Photographer: Siesja Kamphuis

dr. K. (Katerina Dohnalova) Newell


  • Faculty of Science
    Van der Waals-Zeeman Instituut
  • Visiting address
    Science Park 904  Room number: C4.245
  • Postal address:
    Postbus  94485
    1090 GL  Amsterdam
  • k.newell@uva.nl
    T: 0205255793

2017

  • van Dam, B., Nie, H., Ju, B., Marino, E., Paulusse, J. M. J., Schall, P., ... Dohnalová, K. (2017). Excitation-Dependent Photoluminescence from Single-Carbon Dots. Small, 13(48), [1702098]. DOI: 10.1002/smll.201702098  [details] 
  • Bruhn, B., Brenny, B. J. M., Dekker, S., Doğan, I., Schall, P., & Dohnalová, K. (2017). Multi-chromatic silicon nanocrystals. Light: Science & Applications, 6, [e17007]. DOI: 10.1038/lsa.2017.7  [details] 

2016

  • Dohnalová, K., Nestoklon, M., Poddubny, A. N., & Voisin, P. (2016). Tuning optical properties of Ge nanocrystals by Si shell. The Journal of Physical Chemistry. C, 120, 18901-18908.

2014

2013

  • Dohnalova, K., Saeed, S., Poddubny, A. N., Prokofiev, A. A., & Gregorkiewicz, T. (2013). Thermally activated emission from direct bandgap-like silicon quantum dots. ECS J.Solid State Science Technology, 2(6), R97-R99. DOI: 10.1149/2.004306jss  [details] 
  • Dohnalová, K., Poddubny, A. N., Prokofiev, A. A., de Boer, W. D. A. M., Umesh, C. P., Paulusse, J. M. J., ... Gregorkiewicz, T. (2013). Surface brightens-up Si quantum dots: direct bandgap-like size-tunable emission. Light: Science & Applications, 2, e47. DOI: 10.1038/lsa.2013.3  [details] 
  • Doğan, I., Kramer, N. J., Westermann, R. H. J., Dohnalová, K., Smets, A. H. M., Verheijen, M. A., ... Sanden, M. C. M. (2013). Ultrahigh throughput plasma processing of free standing silicon nanocrystals with lognormal size distribution. Journal of Applied Physics, 113(13), 134306. DOI: 10.1063/1.4799402  [details] 
  • Svreck, V., Dohnalova, K., Mariotti, D., Trinh, M. T., Limpens, R., Mitra, S., ... Kond, M. (2013). Dramatic Enhancement of Photoluminescence Quantum Yields for Surface-Engineered Si Nanocrystals within the Solar Spectrum. Advanced Functional Materials, 23(48), 6051-6058. DOI: 10.1002/adfm.201301468  [details] 

2012

  • Dohnalová, K., Fučiková, A., Umesh, C. P., Humpoličková, J., Paulusse, J. M. J., Valenta, J., ... Gregorkiewicz, T. (2012). Microscopic origin of the fast blue-green luminescence of chemically synthesized non-oxidized silicon quantum dots. Small, 8(20), 3185-3191. DOI: 10.1002/smll.201200477  [details] 

2011

  • Ha, N. N., Cueff, S., Dohnalová, K., Trinh, M. T., Rizk, R., Labbé, C., ... Gregorkiewicz, T. (2011). Photon cutting for excitation Er3+ions in SiO2 sensitized by Si qunatum dots. Physical Review B, 84(24). DOI: 10.1103/PhysRevB.84.241308  [details] 
  • Ha, N. N., Dohnalová, K., & Gregorkiewicz, T. (2011). Evaluation of free carrier losses to 1.54 mu m emission in Si/Si: Er nanolayers on SOI substrate for optical gain observation. Optical Materials, 33(7), 1094-1096. DOI: 10.1016/j.optmat.2010.08.025  [details] 
  • Timmerman, D., Valenta, J., Dohnalová, K., de Boer, W. D. A. M., & Gregorkiewicz, T. (2011). Step-like enhancement of luminescence quantum yield of silicon nanocrystals. Nature Nanotechnology, 6, 710-713. DOI: 10.1038/NNANO.2011.167  [details] 
  • Wang, Y., Liu, K., Liu, X., Dohnalová, K., Gregorkiewicz, T., Kong, X., ... Zhang, H. (2011). Critical shell thickness of core/shell upconversion luminescence nanoplatform for FRET application. The Journal of Physical Chemistry Letters, 2(17), 2083-2088. DOI: 10.1021/jz200922f  [details] 
  • Ondic, L., Kůsová, K., Cibulka, O., Pelant, I., Newell, K., Rezek, B., ... Ganesh, N. (2011). Enhanced photoluminescence extraction efficiency from a diamond photonic crystal via leaky modes. New Journal of Physics, 13, 063005.
  • Ondic, L., Newell, K., Ledinsky, M., Kromka, A., Babchenko, O., & Rezek, B. (2011). Effective Extraction of Photoluminescence from a Diamond Layer with a Photonic Crystal. ACS Nano, 5, 346.

