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SUMMARY:Molecular electronics from thin films to single molecules - Dr J E
 myr Macdonald\, Cardiff University
DTSTART:20101012T133000Z
DTEND:20101012T143000Z
UID:TALK26019@talks.cam.ac.uk
CONTACT:Dr. Z Chen
DESCRIPTION:Grazing incidence diffraction is becoming a standard probe of 
 molecular packing in conjugated polymer thin films.  Its use for probing s
 tructural changes in real time during in-situ annealing of P3HT-PCBM photo
 voltaic films will be described.  \nIn the second part of the talk\, the I
 -V behaviour of isolated conjugated butadiyne-linked porphyrins is describ
 ed\, showing sensitive dependence on the detailed atomic geometry of the e
 lectrode contact.  In contrast\,  for self-assembled monolayers a single-p
 eaked distribution was observed\, consistent with parallel conduction thro
 ugh many molecules.
LOCATION:Kapitza Building Seminar Room\, Cavendish Laboratory\, Department
  of Physics
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