Investigation of Ultrafast Photoelectrical Processes in Materials for Organic Electronics by Optical Techniques

vidgulb@ktl.mii.lt

(370) 5 2641236

Ultrafast excitation relaxation processes in molecular solutions, aggregates and solids.

Molecular isomerization, tautomerization, charge teransfer.

Optical nonlinearities of molecular materials.

Charge carrier generation, motion and recombination in organic and hybrid materials.

Studied at Faculty of Physics, Vilnius university, Lithuania (1975-1980); PhD dissertation "Light induced changes of the absorption coefficient and refraction index of dye solutions under picosecond excitation" (1988); 9 months visit at Umea University, Sweden (1992); 6 months visit at Centre of Atomic Investigations, Saclay, France (1999); 3 months visit at Institute of Atomic and Molecular sciences, Taipei, Taiwan (2000); Habilitation procedure dissertation "Ultrafast collective relaxation processes in photoexcited organic molecular systems" (2001); 2 months visit at Richmond University, USA (2008).

1980-2002, Junior to senior research fellow at the Institute of Physics, Vilnius

2002-2010, Leading researcher at the Institute of Physics, Vilnius

2010-present, Leading researcher at the Center for Physical Sciences and Technology, Vilnius (2010-present)

2009-present, Professor of Vilnius university

renata.karpicz@ftmc.lt

(370) 5 2619656

of organic molecules and molecular compounds.

Ultrafast relaxational processes in organic molecular compounds.

Charge carrier generation in organic semiconductors.

Studied at Faculty of Physics, Vilnius university (1990-1995); PhD dissertation "Excited-State Relaxation in Organic Molecules Related to Conformational and Tautomeric Izomerization" at the Institute of Physics, Vilnius; 3 months visit at Institute of Physics, Jagiellonian University, Krakow, Poland (2006-2007).

1995-1996, Assistan at the Department of General Physics and Spectroscopy of Faculty of Physics, Vilnius university

2001-2007, Researcher at the Institute of Physics, Vilnius

2008-2010, Senior researcher at the Institute of Physics, Vilnius

2010-2011, Senior researcher at the Institute of Material Science and Applied Research, Department of Semiconductor Optoelectronics, Faculty of Physics, Vilnius university

2010-present, Senior researcher at the Center for Physical Sciences and Technology, Vilnius (2010-present)

1.   R.Karpicz; S.Puzinas; J.Sulskus; S.Malickaja; S.Grigalevicius; V.Gulbinas „Electronic properties of carbazole-fluorene-benzothiadiazole compounds revealed by time resolved spectroscopy and quantum chemistry calculations“ Chem. Phys. (2012) in press.

2.   A. Vembris, I. Muzikante, R. Karpicz, G. Sliauzys, A. Miasojedovas, S. Jursenas and V. Gulbinas „Fluorescence and amplified spontaneous emission of glass forming compounds containing styryl-4H-pyran-4-ylidene fragment“ J. Lumin.  (2012) in press.

3.   V.Pranculis, R.Karpicz, A.Medvids, V.Gulbinas „Fluorescence quenching in porous silicon/conjugated polymer composites“ Phys. Status Solidi A 209 (2012) pp. 565-569.

4.   R. Karpicz, S. Puzinas, S. Krotkus, K. Kazlauskas, S. Jursenas, J. V. Grazulevicius, S.Grigalevicius, and V. Gulbinas ‚Impact of intramolecular twisting and exciton migration on emission efficiency of multifunctional fluorene-benzothiadiazole-carbazole compounds‘, J. Chem. Phys. 134 (2011) pp. 204508.

5.   R.Karpicz, V.Gulbinas, A.Lewanowicz, M.Macernis, J.Sulskus, L.Valkunas ‚Relaxation pathways of excited N-(triphenylmethyl)salicylidenimine in solutions‚ J. Phys. Chem. A  115 (2011) pp. 1861-1868.

6.   M.Franckevičius, R.Vaišnoras, M.Marcos, J.L.Serrano, R.Karpicz and V.Gulbinas „Excited-state relaxation of dendrimers functionalized with cyanoazobenzenetype terminal groups“ Chem. Phys Lett. 485 (2010) pp. 156-160.

7.   R.Karpicz, M.Kirkus, J.V.Grazulevicius, V.Gulbinas ‚Fluorescence quenching by charge carriers in indolo[3,2-b] carbazole-based polymer‘J. Lumin. 130 (2010) pp. 722-727.

8.   V.Gulbinas, R.Karpicz, I.Muzikante and L.Valkunas ‚Fluorescence quenching by trapped charge carriers in N,N-dimethylaminobenzylidene 1,3-indandione films‘ Thin Solid Films 518 (2010) pp. 3299-3304.