2010

  • Ondic, L., Dohnalova, K., Pelant, I., Zidek, K., & de Boer, W. D. A. M. (2010). Data processing correction of the irising effect of a fast-gating intensified charge-coupled device on laser-pulse-excited luminescence spectra. Review of Scientific Instruments, 81(6). DOI: 10.1063/1.3431536 
  • Ha, N. N., Dohnalová, K., Gregorkiewicz, T., & Valenta, J. (2010). Optical gain of the 1.54 μm emission in MBE-grown Si:Er nanolayers. Physical Review B, 81(19), 195206-195206. DOI: 10.1103/PhysRevB.81.195206  [details] 
  • Ha, N. N., Dohnalová, K., Gregorkiewicz, T., & Valenta, J. (2010). Publisher's note: Optical gain of the 1.54 μm emission in MBE-grown Si:Er nanolayers [Phys. Rev. B 81, 195206 (2010)]. Physical Review B, 81(23), 239902(E). DOI: 10.1103/PhysRevB.81.239902 
  • Ha, N. N., Dohnalová, K., Gregorkiewicz, T., & Valenta, J. (2010). Upper limit of optical gain in MBE-grown Si:Er. Physical Review B, B(81), 195206: 1-6-239902:1.
  • Newell, K., Kůsová, K., Cibulka, O., Ondic, L., & Pelant, I. (2010). Time-resolved measurements of optical gain and photoluminescence in silicon nanocrystals. Physica Scripta. T, 141, 014011.
  • Newell, K., Ondic, L., Kůsová, K., Pelant, I., Rehspringer, L., & Mafouana, R. R. (2010). White-emitting oxidized silicon nanocrystals: Discontinuity in spectral development with reducing size. Journal of Applied Physics, 107(5), 0531402.
  • de Boer, W. D. A. M., Timmerman, D., Dohnalová, K., Yassievich, I. N., Zhang, H., Buma, W. J., & Gregorkiewicz, T. (2010). Red spectral shift and enhanced quantum efficiency in phonon-free photoluminescence from silicon nanocrystals. Nature Nanotechnology, 5(12), 878-884. DOI: 10.1038/nnano.2010.236  [details] 
  • Kůsová, K., Cibulka, O., Newell, K., Pelant, I., Valenta, J., Fučiková, A., ... Bakardjieva, S. (2010). Brightly luminescent organically capped silicon nanocrystals fabricated at room temperature and atmospheric pressure. ACS Nano, 4(8), 4495.
  • Zidek, K., Trojanek, F., Maly, P., Ondic, L., Pelant, I., Newell, K., ... Horrocks, B. R. (2010). Femtosecond luminescence spectroscopy of core states in silicon nanocrystals. Optics Express, 18(24).

2009

  • Newell, K., Kůsová, K., & Pelant, I. (2009). Time-resolved photoluminescence spectroscopy of the initial oxidation stage of small silicon nanocrystals. Applied Physics Letters, 94, 211903.
  • Newell, K., Zidek, K., Ondic, L., Kůsová, K., Cibulka, O., & Pelant, I. (2009). Optical gain at the F-band of oxidized silicon nanocrystals. Journal of physics. D, Applied physics, 42, 135102.
  • Frank, O., Kavan, L., Kůsová, K., Newell, K., Solovieva, N., Cibulka, O., & Pelant, I. (2009). Photoluminescence of nanoporous silicon grains in TiO2 matrices. Phys Status Solidi C, 6(7), 1713.
  • Kůsová, K., Cibulka, O., Newell, K., Pelant, I., Fučiková, A., & Valenta, J. (2009). Yellow-emitting colloidal suspensions of silicon nanocrystals: Fabrication technology, luminescence performance and application prospects. Physica E : Low-dimensial Systems & Nanostructures, 41, 982-985.

