Associate Professor Tad Bak

Associate Professor Tad Bak

Associate Professor,
Computing & ICT

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 Associate Professor Bak.

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

Organisational Unit (School / Division)

  • Computing & ICT

Contact

Email: T.Bak@westernsydney.edu.au
Phone: (02) 4620 3808
Mobile:
Location: 16.G.30
Campbelltown

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Publications

Chapters in Books

  • Black, D., Bak, T., Dodson, J., Hasan, M., Moffitt, M., Rahman, K. and Nowotny, J. (2018), 'Environmentally clean energy', Reference Module in Earth Systems and Environmental Sciences, Elsevier 9780124095489.
  • Atanacio, A., Bak, T., Rahman, K. and Nowotny, J. (2018), 'Defect engineering of photosensitive oxide materials. Example of TiO2 solid solutions', Materials for Sustainable Energy, Academic Press 9780128150771.
  • Alim, M. and Bak, T. (2016), 'Basic concepts of solar-to-chemical energy conversion by oxide semiconductors', Oxide Semiconductors for Solar-to-Chemical Energy Conversion, Trans Tech 9783038357070.
  • Atanacio, A., Bak, T., Chu, D., Ionescu, M. and Nowotny, J. (2014), 'Segregation-induced low-dimensional surface structures in oxide semiconductors', Handbook of Nanomaterials Properties, Springer 9783642311062.
  • Nowotny, J., Bak, T. and Li, W. (2014), 'Solar photoelectrochemical production of hydrogen', Handbook of Hydrogen Energy, CRC Press 9781420054477.
  • 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

