Doctor Tad Bak

Doctor Tad Bak

ASSOCIATE PROFESSOR,
Solar Energy Technologies

Personal

Qualifications

  • GradDipIT University of Newcastle (NSW)
  • PhDTechSci Stanislaw Staszic Academy of Mining Metallurgy Pol
  • CertTeach Stanislaw Staszic Academy of Mining Metallurgy Pol
  • MEngMatTech Stanislaw Staszic Academy of Mining Metallurgy Pol

UWS Organisational Unit (School / Division)

  • Solar Energy Technologies

Contact

Email:T.Bak@uws.edu.au
Extension:3808
Mobile:
Location:16.G.30
Campbelltown
Website:

Biography

1992-1995: Research Associate, Institute of Materials Science and Ceramics, University of Science and Technology (AGH), Cracow, Poland 1995-2008: Research Fellow, School of Materials Science and Engineering, University of New South Wales, Sydney, Australia From 2008: Associate Professor, School of Natural Sciences, University of Western Sydney, Australia

This information has been contributed by Doctor Bak.

Publications

Chapters in Books

  • Nowotny, J., Sorrell, C., Bak, T. and Sheppard, L. (2005), 'Defect Disorder, Transport, and Photo-electrochemical Properties of Titanium Dioxide', Materials for Energy Conversion Devices, Woodhead Publishing Ltd 9781855739321.