2008

  • Newell, K., Pelant, I., Kůsová, K., Gilliot, P., Galart, M., Cregut, O., ... Bakardjieva, S. (2008). Closely packed luminescent silicon nanocrystals in a distributed-feedback laser cavity. New Journal of Physics, 10, 063014.
  • Valenta, J., Fučiková, A., Pelant, I., Kůsová, K., Newell, K., Aleknavicius, A., ... Kada, G. (2008). On the origin of the fast photoluminescence band in small silicon nanoparticles. New Journal of Physics, 10, 073022.
  • Valenta, J., Fučiková, A., Vacha, F., Adamec, F., Humpoličková, J., Hof, M., ... Linnros, J. (2008). Light-Emission Performance of Silicon Nanocrystals Deduced from Single Quantum Dot Spectroscopy. Advanced Functional Materials, 18, 2666.

2006

  • Newell, K., Kůsová, K., Pelant, I., Valenta, J., Gilliot, P., Gallart, M., ... Honerlage, B. (2006). Emission properties of a distributed feedback laser cavity containing silicon nanocrystals. Journal of Luminescence, 121, 259.
  • Newell, K., Pelant, I., Gilliot, P., Cregut, O., & Honerlage, B. (2006). Si nanocrystals in a distributed feedback laser cavity. Applied Physics Letters, 88, 251105.
  • Luterova, K., Newell, K., Trojanek, F., Neudert, K., Gilliot, P., Honerlage, B., ... Pelant, I. (2006). Porous silicon grains in SiO2 matrix: Ultrafast photoluminescence and optical gain. JOURNAL OF NON-CRYSTALLINE SOLIDS, 352, 3041.
  • Trojanek, F., Neudert, K., Maly, P., Newell, K., & Pelant, I. (2006). Ultrafast photoluminescence in silicon nanocrystals studied by femtosecond up-conversion technique. Journal of Applied Physics, 99, 116108.
  • Trojanek, F., Neudert, K., Zidek, K., Newell, K., Pelant, I., & Maly, P. (2006). Femtosecond photoluminescence spectroscopy of silicon nanocrystals. Physica Status Solidi c, 3, 3873.

2005

  • Luterova, K., Cazzanelli, M., Likforman, J. P., Navarro, D., Valenta, J., Ostatnicky, T., ... Pelant, I. (2005). Optical gain in nanocrystalline silicon: comparison of planar waveguide geometry with a non-waveguiding ensemble of nanocrystals. Optical Materials, 27, 750.
  • Valenta, J., Janda, P., Newell, K., Niznansky, D., Vacha, F., & Linnros, J. (2005). Colloidal suspensions of silicon nanocrystals: from single nanocrystals to photonic structures. Optical Materials, 27, 1046-1049.

2004

  • Newell, K., Luterova, K., Valenta, J., Bursik, J., Prochazka, M., Kresalek, V., ... Pelant, I. (2004). Grains of Porous Silicon Embedded in SiO 2 :Studies of Optical Gain and Electroluminescence. Solid State Phenomena, 99-100, 31.
  • Kocka, J., Fejfar, A., Mates, T., Fojtik, P., Newell, K., Luterova, K., ... Ito, M. (2004). The physics and technological aspects of the transition from amorphous to microcrystalline and polycrystalline silicon. Physica Status Solidi c, 1(5), 1097.
  • Luterova, K., Newell, K., Svrcek, V., Pelant, I., Likforman, J. P., Cregut, O., ... Honerlage, B. (2004). Optical gain in porous silicon grains embedded in sol-gel derived SiO2 matrix under femtosecond excitation. Applied Physics Letters, 84, 3280.

2003

  • Valenta, J., Luterova, K., Tomasiunas, R., Newell, K., Honerlage, B., & Pelant, I. (2003). Optical gain measurements with variable Stripe Length Technique. In NATO Science Series: Towards the first silicon laser (Vol. 93, pp. 223-242). NATO.

2002

  • Fojtik, P., Newell, K., Mates, T., Stuchlik, J., Gregora, I., Chval, J., ... Pelant, I. (2002). Rapid crystallization of amorphous silicon at room temperature. Philosophical Magazine B, 82, 1785.

