Krisztian Kordas



Kordás, Krisztián


Microelectronics Research Unit
University of Oulu
P.O. Box 4500, FIN-90014 University of Oulu, Finland


M.Sc. in Physics. & Chemistry (teacher diploma), 1998, University of Szeged
D.Sc. in Microelectronics, 2002, University of Oulu
Docent in Nanotechnology, 2005, University of Oulu
Professor in Micro- and nanoelectronic materials and components for ICT applications, 2016, University of Oulu

Researcher identifier:

Researcher ID: E-7654-2015 
Google Scholar: 
Research Gate: 

Graduate teaching

Introduction to Nanotechnology (521079S, 24 hours)
Microelectronics and Micromechanics (521224S, 30+30 hours)

Research team

Docent, Dr. Géza Tóth, materials science, modeling, printed intelligence
Dr. Gabriela Lorite, surface physics
Dr. Melinda Mohl, nanomaterials and chemistry
Dr. Zita Csendes, nanomaterials and sensors
M.Sc. Olli Pitkänen, materials synthesis, wafer fab, electrical measurements
M.Sc. Hajimammadov, optical materials
M.Sc. Georgies Alene, nanocomposites 
M.Sc. Topias Järvinen, electronics and IoT
B.Sc. Aron Dombovari, materials synthesis, inkjet printing, electrical measurements


Dr. Anne-Riikka Rautio 
Dr. Jhih-Fong Lin
Dr. Niina Halonen 
Dr. Jani Mäklin
Dr. Jarmo Kukkola
Dr. Tero Mustonen
M.Sc. Chibuzor Eneh
B.Sc. Tommi Manninen

Research interest and selected recent papers

Materials science, components engineering and integration technologies for ICT, sensors and environmental engineering with particular focus on:

Novel electrode materials and integrated structures

  • Mohl, M; Dombovari, A; Vajtai, R; Ajayan, PM; Kordas, K; Self-assembled large scale metal alloy grid patterns as flexible transparent conductive layers, Scientific Reports, 5 (2015) 13710. doi:10.1038/srep13710 
  • Sainio, S; Palomaki, T; Tujunen, N; Protopopova, V; Koehne, J; Kordas, K; Koskinen, J; Meyyappan, M; Laurila, T; Integrated Carbon Nanostructures for Detection of Neurotransmitters, Molecular Neurobiology 52 (2015) 859-866. DOI: 10.1007/s12035-015-9233-z
  • Lin, JF; Pitkanen, O ; Maklin, J; Puskas, R; Kukovecz, A; Dombovari, A; Toth, G; Kordas, K Synthesis of tungsten carbide and tungsten disulfide on vertically aligned multi-walled carbon nanotube forests and their application as non-Pt electrocatalysts for the hydrogen evolution reaction, J. Mater. Chem. A, 3 (2015) 14609-14616. DOI: 10.1039/C5TA02908B
  • Rautio, AR; Pitkanen, O; Jarvinen, T; Samikannu, A; Halonen, N; Mohl, M; Mikkola, JP; Kordas, K; Electric Double-Layer Capacitors Based on Multiwalled Carbon Nanotubes: Can Nanostructuring of the Nanotubes Enhance Performance? Journal of Physical Chemistry C 119 (2015) 3538-3544. DOI: 10.1021/jp512481b
  • Sridhar, S; Tiwary, C; Vinod, S; Taha-Tijerina, J.J; Sridhar, S; Kalaga, K; Sirota, B; Hart, A.H.C; Ozden, S; Sinha, R.K.; Harsh, Vajtai, R. Choi, W.; Kordás, K.; Ajayan, P.M. Field Emission with Ultralow Turn On Voltage from Metal Decorated Carbon Nanotubes, ACS Nano, 8 (2014) 7763–7770. DOI: 10.1021/nn500921s
  • Sridhar, S; Ge, L; Tiwary, CS; Hart, AC; Ozden, S; Kalaga, K; Lei, S; Sridhar, SV; Sinha, RK; Harsh, H; Kordas, K; Ajayan, PM; Vajtai, R., Enhanced Field Emission Properties from CNT Arrays Synthesized on Inconel Superalloy, ACS Appl. Mater. Interf. 6 (2014) 1986-1991. DOI: 10.1021/am405026y
  • Halonen, N; Maklin J; Rautio A-R; Kukkola J; Uusimaki A; Toth G; Reddy LM; Vajti R; Ajayan PM; Kordas K; Thin micropatterned multi-walled carbon nanotube films for electrodes, Chem. Phys. Lett. 583 (2013) 87. DOI: 10.1016/j.cplett.2013.07.047