Journal Articles

  • Idris, M., Bak, T., Li, S. and Nowotny, J. (2012), 'Effect of segregation on surface and near-surface chemistry of yttria-stabilized zirconia', Journal of Physical Chemistry Part C: Nanomaterials, Interfaces and Hard Matter, 9.
  • Bak, T., Nowotny, J., Sucher, N., Sucher, N. and Wachsman, E. (2012), 'Photocatalytic water disinfection on oxide semiconductors. Part 1, Basic concepts of TiO2 photocatalysis', Advances in Applied Ceramics, 12.
  • Atanacio, A., Bak, T. and Nowotny, J. (2012), 'Effect of indium segregation on the surface versus bulk chemistry for indium-doped TiO2', ACS Applied Materials and Interfaces, 9.
  • Bak, T., Bogdanoff, P., Fiechter, S. and Nowotny, J. (2012), 'Defect engineering of titanium dioxide : full defect disorder', Advances in Applied Ceramics, 10.
  • Sucher, N., Sucher, N., Carles, M., Nowotny, J. and Bak, T. (2012), 'Photocatalytic water disinfection on oxide semiconductors. Part 2, Structure, functional properties and reactivity of macrobial agents', Advances in Applied Ceramics, 18.
  • Fiechter, S., Bogdanoff, P., Bak, T. and Nowotny, J. (2012), 'Basic concepts of photoelectrochemical solar energy conversion systems', Advances in Applied Ceramics, 5.
  • Bak, T., Guo, Z., Li, W., Atanacio, A. and Nowotny, J. (2012), 'Chemically-induced electric field : flat band potential engineering', Proceedings of SPIE - International Society for Optical Engineering, .
  • Bak, T. and Nowotny, J. (2011), 'Reactivity of rutile with oxygen and hydrogen and related charge transfer', Journal of Physical Chemistry C, 10.
  • Bak, T. and Nowotny, J. (2011), 'Semiconducting properties of oxidized and reduced polycrystalline TiO 2. Jonker analysis', Journal of Physical Chemistry C, 7.
  • Bak, T., Nowotny, J., Sucher, N. and Wachsman, E. (2011), 'Effect of crystal imperfections on reactivity and photoreactivity of TiO2 (Rutile) with oxygen, water, and bacteria', Journal of Physical Chemistry C, 28.
  • Bak, T., Norby, T., Nowotny, A., Nowotny, M. and Sucher, N. (2010), 'Titanium Dioxide Photocatalyst. Unresolved Problems', Solid State Phenomena, 14.
  • Nowotny, J., Norby, T. and Bak, T. (2010), 'Reactivity between titanium dioxide and water at elevated temperatures', Journal of Physical Chemistry C, 7.
  • Bak, T., Nowotny, J. and Nguyen, Q. (2010), 'Titanium dioxide photocatalysts: Performance-related properties', Diffusion and Defect Data Pt.B: Solid State Phenomena, 7.
  • Bak, T., Nowotny, J. and Stranger, J. (2010), 'Electrical properties of TiO2: Equilibrium vs dynamic electrical conductivity', Ionics, 7.
  • Sheppard, L., Dittrich, T., Nowotny, J. and Bak, T. (2010), 'Surface photovoltage studies of nonstoichiometric rutile titanium dioxide', Applied Physics Letters, .
  • Nowotny, M., Bak, T., Nowotny, J. and Sheppard, L. (2010), 'Semiconducting properties of single crystal TiO2 in the n-p transition region', Journal of the Australian Ceramic Society, 4.
  • Sheppard, L., Atanacio, A., Bak, T., Nowotny, J., Nowotny, M. and Prince, K. (2009), 'Niobium diffusion in niobium-doped titanium dioxide', Journal of Solid State Electrochemistry, 7.
  • Bak, T., Nowotny, J., Nowotny, M. and Sheppard, L. (2009), 'Dynamics of TiO2-based photoelectrochemical cell', Ionics, 9.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2008), 'Effect of cooling on electrical conductivity of Titanium Dioxide', Physica Status Solidi. B, 12.
  • Bak, T., Nowotny, M., Nowotny, J. and Sheppard, L. (2008), 'Effect of Prolonged oxidation on the semiconducting properties of titanium dioxide', Journal of Physical Chemistry (C), 10.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2008), 'Mobility of charge carriers in titanium dioxide', Journal of Physical Chemistry C, 7.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2008), 'Defect Chemistry and electrical conductivity of titanium dioxide. 1. Defect diagrams', Journal of Physical Chemistry C, 12.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2008), 'Defect chemistry and electrical conductivity of TiO2. 2. Effect of aliovalent ions', Journal of Physical Chemistry C, 9.