9.   K.Kazlauskas, J.Mikulėnaitė, R.Karpicz, V.Gulbinas, J.Simokaitienė, A.Michalevičiūtė, J.V.Gražulevičius ‚Photostability of phenothiazine class compounds‘ Dyes and Pigments 83 (2009) pp.168-173.

10. N. Tarasiuk, A. Moisejenkova, E. Koviazina, R. Karpicz, N. Astrauskiene ‚On the radiocesium behavior in a small humic lake (Lithuania)‘ Nukleonika 54 (2009) 211-220.

11. R.Karpicz, V.Getautis, K.Kazlauskas, S.Juršėnas, V.Gulbinas „Multicoordinational excited state twisting of indan-1,3-dione derivatives” Chem. Phys. 351 (2008) pp. 147-153.

12. S.Jursenas, N.Kurilcik, R.Karpic, V.Gulbinas, L.Valkunas, M.Rutkis and I.Muzikante ‘Impact of aggregates on excitation dynamics in a transparent polymer films doped by dipolar molecules’ Thin Solid Films. 516 (2008) 8909-8916.

13. O. P. Dmytrenko, N. P. Kulish, N. M. Belyi, S. V. Lizunova, Yu. I. Prylutskyy, L. Valkunas, R. Karpicz, V. V. Shlapatskaya, E. V. Prilutskiy, T. Wade, J.-E. Wegrowe ‚Raman Vibrational Properties of Carbon Nanotubes with the Radiation Defect Formation‘ Mol. Cryst. Liq. Cryst. 497 (2008)  38/[370]–45/[377].

14. R.Karpicz, V.Gulbinas, R.Augulis and R.Rotomskis ‘ Temperature dependent exciton relaxation in nanotubular TPPS₄ J-aggregates in water solution and polymeric matrix’ Chemical Physics 332 (2007) pp. 255–261.

15. V. Gulbinas, R. Karpicz, G. Garab and L. Valkunas “Non-equilibrium heating in LHCII complexes monitored by ultrafast absorbance transients” Biochemistry 45 (2006) pp. 9559-9565.

andrej@ar.fi.lt

(370) 5 2619656

Studied at Faculty of Physics, Vilnius University (1993-1999); PhD dissertation "Optical nonlinearity of semiconductor nanocrystals and its application; Solid state Lasers; Laser kinetic spectroscopy" (2003);

devigy@ar.fi.lt

(370) 5 2619656

Graduated at Faculty of Physics, Vilnius University (2006); PhD degree at the Center for Physical Sciences and Technology, Vilnius (2011).

2012 won the award for the best doctoral thesis in Lithuania 2011  ("Charge carrier transport in conjugated polymer films revealed by ultrafast optical probing").

marius.franckevicius@ftmc.lt

(370) 5 2619656

(370) 60123376

Studied at Vilnius Pedagogical University (2001-2007); PhD degree at Vilnius University (2011)

2011-present, Researcher at the Center for Physical Sciences and Technology, Vilnius

2011 won Lithuanian science academy award for the best research work ("Sužadintos būsenos dinamika PPI ir PAMAM dendrimeruose funkcionalizuotuose fotochrominiais junginiais").

nurija.kelminskiene@gmail.com

(370) 62674419

Studied at Faculty of Physics, Vilnius University (2004-2010).

domantas@ar.fi.lt

(370) 5 2619656

Studied at Faculty of Physics, Vilnius University (2003-2009);

2009-present PhD student

2010-present, Junior researcher at the Center for Physical Sciences and Technology, Vilnius

vytenis.pranculis@ftmc.lt

(370) 61494992

Studies at Faculty of Physics, Vilnius University (2006-present).

2007-2010, Assistant at Laser Research Center, Vilnius University

2010-2012, Engineer at the Center for Physical Sciences and Technology, Vilnius

2012-2013, Coordinator for scientific affairs, Student Scientific Association, Faculty of Physics, Vilnius University

2012-present, Junior researcher at the Center for Physical Sciences and Technology, Vilnius

2011-present, President of Vilnius SPIE student chapter

V. Pranculis, R. Karpicz, A. Medvids, V. Gulbinas, Fluorescence quenching in porous silicon/conjugated polymer composites, Phys. Status Solidi A 209, 565-569 (2012).

vytautas.ab@gmail.com

(370)61815013

Studies at Faculty of Physics, Vilnius University (2007-present).

2011-present, Engineer at Processes Modeling Laboratory, Department of Theoretical Physics, Vilnius University

2012-present, Engineer at Center for Physical Sciences and Technology, Vilnius

2013-present, Junior researcher at Center for Physical Sciences and Technology, Vilnius