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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41431

Title: Gearing of Molecular Swirls: Columnar Packing of Nematogenic Hexakis(4-alkoxyphenylethynyl)be nzene Derivatives
Authors: Shern-Long Lee;Hsing-An Lin;Yi-Hui Lin;Hsiu-Hui Chen;Ching-Ting Liao;Tzu-Ling Lin;Yi-Chen Chu;Hsiu-Fu Hsu;Chun-hsien Chen;Jey-Jau Lee;Wen-Yi Hung;Qu-Yuan Liu;Chunhung Wu
Contributors: 國立臺灣海洋大學:光電科學研究所
Date: 2011
Issue Date: 2017-02-15T08:46:28Z
Publisher: Chemistry-A European Journal
Abstract: Abstract: Through molecular design and straightforward synthesis, incorporating an additional alkoxy chain onto various numbers of peripheral phenyls in nematogenic hexakis(4-alkoxyphenylethynyl)benzene was achieved to generate columnar phases with significantly expanded temperature ranges. For the compound with two decyloxy chains on every peripheral phenyl, scanning tunnelling microscopic studies indicate the molecule adopts a preferred molecular-swirl geometry by restricting the conformational arrangement of the alkoxy side chains. Cooperative packing of the molecular swirls by a lock-in mechanism among columns results in a stable helical column packing evidenced by powder X-ray diffraction.
Relation: 17(3)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41431
Appears in Collections:[光電科學研究所] 期刊論文

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