  • Sheppard, L., Bak, T. and Nowotny, J. (2008), 'Electrical properties of niobium doped Titanium dioxide III. Thermoelectric Power', Journal of Physical Chemistry C, 7.
  • Nowotny, M., Sheppard, L., Bak, T. and Nowotny, J. (2008), 'Defect chemistry of TiO2. Applicationof Defect engineering in processing TiO2 photocatalysts', Journal of Physical Chemistry C, 26.
  • Bak, T., Nowotny, M., Sheppard, L. and Nowotny, J. (2008), 'Charge Transport in Cr-doped titanium dioxide', Journal of Physical Chemistry C, 8.
  • Sheppard, L., Bak, T., Nowotny, J. and Nowotny, M. (2008), 'Effect of Oxygen Activity on Niobium Segregation in Niobium-Doped Titanium Dioxide', Australasian Ceramic Society. Journal, 5.
  • Nowotny, J., Bak, T., Sheppard, L. and Nowotny, M. (2008), 'Reactivity of Titanium Dioxide with Oxygen at Room Temperature and the Related Charge Transfer', American Chemical Society. Journal, 10.
  • Tributsch, H., Bak, T., Nowotny, J. and Sheppard, L. (2008), 'Photoreactivity models for titanium dioxide with water', Energy Materials: Materials Science and Engineering for Energy Systems, 11.
  • Sheppard, L., Atanacio, A., Bak, T., Nowotny, J. and Prince, K. (2007), 'Application of Secondary Ion Mass Spectrometry in Studies of Niobium Segregation in Niobium-Doped Titanium Dioxide', Australasian Ceramic Society. Journal, 6.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2007), 'Defect chemistry of titanium dioxide effect of interfaces', Australasian Ceramic Society. Journal, 7.
  • Nowotny, M., Bak, T. and Nowotny, J. (2007), 'Electrical conductivity of TiO2 within n-p transition Part I -Verification of defect disorder model', Advances in Applied Ceramics, 8.
  • Nowotny, M., Bak, T. and Nowotny, J. (2007), 'Electrical conductivity of TiO2 within n-p transition Part II -Electrical conductivity components', Advances in Applied Ceramics, 6.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2007), 'Titanium dioxide for solar-hydrogen I. Functional properties', International Journal of Hydrogen Energy, 21.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2007), 'Titanium dioxide for solar-hydrogen II. Defect chemistry', International Journal of Hydrogen Energy, 14.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2007), 'Titanium dioxide for solar-hydrogen III: Kinetic effects at elevated temperatures', International Journal of Hydrogen Energy, 7.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2007), 'Titanium dioxide for solar-hydrogen IV. Collective and local factors in photoreactivity', International Journal of Hydrogen Energy, 9.
  • Sheppard, L., Bak, T., Nowotny, J. and Nowotny, M. (2007), 'Titanium dioxide for solar-hydrogen V. Metallic-type conduction of Nb-doped TiO2', International Journal of Hydrogen Energy, 4.
  • Nowotny, J., Bak, T., Burg, T., Nowotny, M. and Sheppard, L. (2007), 'Effect of Grain Boundaries on Semiconducting Properties of TiO2 at Elevated Temperatures', The Journal of Physical Chemistry Part C: Nanomaterials and Interfaces, 10.
  • Nowotny, J., Bak, T., Sheppard, L. and Sorrell, C. (2007), 'Solar-Hydrogen: A Solid-State Chemistry Perspective', Advances in Solar Energy, 47.
  • Sheppard, L., Atanacio, T., Bak, T., Nowotny, J. and Prince, K. (2007), 'Bulk Diffusion of Niobium in Single Crystal TiO2', The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, 5.
  • Sheppard, L., Bak, T. and Nowotny, J. (2007), 'Reactivity of TiO2 with water and oxygen: surface science perspective', Advances in Applied Ceramics, 8.
  • Burg, T., Bak, T., Nowotny, J., Sheppard, L. and Sorrell, C. (2007), 'Effect of sintering on microstructure of TiO2 ceramics', Advances in Applied Ceramics, 6.
  • Sheppard, L., Zhou, M., Atanacio, A., Bak, T., Nowotny, J. and Prince, K. (2007), 'Determination of niobium diffusion in titania and zirconia using secondary ion mass spectrometry', Advances in Applied Ceramics, 6.
  • Grzesik, Z., Bak, T., Nowotny, J. and Henry, B. (2007), 'Chemical diffusion in amphoteric oxide semiconductors', Advances in Applied Ceramics, 5.