  • Nowotny, J. and Bak, T. (2020), 'Electron probe for surface science and surface defect engineering of oxide semiconductors for energy conversion', Journal of Physical Chemistry C, vol 124, no 38 , pp 20617 - 20642.
  • Rahman, K., Sharma, N., Atanacio, A., Bak, T., Wachsman, E., Moffitt, M. and Nowotny, J. (2019), 'Chromium segregation in Cr-doped TiO2 (rutile) : impact of oxygen activity', Ionics, vol 25, no 7 , pp 3363 - 3372.
  • Bak, T., Wachsman, E., Prince, K., Rahman, K. and Nowotny, J. (2019), 'In-situ surface monitoring of charge transfer during oxidation of zirconia at elevated temperatures', ACS Applied Energy Materials, vol 2, no 4 , pp 2810 - 2817.
  • Nowotny, J., Dodson, J., Fiechter, S., Gur, T., Kennedy, B., Macyk, W., Bak, T., Sigmund, W., Yamawaki, M. and Rahman, K. (2018), 'Towards global sustainability : education on environmentally clean energy technologies', Renewable and Sustainable Energy Reviews, vol 81, no Part 2 , pp 2541 - 2551.
  • Rahman, K., Bak, T., Atanacio, A., Ionescu, M., Liu, R. and Nowotny, J. (2018), 'Towards sustainable energy : photocatalysis of Cr-doped TiO2. 5. : effect of segregation on surface versus bulk composition', Ionics, vol 24, no 4 , pp 1211 - 1219.
  • Rahman, K., Bak, T., Atanacio, A., Ionescu, M. and Nowotny, J. (2018), 'Toward sustainable energy : photocatalysis of Cr-doped TiO2: 2. effect of defect disorder', Ionics, vol 24, no 2 , pp 327 - 341.
  • Rahman, K., Bak, T., Atanacio, A., Ionescu, M. and Nowotny, J. (2018), 'Toward sustainable energy : photocatalysis of Cr-doped TiO2: 1. electronic structure', Ionics, vol 24, no 2 , pp 309 - 325.
  • Rahman, K., Atanacio, A., Ionescu, M., Davis, J., Bak, T. and Nowotny, J. (2018), 'Towards sustainable energy : photocatalysis of Cr-doped TiO2. 4. : electrochemical coupling', Ionics, vol 24, no 3 , pp 873 - 881.
  • Rahman, K., Bak, T., Atanacio, A., Ionescu, M. and Nowotny, J. (2018), 'Towards sustainable energy : photocatalysis of Cr-doped TiO2: 3 : effect of oxygen activity', Ionics, vol 24, no 3 , pp 861 - 872.
  • Bak, T., Gur, T., Sharma, V., Dodson, J., Rahman, K. and Nowotny, J. (2018), 'Evidence of low-dimensional surface structures for oxide materials : impact on energy conversion', ACS Applied Energy Materials, vol 1, no 11 , pp 6469 - 6476.
  • Alim, M., Atanacio, A., Bak, T., Ionescu, M. and Nowotny, J. (2017), 'Segregation in titanium dioxide co-doped with indium and niobium', Journal of the American Ceramic Society, vol 100, no 1 , pp 419 - 428.
  • Alim, M., Bak, T., Atanacio, A., Ionescu, M., Kennedy, B., Price, W., Du Plessis, J., Pourmahdavi, M., Zhou, M., Torres, A. and Nowotny, J. (2017), 'Photocatalytic properties of Ta-doped TiO2', Ionics, vol 23, no 12 , pp 3517 - 3531.
  • Alim, M., Bak, T., Atanacio, A., Du Plessis, J., Zhou, M., Davis, J. and Nowotny, J. (2017), 'Electrical conductivity and defect disorder of tantalum-doped TiO2', Journal of the American Ceramic Society, vol 100, no 9 , pp 4088 - 4100.
  • Li, W., Bak, T., Atanacio, A. and Nowotny, J. (2016), 'Photocatalytic properties of TiO2 : effect of niobium and oxygen activity on partial water oxidation', Applied Catalysis B: Environmental, vol 198 , pp 243 - 253.
  • Nowotny, J., Hoshino, T., Dodson, J., Atanacio, A., Ionescu, M., Peterson, V., Prince, K., Bak, T., Sigmund, W., Veziroglu, T. and Alim, M. (2016), 'Towards sustainable energy : generation of hydrogen fuel using nuclear energy', International Journal of Hydrogen Energy, vol 41, no 30 , pp 12812 - 12825.
  • Nowotny, J., Bak, T., Dickey, E., Sigmund, W. and Alim, M. (2016), 'Electrical conductivity, thermoelectric power and equilibration kinetics of Nb-doped TiO2', Journal of Physical Chemistry A, vol 120, no 34 , pp 6822 - 6837.
  • Jayamaha, U., Atanacio, A., Bak, T., Nowotny, J. and Liu, R. (2015), 'Effect of oxygen activity on chromium segregation in Cr-doped TiO2 single crystal', Ionics, .
  • Nowotny, J., Li, W. and Bak, T. (2015), 'Effect of oxygen activity on semiconducting properties of TiO2 (rutile)', Ionics, .
  • Nowotny, J., Bak, T. and Alim, M. (2015), 'Dual mechanism of indium incorporation into TiO2 (rutile)', Journal of Physical Chemistry C, .
  • Nowotny, J., Alim, M., Bak, T., Atanacio, A. and Malik, A. (2015), 'Electrical properties and defect chemistry of indium-doped TiO2 : thermoelectric power', Ionics, vol 21, no 7 , pp 2019 - 2029.
  • Nowotny, J., Bak, T. and Alim, M. (2015), 'Semiconducting properties and defect disorder of titanium dioxide', ECS Transactions, vol 64, no 46 , pp 11 - 28.
  • Nowotny, J., Bak, T., Ionescu, M. and Alim, M. (2015), 'Electrical properties and defect chemistry of In-doped TiO2 in terms of Jonker formalism', Journal of Physical Chemistry A, vol 119, no 17 , pp 4032 - 4040.
