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SUMMARY:Nanoscale Multimaterials with Complex Anisotropies
DTSTART:20190408T131500
DTEND:20190408T141500
DTSTAMP:20260407T163559Z
UID:1972fcc8e3a799eb72ced2b7450ecee6d555e8c12f177e647e9d876b
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Gero Decher\, Charles Sadron Institute\, Strasbourg Fran
 ce\nMost of the current materials are isotropic\, materials with anisotrop
 ic properties are in general much more difficult to prepare and much more 
 difficult to characterize. In the past our team has introduced the so-call
 ed Layer-by-Layer (LbL) assembly method1\,2) which has the largest choice 
 of deployable components among all existing techniques for surface functio
 nalization. It allows to design and prepare nanoscale materials composed o
 f hundreds of different components with adjustable multifunctionality\, a 
 task close to impossible for most other self-assembly methods.\nFor the pr
 eparation of highly anisotropic nanocomposites we have recently introduced
  grazing incidence spraying3\,4) (Fig. 1) for aligning nano-wires\, nano-r
 ods and nano-fibers in-plane during the deposition of individual layers wh
 en building up LbL-assemblies. With unidirectionally oriented multilayers 
 one can for example fabricate multilayer films containing ultrathin polari
 zers4). Grazing incidence spraying is\, however\, capable of producing mor
 e complex anisotropies even over large surface areas by changing the direc
 tion of alignment in each individual layer of a multilayer films.\n\nRefer
 ences:\n1) See for example: Layer-by-Layer Assembly of Multifunctional Hyb
 rid Materials and Nanoscale Devices\, Seyrek E and Decher G\n(2012). In: P
 olymer Science: A Comprehensive Reference\, Vol 7\, (2012) pp. 159–185\,
  Matyjaszewski K. and Möller M. (eds.)\,\nAmsterdam: Elsevier BV\n2) G. D
 echer\, Science 277 (5330)\, 1232-1237 (1997)\n3) R. Blell\, X.F. Lin\, T.
  Lindstrøm\, M. Ankerfors\, M. Pauly\, O. Felix and Gero Decher\, ACS Nan
 o 11(1)\, 84-94 (2016).\n4) H. Hu\, M. Pauly\, O. Felix and G. Decher\, Na
 noscale 9(3)\, 1307-1314 (2016).\nBio: • 2004-2007 Membre nommé du Comi
 té National (C.N.R.S.\, Section 11)\n• since 2005 Co-Editor “Biointer
 phases” (American Institute of Physics)\n• 2005 Chair Gordon Research 
 Conference on "Ion-Containing Polymers"\, May 1-6\,\n2005\, Il Ciocco\, Ba
 rga\, Italy\, (Chairs: Gero Decher & Robert B. Moore)\n• 2003 Chair Gord
 on Research Conference on "Organic Thin Films"\, May 18-23\, 2003\,\nIl Ci
 occo\, Barga\, Italy\n• 2001-2009 Deputy Director of the Institut Charle
 s Sadron (CNRS\, UPR 22)\n• 2000-2005 Editorial Advisory Board "Nano Let
 ters" (American Chemical Society)
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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