he is also interested in develop materials by solvothermal synthesis for biomedical applications.

E-mail: fjvargas@ull.edu.es
Jo Van Haecke

Former PhD student, currently working for TP Vision (development of LCD televisions).


Jonas Botterman

Former PhD student on persistent luminescence and mechanoluminescence, who was also strongly involved in the International Year of Light (2015). Now working in industrial automation.


Karin Eufinger

Former PhD student on photocatalytic air purification.


Katrien Meert

Katrien obtained her PhD in January 2016. She is now working on secure disposal of radioactive waste at Niras (Brussels).

E-mail: Katrien.Meert@UGent.be
Koen Van den Eeckhout

Former PhD student and post-doc looking for novel phosphors to make LED lighting cheaper and better. Enjoys messing around with Matlab or Illustrator. Spends his free time listening to movie soundtracks, looking at glow-in-the-dark toys or traveling around Europe and the rest of the world. Now working with Ernst & Young.


Lia Trapaidze

Post-doc from Tbilisi, Georgia. Has been working in LumiLab as a NATO research fellow.


Luca Porati

Erasmus student from University of Milan (Italy) visiting the LumiLab research group from January 2015 until May 2015. Master student in chemistry, working on the characterization of calcium titanate and investigating on its luminescent properties.


Luyanda Lunga Noto

Visiting PhD student from the University of the Free State in Bloemfontein (South Africa)


Marilena Bartic

Marilena has spent almost a year with us as a post-doc to study photocatalysis in TiO2 thin layers.

E-mail: marilenabartic@yahoo.com
Marta Tiberi

Exchange student from University of Milan, working on the characterization of YAG and YAGG.

E-mail: marta.tiberi@ugent.be
Nursen Avci

Nursen was an Erasmus student in our group, later a PhD student, and finally a post-doc researcher. She was working on non-aqeous sol-gel synthesis of oxide layers for luminescence applications. Later, she was also involved in an industrial project on projection screens, together with the company Barco, where she is currently working.


Penka Voneva

Exchange researcher from Rousse University (Bulgaria). She worked in 2007 for several months at LumiLab on the sol-gel deposition of barium titanate thin films.


Rita Vercaemst

Made a PhD on CaS:Eu electroluminescent devices in our lab. Currently working as Continuous Improvement Manager at Alpro.


Samira Mammadova

Visiting PhD student from Baku, Azerbaijan


Samuel Poncé

PhD student from the UCL (Université Catholique de Louvain) performing ab-initio calculations on luminescence and comparing the results with experimental data.

E-mail: samuel.ponce@uclouvain.be
Sofie Abé

Sofie obtained her PhD at PCN group and Lumilab for developing nanomaterials based on chalcopyrite Cu(In,Ga)(S,Se)2 nanocrystals as Cd-free phosphors for warm white LEDs. She can no longer be found in a lab in S3, since she now works for NovoPolymers.

E-mail: Sofie.Abe@ugent.be
Tomas Steponavicius

Visiting student from Vilnius University, helping us with automating real-time color measurements.


Telephone: +32 9 264 43 42