  • Bak, T., Li, W., Nowotny, J., Atanacio, A. and Davis, J. (2015), 'Photocatalytic properties of TiO2 : evidence of the key role of surface active sites in water oxidation', Journal of Physical Chemistry A, vol 119, no 36 , pp 9465 - 9473.
  • Nowotny, J., Alim, M., Bak, T., Idris, M., Ionescu, M., Prince, K., Sahdan, M., Sopian, K., Teridi, M. and Sigmund, W. (2015), 'Defect chemistry and defect engineering of TiO2-based semiconductors for solar energy conversion', Chemical Society Reviews, vol 44, no 23 , pp 8424 - 8442.
  • Bak, T., Chu, D., Francis, A., Li, W. and Nowotny, J. (2014), 'Concentration of electrons at grain boundaries in TiO2 (rutile) : impact on charge transport and reactivity', Catalysis Today, .
  • Nowotny, J., Bak, T., Chu, D., Fiechter, S., Murch, G. and Veziroglu, T. (2014), 'Sustainable practices : solar hydrogen fuel and education program on sustainable energy systems', International Journal of Hydrogen Energy, vol 39, no 9 , pp 4151 - 4157.
  • Atanacio, A., Bak, T. and Nowotny, J. (2014), 'Niobium segregation in niobium-doped titanium dioxide (rutile)', Journal of Physical Chemistry C, vol 118, no 21 , pp 11174 - 11185.
  • Nowotny, J., Bak, T. and Alim, M. (2014), 'Defect disorder of TiO2 equilibrium constant for the formation of oxygen vacancies', ECS Solid State Letters, vol 3, no 11 , pp 71 - 75.
  • Nowotny, J., Malik, A., Alim, M., Bak, T. and Atanacio, A. (2014), 'Electrical properties and defect chemistry of indium-doped TiO2 : electrical conductivity', ECS Journal of Solid State Science and Technology, vol 3, no 10 , pp 330 - 339.
  • Ionescu, M., Atanacio, A., Davies, J., Nowotny, J., Gregg, D., Vance, L. and Bak, T. (2014), 'Surface modifications of TiO2 by ion implantation', Materials Science Forum, vol 783-786 , pp 1674 - 1679.
  • Wu, M., Bak, T., O'Doherty, P., Moffitt, M., Nowotny, J., Bailey, T. and Kersaitis, C. (2014), 'Photocatalysis of titanium dioxide for water disinfection : challenges and future perspectives', International Journal of Photochemistry, vol 2014 .
  • Nowotny, J., Atanacio, A., Bak, T., Belova, I., Fiechter, S., Ikuma, Y., Ionescu, M., Kennedy, B., Majewski, P., Murch, G. and Wachsman, E. (2014), 'Photosensitive oxide semiconductors for solar hydrogen fuel and water disinfection', International Materials Reviews, vol 59, no 8 , pp 449 - 478.
  • Atanacio, A., Bak, T., Nowotny, J. and Prince, K. (2013), 'Diffusion kinetics of indium in TiO2 (rutile)', Journal of the American Ceramic Society, vol 96, no 5 , pp 1366 - 1371.
  • 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, vol 116, no 20 , pp 10950 - 10958.
  • Bak, T., Nowotny, J., Sucher, N. and Wachsman, E. (2012), 'Photocatalytic water disinfection on oxide semiconductors. Part 1, Basic concepts of TiO2 photocatalysis', Advances in Applied Ceramics, vol 111, no 1-2 , pp 4 - 15.
  • 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, vol 4, no 12 , pp 6626 - 6634.
  • Bak, T., Bogdanoff, P., Fiechter, S. and Nowotny, J. (2012), 'Defect engineering of titanium dioxide : full defect disorder', Advances in Applied Ceramics, vol 111, no 1-2 , pp 62 - 71.
  • 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, vol 111, no 1-2 , pp 16 - 33.
  • Fiechter, S., Bogdanoff, P., Bak, T. and Nowotny, J. (2012), 'Basic concepts of photoelectrochemical solar energy conversion systems', Advances in Applied Ceramics, vol 111, no 1-2 , pp 39 - 43.
  • 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, vol 8469 .
  • Bak, T. and Nowotny, J. (2011), 'Reactivity of rutile with oxygen and hydrogen and related charge transfer', Journal of Physical Chemistry C, vol 115, no 31 , pp 15345 - 15354.
  • Bak, T. and Nowotny, J. (2011), 'Semiconducting properties of oxidized and reduced polycrystalline TiO 2. Jonker analysis', Journal of Physical Chemistry C, vol 115, no 19 , pp 9746 - 9752.
  • 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, vol 115, no 32 , pp 15711 - 15738.
  • Bak, T., Norby, T., Nowotny, J., Nowotny, M. and Sucher, N. (2010), 'Titanium dioxide photocatalyst : unresolved problems', Solid State Phenomena, vol 162, no 0 , pp 77 - 90.
  • Nowotny, J., Norby, T. and Bak, T. (2010), 'Reactivity between titanium dioxide and water at elevated temperatures', Journal of Physical Chemistry C, vol 114, no 42 , pp 18215 - 18221.
  • Bak, T., Nowotny, J. and Nguyen, Q. (2010), 'Titanium dioxide photocatalysts : performance-related properties', Diffusion and Defect Data (Part B: Solid State Phenomena), vol 162, no 0 , pp 329 - 335.
