Articles in peer-reviewed journals

  1. M. Bourg and M. Urbanski: “Spectroscopic insight into molecular fluctuations and phase stability of nematic composites containing gold nanoparticles or carbon nanotubes“, Phys. Chem. Chem. Phys. 19, 23302-23308 (2017). DOI: 10.1039/C7CP02943H

  2. M. Urbanski and J. Lagerwall: “Why organically functionalized nanoparticles increase the electric conductivity of nematic liquid crystal dispersions“, J. Mater. Chem. C (2017). DOI: 10.1039/C7TC02856C

  3. B. Atorf, T. Funck, T. Hegmann, S. Kempter, T. Liedl, K. Martens, H. Mühlenbernd, T. Zentgraf, B. Zhang, H. Kitzerow and M. Urbanski: “Liquid crystals and precious metal: From nanoparticle dispersions to functional plasmonic nanostructures“, Liquid Crystals (2017). DOI: 10.1080/02678292.2017.1359692 Invited Review

  4. M. Urbanski, C.G. Reyes, A. Sharma, J. Noh, Y. Geng, V.S.R. Jampani and J. Lagerwall: “Liquid Crystals in micron-scale droplets, shells and fibers“, J. Phys.: Condens. Matter 29, 133003 (2017). DOI: 10.1088/1361-648X/aa5706 Invited Review

  5. M. Urbanski and J. Lagerwall: “Nanoparticles dispersed in liquid crystals: Impact on conductivity, low-frequency relaxation and electro-optical performance“, J. Mater. Chem. C 4, 3485-3491 (2016). DOI: 10.1039/C6TC00659K

  6. M. Urbanski, J. P. F. Lagerwall and G. Scalia: “Nanotube networks in liquid crystals“, Proc. SPIE 9769 97690Q (2016). DOI: 10.1117/12.2216401

  7. M. Urbanski, J. Mirzaei, A. Sharma, D. Hofmann, H.-S. Kitzerow and T. Hegmann: “Chemically and thermally stable, emissive carbon dots as viable alternatives to semiconductor quantum dots for emissive nematic liquid crystal - nanoparticle mixtures with lower threshold voltage“, Liquid Crystals, 43, 2, 183-194 (2016). DOI: 10.1080/02678292.2015.1082651.

  8. M. Urbanski: “On the Impact of nanoparticle Doping on the electro-optic Response of nematic Hosts“, Liquid Crystals Today, 24, 4, 102-115, (2015). DOI: 10.1080/1358314X.2015.1059586. Invited Review

  9. M. Urbanski, J. Mirzaei, T. Hegmann and H.-S. Kitzerow: “Nanoparticle doping in nematic liquid crystals: Distinction between surface and bulk effects by numerical simulation”, ChemPhysChem, 15, 7, 1395-1404 (2014). DOI: 10.1002/cphc.201301054

  10. J. Mirzaei, M. Urbanski, H.-S. Kitzerow and T. Hegmann: “Synthesis of liquid crystal silane-functionalized gold nanoparticles and their effects on optical and electro-optical properties of a structurally related nematic liquid crystal”, ChemPhysChem, 15, 7, 1381-1394 (2014). DOI: 10.1002/cphc.201301052

  11. J. Mirzaei, M. Urbanski, H.-S. Kitzerow and T. Hegmann: “Hydrophobic gold nanoparticles via silane conjugation – chemically and thermally robust nanoparticles as dopants for nematic liquid crystals“, Phil. Trans. R. Soc. A, 371, 1988, 20120256 (2013). DOI: 10.1098/rsta.2012.0256

  12. J. Mirzaei, R. Sawatzky, A. Sharma, M. Urbanski, K. Yu, H.-S. Kitzerow and T. Hegmann: “New developments in nanoparticle-liquid crystal composites: from magic-sized semiconductor nanoclusters to alignment pattern formation vie nanoparticle stenciling”, Proc. SPIE, 8279, 827983 (2012). DOI: 10.1117/12.909022

  13. J. Mirzaei, M. Urbanski, K. Yu, H.-S. Kitzerow and T. Hegmann: “Nanocomposites of a nematic liquid crystal doped with magic-sized CdSe quantum dots”, J. Mater. Chem., 21, 12710-12716, (2011). DOI: 10.1039/C1JM11832C

  14. M. Urbanski, K. A. Piegdon, C. Meier and H.-S. Kitzerow: “Investigations on the director field around microdisc resonators“, Liquid Crystals, 38, 4, 475-482. (2011), DOI: 10.1080/02678292.2011.552742

  15. M. Urbanski, B. Kinkead, T. Hegmann and H.-S. Kitzerow: “Director field of birefringent stripes in liquid crystal / nanoparticle dispersions”, Liquid Crystals, 37, 9, 1151-1156. (2010). DOI: 10.1080/02678292.2010.489160

  16. M. Urbanksi, B. Kinkead, H. Qi, T. Hegmann and H.-S. Kitzerow: “Electroconvection in nematic liquid crystals via nanoparticle doping”, Nanoscale, 2, 7, 1118-1121, (2010). DOI: 10.1039/c0nr00139b

