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SUMMARY:Polymer and hybrid nanostructures for applications in organic sola
 r cells investigated with advanced x-ray techniques - Prof. Peter Müller-
 Buschbaum (Technische Universität München )
DTSTART:20130222T140000Z
DTEND:20130222T150000Z
UID:TALK43419@talks.cam.ac.uk
CONTACT:Shery Huang
DESCRIPTION:The investigation of nanostructures at surfaces\, interfaces a
 nd in thin films requires dedicated analytical techniques\, which provide 
 information from a molecular to a mesoscopic scale. In particular\, it is 
 challenging to detect the complex morphologies which are necessary to have
  high efficiency organic solar cells. In such solar cells the active layer
  is sandwiched between multiple other layers\, the devices make use of a t
 hin-film geometry and structures need to be detected from the crystalline 
 arrangement of the molecules to mesoscopic domain sizes. The advanced scat
 tering techniques grazing incidence small and wide angle x-ray scattering 
 (GISAXS and GIWAXS) allow for a determination of such structures [1-4]. Th
 e use of different scattering geometries including micro-focused x-ray bea
 ms as well as novel techniques such as grazing incidence resonant soft X-r
 ay scattering (GI-RSoXS) using different X-ray energies are applied to inv
 estigate organic solar cells. Examples based on\nconducting photoactive po
 lymers and hybrid nanostructures are presented [5\,6].\n\nReferences\n\n[1
 ] P.Müller-Buschbaum: Grazing incidence small-angle x-ray scattering - an
  advanced scattering technique for the investigation of nanostructured pol
 ymer films\; Anal. Bioanal. Chem. 376\, 3 (2003)\n\n[2] P. Müller-Buschba
 um: Structure determination in the thin film geometry using grazing incide
 nce small angle scattering\; in "Polymer Surfaces and Interfaces: Characte
 rization\, Modification and Applications"\, edt. M. Stamm\, p.17-46 Spring
 er Berlin\, ISBN-13: 978-3-\n540-73864-0 (2008).\n\n[3] P. Müller-Buschba
 um: A basic introduction to grazing incidence small angle X-ray scattering
 \; in Special issue of Lecture Notes in Physics on "Applications of Synchr
 otron Light to Noncrystalline Diffraction in Materials and Life Sciences"\
 , Vol. 776\, edt. Ezquerra\, T.A.\; Garcia-Gutierrez\, M.\; Nogales\, A.\;
  Gomez\, M.\; p.61-90 Springer Berlin\, ISBN-13: 978-3-540-\n95967-0 (2009
 ).\n\n[4] P.Müller-Buschbaum\, V.Körstgens: Scanning probe microscopy an
 d grazing incidence small-angle scattering as complementary tools for the 
 investigation of polymer films and surfaces\; in Special issue of NanoScie
 nce and Technology on "Scanning Probe Microscopy in Nanoscience and Nanote
 chnology 2"\, edt. Bhushan\, B.\; p.101-129 Springer Berlin\, ISBN-13: 978
 -3-642-10496-1 (2011)\n\n[5] M.A.Ruderer\, P.Müller-Buschbaum: Morphology
  of polymer-based bulk heterojunction films for oganic photovoltaics (revi
 ew)\; Soft Matter 7\, 5482-5493 (2011)\n\n[6] M.Rawolle\, M.A.Niedermeier\
 , G.Kaune\, J.Perlich\, P.Lellig\, M.Memesa\, Y.-J.Cheng\, J.S.Gutmann\, P
 .Müller-Buschbaum: Fabrication and characterization of nanostructured tit
 ania films with integrated function from inorganic-organic hybrid material
 s (review)\;\nChem. Soc. Rev. 41\, 5131-5142 (2012)
LOCATION:Small Lecture Theatre\, Cavendish Laboratory
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