  • Nowotny, J., Bak, T. and Burg, T. (2007), 'Electrical properties of polycrystalline TiO2: Equilibration kinetics', Ionics, 8.
  • Nowotny, J., Bak, T. and Burg, T. (2007), 'Electrical properties of polycrystalline TiO2. Prolonged oxidation kinetics', Ionics, 4.
  • Nowotny, J., Bak, T. and Burg, T. (2007), 'Electrical properties of polycrystalline TiO2 at elevated temperatures. Electrical conductivity', Physica Status Solidi (B) Basic Research, 18.
  • Nowotny, J., Bak, T. and Burg, T. (2007), 'Electrical properties of polycrystalline TiO2. Thermoelectric power', Ionics, 8.
  • Bak, T., Burg, T., Nowotny, J. and Blennerhassett, P. (2007), 'Electrical conductivity and thermoelectric power of CaTiO3 at n-p transition', Advances in Applied Ceramics, 4.
  • Nowotny, M., Bak, T. and Nowotny, J. (2006), 'Electrical Properties and Defect Chemistry of TiO2 Single Crystal. IV. Prolonged Oxidation Kinetics and Chemical Diffusion', The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, 7.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2006), 'TiO2 Surface Active Sites for Water Splitting', The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, 4.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2006), 'Defect Disorder of Titanium Dioxide', The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, 8.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2006), 'Chemical diffusion in metal oxides. Example of TiO2', Ionics: international journal of ionics, 17.
  • Bak, T., Nowotny, J., Nowotny, M. and Sheppard, L. (2006), 'Reactivity at the oxygen/titania interface and the related charge transfer', Ionics: international journal of ionics, 5.
  • Nowotny, M., Bak, T. and Nowotny, J. (2006), 'Electrical Properties and Defect Chemistry of TiO2 Single Crystal. I. Electrical Conductivity', The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, 13.
  • Nowotny, M., Bak, T. and Nowotny, J. (2006), 'Electrical Properties and Defect Chemistry of TiO2 Single Crystal. II. Thermoelectric Power', The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, 9.
  • Nowotny, M., Bak, T. and Nowotny, J. (2006), 'Electrical Properties and Defect Chemistry of TiO2 Single Crystal. III. Equilibration Kinetics and Chemical Diffusion', The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, 9.
  • Sheppard, L., Bak, T. and Nowotny, J. (2006), 'Electrical Properties of Niobium-Doped Titanium Dioxide. I. Defect Disorder', The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, 8.
  • Sheppard, L., Bak, T. and Nowotny, J. (2006), 'Electrical Properties of Niobium-Doped Titanium Dioxide. II. Equilibration Kinetics', The Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical, 7.
  • Sheppard, L., Bak, T. and Nowotny, J. (2006), 'Metallic TiO2', Physica Status Solidi. A: Applications and Materials, .
  • Sheppard, L., Barnes, M., Kumar, S., Gerson, A., Ball, C., Bak, T., Nowotny, J. and Sorrell, C. (2006), 'Effect of Nb on the Structure of TiO2 Thin Films', Thin Solid Films, 6.
  • Nowotny, M., Bak, T., Nowotny, J. and Sorrell, C. (2005), 'Titanium Vacancies in Nonstoichiometric TiO2 Single Crystal', Physica Status Solidi. B: Basic Research, .
  • Nowotny, J., Bak, T., Nowotny, M. and Sorrell, C. (2005), 'Equilibration Kinetics of TiO2 Single Crystal at Elevated Temperatures', Physica Status Solidi. B: Basic Research, .
  • Nowotny, J., Bak, T., Nowotny, M. and Sorrell, C. (2005), 'Charge Transfer at the Oxygen/Zirconia Interface at Elevated Temperatures, Part 1: Basic Properties and Terms', Advances in Applied Ceramics, 7.
  • Nowotny, J., Sorrell, C., Sheppard, L. and Bak, T. (2005), 'Solar-hydrogen: Environmentally safe fuel for the future', International Journal of Hydrogen Energy, 24.
  • Nowotny, J., Bak, T., Nowotny, M. and Sorrell, C. (2005), 'Charge transfer at oxygen/zirconia interface at elevated temperatures Part 2: Oxidation of zirconia', Advances in Applied Ceramics, 11.
  • Nowotny, J., Bak, T., Nowotny, M. and Sorrell, C. (2005), 'Charge transfer at oxygen/zirconia interface at elevated temperatures Part 3: Segregation induced interface properties', Advances in Applied Ceramics, 9.
