Development of Novel Materials for Environmental and Energy Applications.


Representative Publications
  • Shen, P., Zhao, S., Su, D., Li, Y., Orlov, A. "Outstanding activity of sub-nm Au clusters for photocatalytic hydrogen production", Applied Catalysis B: Environmental, 25, 153-160, 2012.
  • In, S., Orlov, A., Berg, R., García, F., Pedrosa, S.J., Tikhov, M., Wright, D.S. ,  Lambert, R. M.  "Effective visible light-active B-doped and B,N-codoped TiO2 photocatalysts ", Journal of American Chemical Society, 129, 13790-13791, 2007.
  • In, S., Orlov, A., García, F.,  Tikhov, M., Wright, D., Lambert, RM. "Efficient visible light-active N-doped TiO2 photocatalysts by a reproducible and controllable synthetic route", Chemical Communications, 40, 4236–4238, 2006.
  • Lin, Z. S., Orlov, A., Lambert, R.M., Payne M. C. “New insights into the origin of visible light photocatalytic activity of nitrogen doped and oxygen deficient anatase TiO2”, Journal of Physical Chemistry B, 109 (44), 2005.



Topics: Developing novel catalysts to remove water and gas phase contaminants, developing novel nanomaterials for water splitting and CO2 reduction into hydrocarbons, large scale applications of photocatalysis.

Nanoparticles and Nanostructures for Environmental and Energy Applications

Representative Publications
  • Zhao, S., Su, D., Che, J., Orlov, A. "Photocatalytic properties of TiO2 supported on SBA-15 mesoporous materials with large pores and short channels", Materials Letters, 65, 3354–3357, 2011.
  • Zhao, S., Ramakrishnan, G., Su, D., Rieger, R., Koller, Orlov, A. "Novel photocatalytic applications of sub-nanometer gold particles for environmental liquid and gas phase reactions", Applied Catalysis B: Environmental, 104, 239-244, 2011.
  • Ramakrishnan, G., Zhao, S., Han, W., Orlov, A. "Simultaneous observation of gas phase and surface species in photocatalytic reactions on nanosize Au modified TiO2: The next generation of DRIFTS systems", Chemical Engineering Journal, 170, 445-450, 2011.
  • Orlov, A., Zhai, Q.Z., Klinowski, J. “ Photocatalytic properties of the SBA-15 mesoporous silica molecular sieve modified with titanium”, Journal of Material Science, 41, 2187-2193, 2006.





Topics: Manipulating particle sizes to achive the highest catalytic activity. Design of sub-nm metal nanoparticles, characterization and testing for the optimal activity. Design of high surface area adsorbents and membranes for water filtraton and contaminants removal.

Development of New Sustainable Polymer Nanocomposites. Development of Sustainable Ceramics Composites.

Representative Publications

  • Uchimiya, S., Orlov, A., Ramakrishnan, G. Sistani, K. "In Situ and Ex Situ Spectroscopic Monitoring of Biochar’s Surface Functional Groups", 2012, submitted.










Topics: Design of sustainable nanofillers from waste products. Understanding stability and performance of the composites and improving their performance. Understanding and improving nanofiller/matrix interfaces.

Environmental Interfaces: Mineral Aerosols and Other Environmental Surfaces.

Representative Publications
  • Gustafsson, R. J., Orlov, A., Griffiths, P. T., Cox, R.A., Lambert, R. M.  "Reduction of NO2 to nitrous acid on illuminated titanium dioxide aerosol surfaces: implications for photocatalysis and atmospheric chemistry", Chemical Communications, 37, 3936-3938, 2006.

  • Gustafsson, R. J., Orlov, A., Griffiths, P. T., Cox, R.A., Lambert, R. M. “A comprehensive evaluation of water uptake on atmospherically relevant mineral surfaces: a DRIFTS, thermogravimetric analysis and DMA study”, Atmospheric Chemistry and Physics, 5, 3415-3421, 2005.

  • Orlov, A., Watson, D., Williams, F., Tihov, M., Lambert, R. M. "Interactions of 4-chlorophenol with TiO2 polycrystalline surfaces: study of environmental interfaces by NEXAFS, XPS and UPS", Langmuir, 23, 9551-9554, 2007.

  • Orlov, A., Tikhov, M., Lambert, R " Application of surface science techniques in the study of environmental photocatalysis: nitrogen doped TiO2", Comptes Rendus Chimie, 9 (5-6), 2794-2799, 2006.



Topics: Interactions of pollutants with urban surfaces and aerosols. Spectroscopic characterization of adsoprtion and reaction mechanisms.