Advanced materials in engineering

  • G. Alene, A. Dombovari, T. Sipola, R. Puskás, A. Kukovecz, Z. Kónya, A. Popov, J.-F. Lin, G.S. Lorite, M. Mohl, G. Toth, A. Lloyd-Spetz, K. Kordas, A novel WS2 nanowire-nanoflake hybrid material synthesized from WO3 nanowires in sulfur vapor, Scientific Reports 6 (2016) 25610. doi:10.1038/srep25610
  • Fu, Q; Lorite, G.S.; Md. Masud-Ur Rashid; Neuhaus, R; Cada, M; Hubicka, Z; Pitkänen, O, Selkälä, T; Uusitalo, J; Glanz, C; Kolaric, I; Kordas, K; Nicolescu, C-M; Geza Toth, G, High dynamic stiffness mechanical structures with nanostructured composite coatings deposited by high power impulse magnetron sputtering Carbon 98 (2016) 24-33. doi: 10.1016/j.carbon.2015.10.074
  • Lin, JF; Kukkola, J; Sipola, T; Raut, D; Samikannu, A; Mikkola, JP; Mohl, M; Toth, G; Su, WF; Laurila, T; Kordas, K; Trifluoroacetylazobenzene for optical and electrochemical detection of amines, Journal of Materials Chemistry A, 3 (2015) 4687-4694. DOI: 10.1039/C4TA05358C
  • Lin, JF; Mohl, M; Nelo, M; Toth, G; Kukovecz, A; Konya, Z; Sridhar, S; Vajtai, R; Ajayan, PM; Su, WF; Jantunen, H; Kordas, K; Facile synthesis of nanostructured carbon materials over Raney® nickel catalyst films printed on Al2O3 and SiO2 substrates, Journal of Materials Chemistry C 3 (2015) 1823-1829. DOI: 10.1039/C4TC02442G
  • Pham, TN; Samikannu, A; Kukkola, J; Rautio, AR; Pitkanen, O; Dombovari, A; Lorite, GS; Sipola, T; Toth, G; Mohl, M; Mikkola, JP; Kordas, K; Industrially benign super-compressible piezoresistive carbon foams with predefined wetting properties: from environmental to electrical applications, Scientific Reports 4 (2014) 6933. doi: 10.1038/srep06933

Chemical sensors 

  • Sainio, S; Palomaki, T; Rhode, S; Kauppila, M; Pitkanen, O; Selkala, T; Toth, G; Moram, M; Kordas, K; Koskinen, J; Laurila, T; Carbon nanotube (CNT) forest grown on diamond-like carbon (DLC) thin films significantly improves electrochemical sensitivity and selectivity towards dopamine, Sensors and Actuators B 211 (2015) 177-186. doi: 10.1016/j.snb.2015.01.059
  • Kukkola, J; Mohl, M; Leino, A-R; Mäklin J; Halonen, N; Shchukarev, A; Konya, Z; Jantunen, H; Kordas, K; Room temperature hydrogen sensors based on metal decorated WO3 nanowires, Sens. Actuat. B 186 (2013) 90. doi: 10.1016/j.snb.2013.05.082
  • Kukkola, J; Mohl, M; Leino, A.-R: Tóth, G; Wu, M.-C; Shchukarev, A; Popov, A; Mikkola, J.-P; Lauri, J; Riihimäki, M; Lappalainen, J; Jantunen, H; Kordás, K; Inkjet-printed gas sensors: metal decorated WO3 nanoparticles and their gas sensing properties, J. Mater. Chem. 22 (2012) 17878. DOI: 10.1039/C2JM32499G

