research - wsb000

Research
Nanomaterials / Nanophotonics

Double wall CNTs

Histine nanoneedles

Optical standing wave imaging

Intermediate field holography

Recent publications Nanotubes (>2009)

Electrical conductivity and Raman imaging of double wall carbon nanotubes in a polymer matrix, V. Tishkova, PI. Raynal, P. Puech, A. Lonjon, M. Le Fournier, P. Demont, E. Flahaut, W. Bacsa, Composite Science and Technology 71 (2011) 1326

Comparative Raman spectroscopy of individual and bundled double wall carbon nanotubes, P. Puech, S. Nanot, B. Raquet, JM. Broto, M. Millot, AW. Anwar, E. Flahaut, W. Bacsa, Phys. Status Solidi B, 1-6 (2010): DOI 10.1002/pssb.200945548

Influence of nitrogen doping on the radial breathing mode in carbon nanotubes, I. Gerber, P. Puech, A. Gannouni, W. Bacsa, Phys. Rev. B 79 (2009) 075423, Vir. J. Nano Sci. & Tech. 19 (2009)

Raman G and D band in strongly photo excited carbon nanotubes, P. Puech, E. Flahaut, DJ. Dunstan, A. Bassil, AW. Anwar and W. Bacsa, Phys. Rev. B 79 (2009) 085418

Influence of nitrogen doping on the radial breathing mode in carbon nanotubes, I. Gerber, P. Puech, A. Gannouni, W. Bacsa, Phys. Rev. B 79 (2009) 075423

Recent publications Nanophotonics

Nanoscale Optics: Random resolution, W. Bacsa, Nature Nanotechnology 6 (2011) 335
Topography induced optical spectral shifts and finite size effect of focal spot, V. Tishkova, W. Bacsa, http://arxiv.org/abs/1010.6153
Reinventing optics: Spectroscopic Properties Unique to Nano-Emitters, Andrew G. Walsh, Wolfgang Bacsa, A. Nickolas Vamivakas, and Anna K. Swan, Nano Letters 8(2008) 2215
Depth resolution capabilities using optical standing waves: W. Bacsa et al. NSTI Nanotech Conference Proceedings 2007
Local field variations near structured surfaces: W. Bacsa, B. Levine, M. Caumont, B. Dwir, Journal of the Optical Society of America JOSA B, Vol 23 (2006) 893
Space and time coherence of optical fields near surfaces: Levine, A. Kulik and W.S. Bacsa, Phys. Rev. B, Vol 66 (2002) 233404

Recent publications Selforganisation, protein aggregation

Intense Raman bands and low luminescence of thin films of heme proteins on silica: V. Sonois, W. Bacsa, P. Faller, Chem. Phys. Lett. 478 (2009) 66
Nano needels of amino acids, detecting nonograms using visible Raman spectroscopy: V. Sonois, P. Faller, W. Bacsa, N. Fazouan, E. Esteve, Chem. Phys. Lett. 439 (2007) 360
Cubic oriented Ag nanoparticles: D. Berner et al NSTI Nanotech Conference Proceedings 2006

Recent publications Shape controlled nanoparticles

Synthesis and Structure-Property Correlations in Shape controlled ZnO nanoparticles by Chemical Vapour Synthesis and their Applications in Dye Sensitized Solar Cells: Revathi Bacsa, Jeannette Dexpert-Ghys, Marc Verelst, Andrea Falqui, Bruno Machado, Wolfgang S Bacsa, Peter Chen, Shaik M. Zakeeruddin, Michael Graetzel, and Philippe Serp, Advanced Functional Materials 19 (2009) 1-12

Publications with direct applications:

Detecting nanograms of amino acids using visible Raman spectroscopy: V. Sonois, P. Faller, W. Bacsa, N. Fazouan, E. Esteve Chem. Phys. Lett. 439 (2007) 360
Interference scanning optical probe microscopy: W.S. Bacsa, A. Kulik Appl. Phys. Lett. 70 (1997) 3507
How to make aligned multi wall carbon nanotube films: W.A. de Heer, W.S. Bacsa et al Science 268 (1995) 845
Bilayer interference enhanced Raman spectroscopy: W.S. Bacsa and J.S. Lannin Appl. Phys. Lett. 61 (1992) 19 ( see work on graphene by AK Geim, KS Novoselov, Physics Nobel Prize 2010 )