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Published on: January 15, 2014
Crystal structure and orientation of organic semiconductor thin films by microcrystal electron diffraction and
Andrew M Levine1, Guanhong Bu2, Sankarsan Biswas1
1Nanoscience Initiative, Advanced Science Research Center, Graduate Center, City University of New York, 85 St. Nicholas Terrace, New York, NY 10031, USA. abraunschweig@gc.cuny.edu and Department of Chemistry, Hunter College, 695 Park Avenue, New York, NY 10065, USA and Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY 10016, USA.
Abstract:
We use microcrystal electron diffraction (MicroED) to determine structures of three organic semiconductors, and show that these structures can be used along with grazing-incidence wide-angle X-ray scattering (GIWAXS) to understand crystal packing and orientation in thin films. Together these complimentary techniques provide unique structural insights into organic semiconductor thin films, a class of materials whose device properties and electronic behavior are sensitively dependent on solid-state order.
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