  17. K. A. Piegdon, S. Declair, J. Förstner, T. Meier, H. Matthias, M. Urbanski, H.‑S. Kitzerow, D. Reuter, A. D. Wieck, A. Lorke and C. Meier: “Tuning quantum-dot based photonic devices with liquid crystals“, Opt. Express, 18, 8, 7946-7954, (2010). DOI: 10.1364/OE.18.007946

  18. K. A. Piegdon, M. Offer, A. Lorke, M. Urbanski, A. Hoischen, H.-S. Kitzerow, S. Declair, J. Förstner, T. Meier, D. Reuter, A. D. Wieck and C. Meier: “Self-assembled quantum dots in a liquid-crystal-tunable microdisk resonator”, Physica E, 42, 10, 2252-2555, (2010). DOI: 10.1016/j.physe.2009.12.051

  19. B. Kinkead, M. Urbanski, H. Qi, H.-S. Kitzerow and T. Hegmann: “Alignment and electro-optic effects in nanoparticle-doped nematic liquid crystals“, Proc. SPIE, 7775, 77750C-1 – 77750C-11, (2010). DOI: 10.1117/12.858831

Books / book chapters

  1. A. Sharma, M. Urbanski, T. Mori, H.-S. Kitzerow and T. Hegmann: "Metallic and semiconducting nanoparticles in liquid crystals", in Series in Soft Condensed Matter: Volume 7 – Liquid Crystals with Nano and Microparticles, Eds. J. Lagerwall and G. Scalia, World Scientific Publ. (2016). DOI: 10.1142/9789814619264_0014

  2. M. Urbanski: "Nanoparticle doping in nematic liquid crystals", Ph.D. thesis, University of Paderborn, (2013). urn:nbn:de:hbz:466:2–10850

Oral contributions on scientific conferences

  1. M. Bourg and M. Urbanski: "Intriguing new facets of dopant-host interactions in liquid crystalline nanocomposites as seen by dielectric spectroscopy", E-MRS Fall Meeting 2016, Warsaw, Poland (September 19th - 22nd 2016).

  2. M. Bourg and M. Urbanski: "New Insights into Nematic Nanocomposites: Conductivity, Polarization and Dipolar Relaxation", 26th International Liquid Crystal Conference, Kent (Ohio), USA (July 31st - August 5th 2016).

  3. M. Urbanski: "Microscopy on a Computer: Topological Defect Structures in Nematic Shells", 4th IRES Symposium 2016, Luxembourg, Luxembourg (June 21st 2016).

  4. M. Bourg and M. Urbanski: "New insights into nematic nanocomposites by dielectric spectroscopy: Conductivity, polarization and relaxation", 115th Bunsentagung, Rostock, Germany (May 5th – 7th 2016).

  5. M. Urbanski, J. Noh and J. Lagerwall: "Virtual Polarising Microscopy on Nematic Shells", BLCS & DFKG Meeting, Edinburgh, Scotland (March 21st – 23rd 2016).

  6. M. Urbanski and J. Lagerwall: "Probing homogeneity and appropriateness for display applications of liquid crystalline nanocomposites using dielectric spectroscopy", IMID 2015, Daegu, Korea (August 18th – 21st 2015). Invited talk

  7. M. Urbanski and H.-S. Kitzerow: “Studies on the compatibility of spherical nanoparticles in a nematic host and their impact on the electro-optic properties”, 42nd Topical Meeting on Liquid Crystals, Stuttgart, Germany (March 4th – 6th 2015).

  8. M. Urbanski and H.-S. Kitzerow: “The influence of nanoparticles on the electro-optic response of nematic hosts”, 11th Convention of the DFG Graduate Program 1464, Paderborn, Germany (December 8th – 9th 2014).

  9. M. Urbanski, J. Mirzaei, T. Hegmann, and H.-S. Kitzerow: “Nanoparticle doping in nematic liquid crystals”, 25th International Liquid Crystal Conference, Dublin, Ireland (June 29th – July 4th 2014). Invited Glenn H. Brown prize talk

  10. J. Mirzaei, M. Urbanski, H.-S. Kitzerow and T. Hegmann: “Synthesis of Liquid Crystal Silane-functionalized Gold Nanoparticles and their Composites with a Structurally Related Liquid Crystal”, 97th CSC Meeting, Vancouver, Canada (June 1st – 5th 2014).

  11. M. Urbanski, J. Mirzaei, B. Kinkead, T. Hegmann, M. Draper, J. W. Goodby and H.‑S. Kitzerow: “Nanoparticle doping in nematic liquid crystals“, 40th Topical Meeting on Liquid Crystals, Paderborn, (March 20th – 22nd 2013). Awarded with the “Young Scientist Award 2013” by the German Liquid Crystal Society

  12. M. Urbanski and H.-S. Kitzerow: “Prospects of Nanostructures and Nanocomposites with Liquid Crystals“, Young Scientist Forum, BIT´s 2nd Annual World Congress of Nanoscience and Nanotechnology, Qingdao, PR China (October 26th – 28th 2012).