Nanomaterials for environmental and chemical process engineering

  • Sarkar, A; Gracia-Espino, E; Wågberg, T; Shchukarev, A; Mohl, M; Leino, A.-R. Pitkänen, O; Sharifi, T; Kordas, K; Mikkola, J-P, Photocatalytic Reduction of CO2 with H2O over Modified TiO2 Nanofibers: Understanding the Reduction Pathway, Nano Research 9 (2016) 1956. doi:10.1007/s12274-016-1087-9
  • Kordas, K; Mohl, M; Kónya, Z; Kukovecz, A; Layered titanate nanostructures: perspectives for industrial exploitation, Translational Materials Research 2 (2015) 015003. doi: 10.1088/2053-1613/2/1/015003
  • Raut, DG; Sundman, O; Su, WQ ; Virtanen, P; Sugano, Y; Kordas, K; Mikkola, JP; A morpholinium ionic liquid for cellulose dissolution, Carbohydrate Polymers, 130 (2015) 18-25. doi: 10.1016/j.carbpol.2015.04.032
  • Mohl, M; Dombovari, A; Tuchina, ES; Petrov, PO; Bibikova, OA; Skovorodkin, I; Popov, AP; Rautio, AR; Sarkar, A; Mikkola, JP; Huuhtanen, M; Vainio, S; Keiski, RL; Prilepsky, A; Kukovecz, ; Konya, Z; Tuchin, VV; Kordas, K, Titania nanofibers in gypsum composites: an antibacterial and cytotoxicology study, J. Mater. Chem. B 2 (2014) 1307-1316. DOI: 10.1039/C3TB21644F
  • Wu, MC; Liao, HC; Cho, YC; Toth, G; Chen, YF; Su, WF; Kordas, K; Photo-Kelvin probe force microscopy for photocatalytic performance characterization of single filament of TiO2 nanofiber photocatalysts, J. Mater. Chem. A 1 (2013) 5715. DOI: 10.1039/c3ta01011b
  • Wu, M.-C; Hiltunen, J; Sapi, A; Avila, A; Larsson, W; Liao, H.C; Huuhtanen, M; Tóth, G; Shchukarev, A; Laufer, N; Kukovecz, A; Kónya, Z; Mikkola, J.-P; Keiski, R; Su, W.-F ; Jantunen, H; Kordás, K; Nitrogen-doped TiO2 Anatase Nanofibers Decorated with Noble Metal Nanoparticles for High-efficiency Photocatalytic Hydrogen Generation, ACS Nano 5 (2011) 5025. DOI: 10.1021/nn201111j
  • Wu, M.-C; Sapi, A; Avila, Szabó, M; Hiltunen, J; Huuhtanen, M; Tóth, G;; Kukovecz, A; Kónya, Z; Keiski, R; Su, W.-F ; Jantunen, H; Kordás, K; Enhanced photocatalytic activity of TiO2 nanofibers and their flexible composite films: Decomposition of organic dyes and efficient H2 generation from ethanol-water mixtures, Nano Research 4 (2011) 360. DOI: 10.1007/s12274-010-0090-9

Research Interest



P.M. Ajayan and R. Vajtai, Rice University, Houston, USA
S. Talapatra, Southern Illinois University, Carbondale, USA
J.-P. Mikkola and A. Shchukarev, Umeå University, Sweden 
W.F. Su, National Taiwan University, Taipei, Taiwan
R.L. Keiski, M. Huuhtanen, H. Jantunen, J. Juuti, A. Bykov and A. Popov, Univ. Oulu, Finland
Z. Konya, A. Kukovecz and L. Nanai, University of Szeged
M.-C. Wu, Chang Gung University, Gueishan, Taoyuan, Taiwan
D.Y. Murzin and P. Mäki-Arvela, Åbo Akademi, Finland
V. Tuchin, Saratov State University, Russia

Recent projects

  • Surface plasmons at work: Visible and infrared light enhanced catalysis and gas sensing - Academy of Finland
  • Hybrid nanocarbon materials for biosensors - Academy of Finland
  • More-than-Moore research community - University of Oulu
  • Optimal production of bioethanol from macroalgae via photo-chemo-enzymatic processing (2013-2015) - Academy of Finland
  • Implementation of highly efficient TiO2 based photocatalytic nanomaterials (2011-2014) - Finnish Funding Agency for Technology and Innovation
  • Autonomous R2R systems (2011-2014) - Finnish Funding Agency for Technology and Innovation
  • Thermal management with carbon nanotube architectures (2010-2012) - European Union FP7
  • Nanotechnology Platform for Electronics and Photonics (2010-2013) - European Union FP7
  • Novel catalyst materials based on robust CNT membranes (2009-2012) - Academy of Finland
  • Invisible electric tagging with nanomaterials (2008-2010) - Finnish Funding Agency for Technology and Innovation


Last updated: 5.10.2016