Darby, M.S.B.

Eason, R.W.

Gazia, R.

Grivas, C.

May-Smith, T.C.

Shepherd, D.P.

English

Southampton (e-Prints Soton)

E-MRS (European Materials Research Society) Spring Meeting: May 26-30, 2008, Strasbourg, France G. Horowitz The  E-MRS  2008  spring  meeting  comprised  17  parallel  symposia,  out  of which four were, at least in part, dedicated to organic electronics. These are: ￿  Symposium E “Thin film materials for large area electronics”; ￿  Symposium O “Interface controlled organic thin films”; ￿  Symposium P “Advanced organic and/or inorganic functional materials”; ￿  Symposium  Q  “Functional  supramolecular  architectures  for  organic electronics and nanotechnology”. Symposium  E  was  mainly  devoted  to  inorganic  materials  such  as hydrogenated amorphous silicon (a-Si:H) and polycrystalline silicon. There was one session on organic devices (plus a few posters), with an invited talk by  Ghassan  E.  Jabbour  (Arizona  State  University)  on  white  organic  light-emitting devices and five contributed presentations.  The topics developed in symposium O were as follows: ￿  Thin film growth, ￿  Energy level alignment, ￿  Defects, ￿  Devices (OTFTs and OLEDs), ￿  Nanofibers, ￿  Charge transfer, ￿  Near-field spectroscopy, ￿  Self-assembled monolayers. Out  of  the  ten  invited  talks,  I  was  particularly  interested  by  that  by H. Sirringhaus (University of Cambridge, UK) on “Charge trapping in organic field-effect transistors”, with an original application of the crowding effect to the  problem  of  contact  resistance  in  bottom-electrodes device.  There  was also  an  innovative  presentation  by  P. Herremans  (IMEC,  Belgium)  on “Electronic defect creation during growth of thin films of organic molecules”, which is one of the first attempt to predict the energy of the defect levels in organic semiconductor by quantum mechanics calculations.  Symposium P was centered on: ￿  Nano-objects, nano-particles, nano-devices... ￿  Organization on surfaces, self-assembled materials, ￿  Hybrid functional materials (with a few presentation on hybrid solar cells and LEDs), ￿  Biomedical materials.  Finally, symposium Q was the most crowded one of the whole meeting, with more than 300 presentations. The topics included: ￿  Supramolecular chemistry, ￿  Nano manipulation, nano mechanics (patterning), nano-optics, ￿  Self-assembly (mainly dedicated to molecular electronics), ￿  Electron transfer (with an invited talk by V. Lemaur (University of Mons, Belgium)  “Electron  transfer  at  organic-organic  interfaces”,  which discussed  the  crucial  issue  of  the  rate  of  exciton  dissociation  and recombination in organic LEDs), ￿  Devices  (with  the  invited  talk  “Type  conversion  of  OFETs  by  dielectric interface modification” by H. von Seggern).  This  last  symposium  also  included  a  joint  session  with  symposium  P  on “Functional  architectures  for  organic  electronics”  with  two  invited contributions:  “Solution  processable  thienothiophene  semiconducting polymers” by I. McCulloch, and “Towards molecular modulation of electronic devices” by D. Cahen.  

Current state of the art of pulsed laser deposition: existing capabilities and future trends

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