  • Nowotny, J., Bak, T. and Sorrell, C. (2005), 'Charge transfer at oxygen/zirconia interface at elevated temperatures Part 4: Work function v. defect chemistry', Advances in Applied Ceramics, 7.
  • Nowotny, J., Bak, T. and Sorrell, C. (2005), 'Charge transfer at oxygen/zirconia interface at elevated temperatures Part 5: Reactivity models', Advances in Applied Ceramics, 7.
  • Nowotny, J., Bak, T. and Sorrell, C. (2005), 'Charge transfer at oxygen/zirconia interface at elevated temperatures Part 6: Work function measurements', Advances in Applied Ceramics, 7.
  • Nowotny, J., Bak, T. and Sorrell, C. (2005), 'Charge transfer at oxygen/zirconia interface at elevated temperatures Part 7: Effect of surface processing', Advances in Applied Ceramics, 5.
  • Nowotny, J., Bak, T. and Sorrell, C. (2005), 'Charge transfer at oxygen/zirconia interface at elevated temperatures Part 8: Effect of temperature', Advances in Applied Ceramics, 6.
  • Nowotny, M., Bak, T., Nowotny, J., Sorrell, C., Prince, K. and Kang, S. (2005), 'Charge transfer at oxygen/zirconia interface at elevated temperatures Part 9: Room temperature', Advances in Applied Ceramics, 8.
  • Nowotny, J., Bak, T. and Sorrell, C. (2005), 'Charge transfer at oxygen/zirconia interface at elevated temperatures Part 10: Effect of platinum', Advances in Applied Ceramics, 9.
  • Nowotny, J., Bak, T. and Sorrell, C. (2005), 'Charge transfer at oxygen/zirconia interface at elevated temperatures Part 11: Effect of surface doping with calcium', Advances in Applied Ceramics, 6.
  • Nowotny, J., Bak, T. and Sorrell, C. (2005), 'Charge transfer at oxygen/zirconia interface at elevated temperatures Part 12: Summary', Advances in Applied Ceramics, 3.
  • Yamawaki, M., Bak, T., Nowotny, M., Nowotny, J. and Sorrell, C. (2005), 'Application of the high-temperature Kelvin probe for in situ monitoring of the charge transfer at the oxygen/zirconia interface. Oxygen chemisorption isobar', Journal of Physics and Chemistry of Solids, 7.
  • Nowotny, J., Sorrell, C., Bak, T. and Sheppard, L. (2005), 'Solar-hydrogen: Unresolved problems in solid-state science', Solar Energy, 10.
  • Nowotny, J., Sorrell, C. and Bak, T. (2005), 'Segregation in zirconia: Equilibrium versus non-equilibrium segregation', Surface and Interface Analysis, 9.
  • Bak, T., Burg, T., Kang, S., Nowotny, J., Rekas, M., Sheppard, L., Sorrell, C. and + 3 Externals, . (2003), 'Charge Transport in Polycrystalline Titanium Dioxide', Journal of Physics and Chemistry of Solids, 7.
  • Bak, T., Nowotny, J., Rekas, M. and Sorrell, C. (2002), 'Photo-electrochemical hydrogen generation from water using solar energy. Materials-related aspects', International Journal of Hydrogen Energy, 32.
  • Bak, T., Nowotny, J., Rekas, M. and Sorrell, C. (2002), 'Photo-electrochemical properties of the TiO2-Pt system in aqueous solutions', International Journal of Hydrogen Energy, 8.

Conference Papers

  • Nowotny, M., Bak, T. and Nowotny, J. (2006), 'Defect Disorder and Semiconducting Properties of Titanium Dioxide Single Crystal', Proceedings of SPIE, the International Society for Optical Engineering: Solar hydrogen and nanotechnology. Conference, .
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2006), 'Application of Defect Chemistry for Engineering of Photosensitive Oxide Semiconductors', Proceedings of SPIE, the International Society for Optical Engineering: Solar hydrogen and nanotechnology. Conference, .
  • Sheppard, L., Bak, T., Atanacio, T., Nowotny, J. and Prince, K. (2006), 'Effect of Niobium Segregation on the Surface Properties of Titanium Dioxide', Proceedings of SPIE, the International Society for Optical Engineering: Solar hydrogen and nanotechnology. Conference, .

Research

Previous Projects

Title:P-Type Titanium Dioxide for Hydrogen Generation from Water using Solar Energy
Years:2008-08-18 - 2008-12-31
ID:P00016500
UWS Researchers:Tad Bak and Janusz Nowotny
Funding:
  • Australian Research Council (ACRG)

University of Western Sydney

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