2001

  • Newell, K., Fojtik, P., Mates, T., Stuchlik, J., Gregora, I., Kocka, J., & Pelant, I. (2001). Nova levna metoda Niklem Indukovane Krystalizace a-Si:H za pokojove teploty. In Sborník konference Juniormat´01 (pp. 154)

2017

  • Newell, K., Bruhn, B., & Brenny, B. (2017). IPC No. N2017437. White Emiting Silicon Quantum Dots (Patent No. L23839-Vi/td.)
  • Kůsová, K., & Dohnalová, K. (2017). Organically capped silicon nanocrystals. In K. D. Sattler (Ed.), Silicon Nanomaterials Sourcebook. - Volume 1: Low-Dimensional Structures, Quantum Dots, and Nanowires (pp. 367-398). (Series in materials science and engineering). Boca Raton, FL: CRC Press. [details] 

2009

  • Newell, K., Kůsová, K., & Pelant, I. (2009). Time-resolved photoluminescence spectroscopy of the initial oxidation stage of small silicon nanocrystals. Virtual Journal of Nanoscale Science & Technology, 19(23).

2008

  • Newell, K., Pelant, I., Kůsová, K., Gilliot, P., Galart, M., Cregut, O., ... Bakardjieva, S. (2008). Closely packed luminescent silicon nanocrystals in a distributed-feedback laser cavity. Virtual Journal of Nanoscale Science & Technology, 18(16).

2006

  • Newell, K., Pelant, I., Gilliot, P., Cregut, O., & Honerlage, B. (2006). Si nanocrystals in a distributed feedback laser cavity. Virtual Journal of Nanoscale Science & Technology, 14(1).

2016

  • Dohnalová, K., Bruhn, B., & Brenny, B. J. M. (2016). White emitting silicon nanocrystals – engineering emission by e-beam irradiation (Patent No. N2017437.)
  • Dohnalová, K., Bruhn, B., Brenny, B. J. M., Dekker, S., & Schall, P. (2016). White emitting silicon nanocrystals – blue, green and red color centers. Poster session presented at E-MRS Spring 2016, .
  • van Dam, B., Dohnalová, K., Marino, E., & Nie, H. (2016). Single quantum dot study of full-color carbon quantum dots. Poster session presented at Veldhoven 2016, .

2009

  • Dohnalová, K., Kůsová, K., Zidek, K., Fučiková, A., Cibulka, O., & Pelant, I. (2009). Method for the preparation of optically clear solution of silicon nanocrystals with short-wavelength luminescence (Patent No. EP 2279231 A1 .)

Award

  • Dohnalová, Katerina (2013): Minerva prize.
  • Dohnalová, Katerina (2012): Amsterdam Innovation and Science Award 2012.
  • Dohnalová, Katerina (2012): Young Scientist Award.
  • Dohnalová, Katerina (2011): Young Scientist Award.
  • Dohnalová, Katerina (2006): Young scientist award.
  • Dohnalová, Katerina (2003): Doctorat en Cotutelle.
  • Dohnalová, Katerina (2001): Young PhD Material Scientist.

Talk / presentation

  • Dohnalová, Katerina (invited speaker) (2016): Active role of surface in optical properties of nanoparticles, Academy of science of the Czech Republuc.
  • Dohnalová, Katerina (invited speaker) (2016): Optical properties of non-toxic quantum dots, E-MRS Fall 2016.
  • Dohnalová, Katerina (invited speaker) (2016): Towards enhanced absorption and emission with silicon, Quantsol 2016.
  • Dohnalová, Katerina (invited speaker) (2016): Surface engineering of indirect bandgap semiconductor nanoparticles for enhanced optical properties, AMOLF.
  • van Dam, B. (speaker), Dohnalová, Katerina (speaker), Osorio, C.I. (speaker), Muller, R. (speaker) & Koenderink, A.F. (speaker) (2016): Internal quantum efficiency of carbon passivated silicon quantum dots, E-MRS Spring 2016.
  • van Dam, B. (speaker), Dohnalová, Katerina (speaker), Nie, H. (speaker), Bo, J. (speaker), Zhihe, L. (speaker), Marino, E. (speaker), … Schall, P. (speaker) (2016): Multi-color emission from single carbon dots, E-MRS Spring 2016.

Others

  • Dohnalová, Katerina (participant) (2016): E-MRS Spring 2016 (organising a conference, workshop, ...).
  • Dohnalová, Katerina (participant) (2016): CMD 26 (organising a conference, workshop, ...).

2018

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