  • Bak, T., Nowotny, J. and Stranger, J. (2010), 'Electrical properties of TiO2 : equilibrium vs dynamic electrical conductivity', Ionics, vol 16, no 8 , pp 673 - 679.
  • Sheppard, L., Dittrich, T., Nowotny, J. and Bak, T. (2010), 'Surface photovoltage studies of nonstoichiometric rutile titanium dioxide', Applied Physics Letters, vol 96, no 7 .
  • 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, vol 46, no 1 , pp 27 - 30.
  • 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, vol 13, no 7 , pp 1115 - 1121.
  • Bak, T., Nowotny, J., Nowotny, M. and Sheppard, L. (2009), 'Dynamics of TiO2-based photoelectrochemical cell', Ionics, vol 15, no 6 , pp 671 - 679.
  • Nowotny, J. and Bak, T. (2009), 'TiO2-based photosensitive oxide semiconductors for solar hydrogen', Proceedings of SPIE: The International Society for Optical Engineering, vol 7408 .
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2008), 'Effect of cooling on electrical conductivity of titanium dioxide', Physica Status Solidi (b), vol 245 , pp 1816 - 1827.
  • 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), vol 112 , pp 13248 - 13257.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2008), 'Mobility of electronic charge carriers in titanium dioxide', Journal of Physical Chemistry C, vol 112 , pp 12981 - 12987.
  • 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, vol 112, no 2 , pp 590 - 601.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2008), 'Defect chemistry and electrical conductivity of titanium dioxide. 2 : effect of aliovalent ions', Journal of Physical Chemistry C, vol 112 , pp 602 - 610.
  • Sheppard, L., Bak, T. and Nowotny, J. (2008), 'Electrical properties of niobium doped titanium dioxide III : thermoelectric power', Journal of Physical Chemistry C, vol 112 , pp 611 - 617.
  • Nowotny, M., Sheppard, L., Bak, T. and Nowotny, J. (2008), 'Defect chemistry of titanium dioxide : application of defect engineering in processing TiO2-based photocatalysts', Journal of Physical Chemistry C, vol 112 , pp 5275 - 5300.
  • Bak, T., Nowotny, M., Sheppard, L. and Nowotny, J. (2008), 'Charge transport in Cr-doped titanium dioxide', Journal of Physical Chemistry C, vol 112, no 18 , pp 7255 - 7262.
  • 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, vol 44, no 2 , pp 63 - 67.
  • 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, vol 130, no 30 , pp 9984 - 9993.
  • Tributsch, H., Bak, T., Nowotny, J. and Sheppard, L. (2008), 'Photoreactivity models for titanium dioxide with water', Energy Materials, vol 3, no 3 , pp 158 - 168.
  • Bak, T., Nowotny, J., Nowotny, M. and Sheppard, L. (2008), 'Defect engineering of titanium dioxide', Journal of the Australian Ceramic Society, vol 44, no 2 , pp 63 - 67.
  • 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, vol 43, no 2 , pp 92 - 97.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2007), 'Defect chemistry of titanium dioxide effect of interfaces', Australasian Ceramic Society. Journal, vol 43, no 1 , pp 49 - 55.
  • 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, vol 106, no 1-2 , pp 63 - 70.
  • 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, vol 106, no 1-2 , pp 71 - 76.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2007), 'Titanium dioxide for solar-hydrogen I. Functional properties', International Journal of Hydrogen Energy, vol 32, no 14 , pp 2609 - 2629.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2007), 'Titanium dioxide for solar-hydrogen II. Defect chemistry', International Journal of Hydrogen Energy, vol 32, no 14 , pp 2630 - 2643.
  • 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, vol 32, no 14 , pp 2644 - 2650.
  • 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, vol 32, no 14 , pp 2651 - 2659.
  • 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, vol 32, no 14 , pp 2660 - 2663.
  • 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, vol 111, no 27 , pp 9769 - 9778.
  • Nowotny, J., Bak, T., Sheppard, L. and Sorrell, C. (2007), 'Solar-Hydrogen: A Solid-State Chemistry Perspective', Advances in Solar Energy, vol 17, no 0 , pp 169 - 215.
  • 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, vol 111 , pp 8126 - 8130.
  • Sheppard, L., Bak, T. and Nowotny, J. (2007), 'Reactivity of TiO2 with water and oxygen: surface science perspective', Advances in Applied Ceramics, vol 106, no 1-2 , pp 49 - 56.
  • Burg, T., Bak, T., Nowotny, J., Sheppard, L. and Sorrell, C. (2007), 'Effect of sintering on microstructure of TiO2 ceramics', Advances in Applied Ceramics, vol 106, no 1-2 , pp 57 - 62.
  • 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, vol 106, no 40575 , pp 89 - 94.