  13. J. Mirzaei, R. Sawatzky, M. Urbanski, A. Sharma, K. Yu, H.-S. Kitzerow and T. Hegmann: “New developments in nanoparticle-liquid crystal composites: from magic-sized semiconductor nanoclusters to alignment pattern formation by nanoparticle stenciling”, SPIE Photonics West - Opto 2012 - Emerging Liquid Crystal Technologies VII, San Francisco, USA (January 21st – 26th 2012).

  14. M. Urbanski, B. Kinkead, T. Hegmann, M. Draper, J. W. Goodby and H.-S. Kitzerow: “Investigations on nematic liquid crystals / gold nanoparticle dispersions“, 5th Convention of the DFG Graduate Program 1464, Paderborn, Germany (July 5th – 6th 2011).

  15. J. Mirzaei, M. Urbanski, M. Badruz-Zaman, K. Yu, H.-S. Kitzerow and T. Hegmann: “Challenges and Opportunities for Nanoparticle-Liquid Crystal Dispersions”, 94rd CSC Meeting, Toronto, Canada (June 5th – 9th 2011).

  16. B. Kinkead, M. Urbanski, J. Mirzaei, H.-S. Kitzerow and T. Hegmann: “Composites of gold nanoparticles, gold nanorods and magic-sized quantum dots in nematic liquid crystals”, 11th European Conference on Liquid Crystals, Maribor, Slovenia (February 6th – 11th 2011).

  17. M. Urbanski and H.-S. Kitzerow: “Microdisk resonators embedded in nematic liquid crystals: Investigations on the director field“, 4th Convention of the DFG Graduate Program 1464, Darmstadt, Germany (November 18th – 19th 2010).

  18. B. Kinkead, M. Urbanski, H. Qi, H.-S. Kitzerow and T. Hegmann: “Alignment and electro-optic effects in nanoparticle-doped nematic Liquid Crystals”, SPIE Optics & Photonics, San Diego, USA (August 1st – 5th 2010).

  19. B. Kinkead, M. Urbanski, H.-S. Kitzerow and T. Hegmann: “Alignment Effects, Defects and Electro-optic Characteristics in Nanoparticle-doped Nematic Liquid Crystals”, 93rd CSC Meeting, Toronto, Canada (May 29th – June 2nd 2010).

Poster contributions on scientific conferences

  1. M. Urbanski, J. Noh and J. Lagerwall: "Virtual Polarising Microscopy on Nematic Shells", 26th International Liquid Crystal Conference, Kent (Ohio), USA (July 31st - August 5th 2016).

  2. J. H. Park, T. K. Truong, M. Urbanski, D. Suk and G. Scalia: "Sheets of Oriented Carbon Nanotubes as Multifunctional Substrates for Liquid Crystals", 26th International Liquid Crystal Conference, Kent (Ohio), USA (July 31st - August 5th 2016).

  3. M. Urbanski, J. Mirzaei, T. Hegmann and H.-S. Kitzerow: “Dispersions of functionalized gold nanoparticles in nematic liquid crystals“,41st Topical Meeting on Liquid Crystals, Magdeburg, Germany (March 25th – 27th 2014).

  4. M. Urbanski and H.-S. Kitzerow: “Dispersing functionalized nanoparticles in nematic liquid crystals“, 8th Convention of the DFG Graduate Program 1464, Paderborn, (November 25th – 26th 2013).

  5. M. Urbanski, M. Draper, J. W. Goodby, J. Mirzaei, T. Hegmann and H.-S. Kitzerow: “Effects of functionalization of gold nanoparticles dispersed in liquid crystals”, 24th International Liquid Crystal Conference, Mainz, Germany (August 19th – 24th 2012).

  6. J. Mirzaei, M. Urbanski, H.-S. Kitzerow and T. Hegmann: “Nanocomposites of N-LCs with Silanized Gold Nanoparticles”, 24th International Liquid Crystal Conference, Mainz, Germany (August 19th – 24th 2012).

  7. M. Urbanski, M. Wahle, A. Lorenz, C. Meier and H.-S. Kitzerow: “Tunable Photonic Structures using Liquid Crystals”, 1st Europhotonic Spring School, Barcelona, Spain (March 25th-31st, 2012).
  8. M. Urbanski, K. A. Piegdon, C. Meier and H.-S. Kitzerow: “Microscopic study of the Fréedericksz transition in a liquid crystal embedding a microdisk resonator”, 39th Topical Meeting on Liquid Crystals, Hamburg, Germany (April 30th – March 1st, 2011).

  9. M. Urbanski, B. Kinkead, T. Hegmann and H.-S. Kitzerow: “Nanoparticle doping leads to electroconvection in nematic liquid crystals”, 23rd International Liquid Crystal Conference, Krakow, Poland (July 11th – 16th 2010).

  10. M. Urbanski, B. Kinkead, T. Hegmann and H.-S. Kitzerow: “Fluorescence confocal polarizing microscopy studies on liquid crystal / nanoparticle dispersions”, 38th Topical Meeting on Liquid Crystals, Mainz, Germany (March 10th – 12th 2010).