http://www.cnr.it/ontology/cnr/individuo/prodotto/ID179344
Surface-controlled self-assembly of chiral sexithiophenes (Articolo in rivista)
- Type
- Label
- Surface-controlled self-assembly of chiral sexithiophenes (Articolo in rivista) (literal)
- Anno
- 2004-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1039/B316399G (literal)
- Alternative label
Leclère, Philippe (2); Surin, Mathieu (1); Lazzaroni, Roberto (1); Kilbinger, A. F M (3); Henze, Oliver (3); Jonkheijm, Pascal (2); Biscarini, Fabio (4); Cavallini, Massimiliano (4); Feast, W. James (3); Meijer, E. W. (2); Schenning, A. P H J (2); (2004)
Surface-controlled self-assembly of chiral sexithiophenes
in Journal of materials chemistry (Print); Royal Society of Chemistry, Cambridge (Regno Unito)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Leclère, Philippe (2); Surin, Mathieu (1); Lazzaroni, Roberto (1); Kilbinger, A. F M (3); Henze, Oliver (3); Jonkheijm, Pascal (2); Biscarini, Fabio (4); Cavallini, Massimiliano (4); Feast, W. James (3); Meijer, E. W. (2); Schenning, A. P H J (2); (literal)
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- (1) Serv. de Chim. des Mat. Nouveaux - Univ. de Mons-Hainaut/Materia Nova;
(2) Lab. of Macromolec. and Organ. Chem. - Eindhoven University of Technology;
(3) IRC in Poly. Science and Technology - Durham University;
(4) Consiglio Nazionale Delle Ricerche - Ist. Stud. Materiali Nanostrutturati (literal)
- Titolo
- Surface-controlled self-assembly of chiral sexithiophenes (literal)
- Abstract
- We report on the self-assembly of two enantiomeric sexithiophenes in solution and on surfaces. Circular dichromism of aggregated sexithiophenes and drop-cast films reveals, as expected, mirror image spectra for both enantiomers. The aggregation in thin deposits from sexithiophenes molecularly dispersed in a solution on different types of substrates was investigated by atomic force microscopy (AFM). On graphite, one-dimensional objects (nanowires) are formed while on mica platelets are generated. Remarkably, we found that both enantiomers form left-handed helices on silicon. This observation depends on the hydrophilicity of the silicon. Furthermore, the achiral sexithiophene did not form helical aggregates suggesting that the stereocenter is required to obtain chirality in the fibers. (literal)
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