Laboratory and research groups:
  Physics and Chemistry of Molecular Materials, Organometallics in Nanophotnics
ichfit.pwr.wroc.pl
Head: prof. Jan Miniewicz
www.organometallics.pwr.wroc.pl
Head: prof. Marek Samoć
People:
  • 3 professors
  • 7 research associates
  • 14 PhD students
 Focus areas:
  • Organometallics in nanophotonics (prof. Marek Samoć)
    Electrical and optical properties of matter in nanoscale. Studies using femtosecond lasers and nonlinear spectroscopy techniques. Multiphoton absorption and fluorescence. Third order nonlinear optical phenomena.
    Representative papers:
    1. Revealing Spectral Features in the Two-Photon Absorption Spectrum of the Hoechst 33342 dye: A Combined Experimental and Quantum-Chemical Study, J. Olesiak-Bańska et al., J. Phys. Chem. B 117, 12013 (2013)
    2. Multi-photon Absorption in Amyloid Protein Fibres, P. Hańczyc et al., Nature Photonics (2013) - accepted
    3. Multiphoton Absorption in Europium (III) doped YVO4 Nanoparticles, D. Wawrzyńczyk et al., J. Mat. Chem. C 1 5837 (2013) - featured on front cover of J. Mat. Chem. C
    4. Self-Reconstructing All Optical Poling in Polymer Fibers, R. Barille et al., Opt. Lett. 38 2945 (2013)
    5. 5. Third-order nonlinear optical response of CuInS2 quantum dots - bright probes for NIR bio-detection, B. Cichy et al., Appl. Phys. Lett. 102 243702 (2013)
       
  • Nonlinear optical phenomena in liquid crystals, polymers and molecular crystals (prof. Andrzej Miniewicz)
    Holographic grating recording in azobenzene polymers, optical Kerr effect in liquid crystals, optical phase conjugation, second harmonic generation, organic nanoparticles.
    Representative papers:
    1. Photochromic and nonlinear optical properties of azo-functionalized POSS nanoparticles disperse in nematic liquid crystals, A. Miniewicz et al., J. Mat. Chem. C (2013) - featured on front cover of J. Mat. Chem. C
    2. Refractive Index and Surface Relief Grating Formation in DNA Based Dye-Doped Films, A. Tane et al., Macromolecular Research 21, 331 (2013)
    3. Photo-induced birefringence in a nematic liquid crystal mixture doped with light-switchable mesogenic azobenzene derivatives, S. Saint-Jalm et al., J. Mol. Liq. 168, 21 (2012)
    4. Optical phase conjugation in azo-dye doped chiral liquid crystal, P. Karpiński et al., Appl. Phys. Lett. 101 161108 (2012)
    5. Single and two-photon induced fluorescence in organic non-linear optical single crystal 3-(1,1-dicyanoethenyl)-1-phenyl-4,5-dihydro-1H-pyrazole (DCNP), A. Miniewicz et al., J. Phys. Chem. A 115, 10689 (2011)
       
  • Photochromic liquid crystals and polymers (prof. Stanisław Bartkiewicz)
    Holography, optical memory, photorefractivity in polymers and liquid crystals. Azo-compounds.
    Representative papers:
    1. Reversible optical memory based on single-component phototropic liquid crystal, A. Sobolewska et al., Appl. Phys. Lett. 103, 083302 (2013)
    2. Mechanism of photochemical phase transition of single-component phototropic liquid crystals studied by means of holographic grating recording, A. Sobolewska et al., J. Phys. Chem. C 117, 10051 (2013)
    3. Surface relief grating in azo-polymer obtained for s-s polarization configuration of writing beams, A. Sobolewska et al., Appl. Phys. Lett. 101, 193301 (2012)
    4. Light-stimulated growth of isotropic domains in neamtic liquid crystals, M. Czajkowski et al., Chem. Phys. Lett. 550, 73 (2012)
    5. Study of semiconductor quantum dots influence on photorefractivity of liquid crystals, A. Anczykowska et al., Appl. Phys. Lett. 101, 102107 (2012)
       
  • Random lasing materials (dr. hab. Jarosław Myśliwiec)
    Luminescence of dyes, amplified spontaneous emission, random lasing systems.
    Representative papers:
    1. Surface roughness induced random lasing in bio-polymeric dye doped film, L. Sznitko et al., Chem. Phys. Lett. 576, 31 (2013)
    2. Influence of surfactant on dynamics of photoinduced motions and light emission of a dye- doped deoxyribonucleic acid, L. Sznitko et al., Optical Materials 35, 2389 (2013)
    3. Amplified spontaneous emission of Rhodamine 6G embedded in pure deoxyribonucleic acid, I. Rau et al., Appl. Phys. Lett. 101, 171113 (2012)
    4. Amplified spontaneous emission of 3-(1,1-dicyanoethenyl)-1-phenyl-4,5-dihydro-1H-pyrazole molecule embedded in various polymer matrices, J. Mysliwiec et al., Optical Materials 34, 1725 (2012)
       
  • Nanocrystals and their fabrication (dr. Marcin Nyk)
    Core-shell nanostructures, lanthanide-doped nanocrystals, semiconductor quantum dots.
    Representative papers:
    1. Ligand-Dependent Luminescence of ultra-small Eu3+-doped NaYF4 nanoparticles, D. Wawrzyńczyk et al., Journal of Nanoparticle Research 15, 1707 (2013)
    2. Hole transport in organic field-effect transistors with active poly3(hexylthiophene) layer containing CdSe quantum dots, U. Bielecka et al., Materials Science - Poland 31, 288 (2013)
    3. Wavelength dependence of nonlinear optical properties of colloidal CdS quantum dots, J. Szeremeta et al., Nanoscale 5, 2388 (2013)
    4. A comparison of morphology, structure and optical properties of ultrasmall, small and core-shell up-converting NaYF4/NaGdF4 nanocrystals co-doped with Tm3+ and Yb3+ ions, D. Wawrzyńczyk et al., J. Luminescence 133, 138 (2013)
    5. Neodymium (III) doped fluoride nanoparticles as a non-contact optical temperature sensor, D. Wawrzyńczyk et al., Nanoscale 4, 6959 (2012)
       
 Main research areas:
  1. Nonlinear optical effects in organic and metalloorganic compounds
  2. Spectroscopy of organic and inorganic hybrid compounds
  3. Transport of charge carriers in hybrid LC systems, polymers and structures (FET)
  4. Dynamic holography and photorefraction
  5. Light-induced molecular reorientations (azo-functionalized systems)
  6. Technology of production of metallic nanoparticles, quantum dots and rare earth doped nanocrystals
  7. Plasmonics
  8. Random lasing in organic systems: polymers, liquid crystals and biopolymers
     
 Equipment:
  • Z-scan technique in femtosecond range
  • AFM microscopy (topography of polymer surfaces)
  • SEM
  • Langmuir-Blodgett technique
  • UV/VIS/IR spectroscopy
  • Polarimetric microscopy (SHG, TPFE)
  • Dynamic holography
  • Polarization microscopy
  • Optical Kerr effect
  • SHG measurement set-up
  • Laser assisted microstructure formation
  • Electrical characterization techniques for FETs
  • Method for electrical circuit printing on organic substrates
  • Equipment for synthesis and functionalization of crystalline nanostructures