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The salt was prepared by starting from racemic 2\u2010methyl[6]helicene, which undergoes radical bromination to yield 2\u2010(bromomethyl)[6]helicene. Subsequent treatment with 1\u2010butylimidazole leads to the corresponding salt 1\u2010butyl\u20103\u2010(2\u2010methyl[6]helicenyl)\u2010imidazolium bromide. The prepared salt was subsequently characterized by using NMR spectroscopy and X\u2010ray analysis, various optical spectrometric techniques, and computational chemistry tools. Finally, the imidazolium salt was immobilized onto a SiO<jats:sub>2<\/jats:sub> substrate as a crystalline or amorphous deposit. The deposited layers were used for the development of organic molecular semiconductor devices and the construction of a fully reversible humidity sensor.<\/jats:p>","DOI":"10.1002\/chem.201405239","type":"journal-article","created":{"date-parts":[[2014,12,11]],"date-time":"2014-12-11T13:23:30Z","timestamp":1418304210000},"page":"2343-2347","source":"Crossref","is-referenced-by-count":68,"title":["Synthesis and Characterization of a Helicene\u2010Based Imidazolium Salt and Its Application in Organic Molecular Electronics"],"prefix":"10.1002","volume":"21","author":[{"given":"Jan","family":"Storch","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jaroslav","family":"Zadny","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomas","family":"Strasak","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"Kubala","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan","family":"Sykora","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michal","family":"Dusek","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vladimir","family":"Cirkva","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pavel","family":"Matejka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Milos","family":"Krbal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan","family":"Vacek","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,12,11]]},"reference":[{"key":"e_1_2_3_1_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.polymer.2010.02.006"},{"key":"e_1_2_3_2_2","doi-asserted-by":"publisher","DOI":"10.1039\/c1cy00287b"},{"key":"e_1_2_3_3_2","doi-asserted-by":"publisher","DOI":"10.2174\/138527210791616830"},{"key":"e_1_2_3_4_2","first-page":"237","volume":"23","author":"Ghosh R.","year":"2013","journal-title":"Int. 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