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pubmed-article:16089457rdf:typepubmed:Citationlld:pubmed
pubmed-article:16089457lifeskim:mentionsumls-concept:C0086296lld:lifeskim
pubmed-article:16089457lifeskim:mentionsumls-concept:C0678594lld:lifeskim
pubmed-article:16089457pubmed:issue32lld:pubmed
pubmed-article:16089457pubmed:dateCreated2005-8-10lld:pubmed
pubmed-article:16089457pubmed:abstractTextThe structure of a thin zone-cast film of the hexa-n-dodecyl-substituted hexa-peri-benzocoronene (HBC) has been investigated using grazing incidence X-ray diffraction. A model with an orthorhombic unit cell containing two molecules accounts well for the observations. The molecules are arranged in a "herringbone" structure resembling the packing observed for unsubstituted HBC. The molecular disk planes are oriented perpendicularly to the substrate, rotated by approximately 39 degrees about the film normal. The relatively long side chains of dodecyl were found to be in an ordered interdigitated state. The aliphatic side chains and the aromatic HBC-cores segregate to form regular vertical domains spanning the film thickness. For in-plane rocking scans a discrete orientation distribution is observed with peaks at regular angle intervals. We interpret this as a grain boundary effect induced by alkyl chain stacking faults.lld:pubmed
pubmed-article:16089457pubmed:languageenglld:pubmed
pubmed-article:16089457pubmed:journalhttp://linkedlifedata.com/r...lld:pubmed
pubmed-article:16089457pubmed:statusPubMed-not-MEDLINElld:pubmed
pubmed-article:16089457pubmed:monthAuglld:pubmed
pubmed-article:16089457pubmed:issn0002-7863lld:pubmed
pubmed-article:16089457pubmed:authorpubmed-author:MüllenKlausKlld:pubmed
pubmed-article:16089457pubmed:authorpubmed-author:SøllingTheis...lld:pubmed
pubmed-article:16089457pubmed:authorpubmed-author:TraczAdamAlld:pubmed
pubmed-article:16089457pubmed:authorpubmed-author:PisulaWojciec...lld:pubmed
pubmed-article:16089457pubmed:authorpubmed-author:PakulaTadeusz...lld:pubmed
pubmed-article:16089457pubmed:authorpubmed-author:BunkOliverOlld:pubmed
pubmed-article:16089457pubmed:authorpubmed-author:NielsenMartin...lld:pubmed
pubmed-article:16089457pubmed:authorpubmed-author:BreibyDag WDWlld:pubmed
pubmed-article:16089457pubmed:issnTypePrintlld:pubmed
pubmed-article:16089457pubmed:day17lld:pubmed
pubmed-article:16089457pubmed:volume127lld:pubmed
pubmed-article:16089457pubmed:ownerNLMlld:pubmed
pubmed-article:16089457pubmed:authorsCompleteYlld:pubmed
pubmed-article:16089457pubmed:pagination11288-93lld:pubmed
pubmed-article:16089457pubmed:year2005lld:pubmed
pubmed-article:16089457pubmed:articleTitleStructure of zone-cast HBC-C12H25 films.lld:pubmed
pubmed-article:16089457pubmed:affiliationDanish Polymer Centre, Risø National Laboratory, P.O. Box 49, 4000 Roskilde, Denmark. dag.werner.breiby@risoe.dklld:pubmed
pubmed-article:16089457pubmed:publicationTypeJournal Articlelld:pubmed