  • Grzesik, Z., Bak, T., Nowotny, J. and Henry, B. (2007), 'Chemical diffusion in amphoteric oxide semiconductors', Advances in Applied Ceramics, vol 106, no 40575 , pp 77 - 81.
  • Nowotny, J., Bak, T. and Burg, T. (2007), 'Electrical properties of polycrystalline TiO2: Equilibration kinetics', Ionics, vol 13, no 2 , pp 71 - 78.
  • Nowotny, J., Bak, T. and Burg, T. (2007), 'Electrical properties of polycrystalline TiO2. Prolonged oxidation kinetics', Ionics, vol 13, no 2 , pp 79 - 82.
  • Nowotny, J., Bak, T. and Burg, T. (2007), 'Electrical properties of polycrystalline TiO2 at elevated temperatures. Electrical conductivity', Physica Status Solidi (B) Basic Research, vol 244, no 6 , pp 2037 - 2054.
  • Nowotny, J., Bak, T. and Burg, T. (2007), 'Electrical properties of polycrystalline TiO2. Thermoelectric power', Ionics, vol 13, no 3 , pp 155 - 162.
  • 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, vol 106, no 40575 , pp 101 - 104.
  • 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, vol 110, no 33 , pp 16302 - 16308.
  • 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, vol 110, no 37 , pp 18492 - 18495.
  • 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, vol 110, no 43 , pp 21560 - 21567.
  • Nowotny, J., Bak, T., Nowotny, M. and Sheppard, L. (2006), 'Chemical diffusion in metal oxides. Example of TiO2', Ionics: international journal of ionics, vol 12, no 3 , pp 227 - 243.
  • 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, vol 12, no 40667 , pp 247 - 251.
  • 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, vol 110, no 33 , pp 16270 - 16282.
  • 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, vol 110, no 33 , pp 16283 - 16291.
  • 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, vol 110, no 33 , pp 16293 - 16301.
  • 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, vol 110, no 45 , pp 22447 - 22454.
  • 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, vol 110, no 45 , pp 22455 - 22461.
  • Sheppard, L., Bak, T. and Nowotny, J. (2006), 'Metallic TiO2', Physica Status Solidi. A: Applications and Materials, vol 203 .
  • 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, vol 510 , pp 119 - 124.
  • Nowotny, M., Bak, T., Nowotny, J. and Sorrell, C. (2005), 'Titanium Vacancies in Nonstoichiometric TiO2 Single Crystal', Physica Status Solidi. B: Basic Research, vol 242, no 11 .
  • 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, vol 242, no 11 .
  • 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, vol 104, no 4 , pp 147 - 153.
  • Nowotny, J., Sorrell, C., Sheppard, L. and Bak, T. (2005), 'Solar-hydrogen: Environmentally safe fuel for the future', International Journal of Hydrogen Energy, vol 30, no 5 , pp 521 - 544.
  • 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, vol 104, no 4 , pp 154 - 164.
  • 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, vol 104, no 4 , pp 165 - 173.
  • 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, vol 104, no 4 , pp 174 - 180.
  • 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, vol 104, no 4 , pp 181 - 187.
  • 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, vol 104, no 4 , pp 188 - 194.
  • 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, vol 104, no 4 , pp 195 - 199.
  • 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, vol 104, no 4 , pp 200 - 205.
  • 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, vol 104, no 4 , pp 206 - 213.
  • 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, vol 104, no 4 , pp 214 - 222.
  • 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, vol 104, no 4 , pp 223 - 228.
  • Nowotny, J., Bak, T. and Sorrell, C. (2005), 'Charge transfer at oxygen/zirconia interface at elevated temperatures Part 12: Summary', Advances in Applied Ceramics, vol 104, no 4 , pp 229 - 231.
  • 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, vol 66, no 40635 , pp 322 - 328.
  • Nowotny, J., Sorrell, C., Bak, T. and Sheppard, L. (2005), 'Solar-hydrogen: Unresolved problems in solid-state science', Solar Energy, vol 78, no 5 , pp 593 - 602.
  • Nowotny, J., Sorrell, C. and Bak, T. (2005), 'Segregation in zirconia: Equilibrium versus non-equilibrium segregation', Surface and Interface Analysis, vol 37, no 3 , pp 316 - 324.
  • Bak, T., Burg, T., Kang, S., Nowotny, J., Rekas, M., Sheppard, L., Sorrell, C., Vance, E., Yoshida, Y. and Yamawaki, M. (2003), 'Charge Transport in Polycrystalline Titanium Dioxide', Journal of Physics and Chemistry of Solids, vol 64, no 7 , pp 1089 - 1095.
  • 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, vol 27, no 10 , pp 991 - 1022.
  • 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, vol 27, no 1 , pp 19 - 26.

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, .

Previous Projects

Title: Application of ion implantation for the enhancement of solar energy conversion of oxide semiconductors
Funder:
  • Australian Institute of Nuclear Science and Engineering Ltd (ACRG)
Western Researchers: Wenxian Li, Janusz Nowotny and Tad Bak
Years: 2014-07-01 - 2015-06-30
ID: P00022323
Title: P-Type Titanium Dioxide for Hydrogen Generation from Water using Solar Energy
Funder:
  • Australian Research Council (ACRG)
Western Researchers: Tad Bak and Janusz Nowotny
Years: 2008-08-18 - 2008-12-31
ID: P00016500
Title: Application of PIXE and RBS analysis for the determination of the segregation-induced concentration gradients of tantalum and chromium in TiO2-based semiconductors [no funding to UWS]
Funder:
  • Australian Institute of Nuclear Science and Engineering Ltd (ACRG)
Western Researchers: Janusz Nowotny and Tad Bak
Years: 2015-01-01 - 2015-12-31
ID: P00022420
Title: Generation and characterization of surface and subsurface defects for high performance TiO2 photocatalysts [no funding to UWS]
Funder:
  • Australian Institute of Nuclear Science and Engineering Ltd (ACRG)
Western Researchers: Wenxian Li, Janusz Nowotny and Tad Bak
Years: 2015-01-01 - 2015-12-31
ID: P00022422

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