ICCAS OpenIR
Alkoxy Tail Length Dependence of Gelation Ability and Supramolecular Chirality of Sugar-Appended Organogelators
Cu, Jiaxi; Zheng, Yijun; Shen, Zhihao; Wan, Xinhua
2010-10-05
Source PublicationLANGMUIR
ISSN0743-7463
Volume26Issue:19Pages:15508-15515
AbstractA series of sugar-appended organogelators, 4-(4'-alkoxyphenyl)phenyl-beta-O-D-glucoside (GBCn, where n = 1-12 denotes the number of carbon atom in the tail), are synthesized to elucidate the effect of terminal chain length on their gelation and chiral expression abilities in gels. In the mixture of H(2)O/dioxane (60/40 v/v), GBCn undergoes a phasic evolution of precipitation-solution-gel-precipitation-gel as its tail length increases from n = 1, 2, 3-6, and 7-10 to 11-12, respectively. Helical ribbons are observed in gels, but platelet-like structures are the dominant morphologies in the systems that precipitation happens. Combinatory analyses of microscopic, spectroscopic, and diffraction results reveal that the self-assembly into interdigitated bilayer structures of GBCn is driven by hydrogen bondings of sugar heads, pi-pi interactions of biphenyl rods, and hydrophobic interactions of alkoxy tails. The helical-morphology formation is caused by the significant steric repulsion between chiral moieties on the condition of the disordering or the size of alkoxy chains reaching the threshold of helical twisting and bending.
DOI10.1021/la101494t
Indexed BySCI
Language英语
WOS IDWOS:000282142700060
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/68962
Collection中国科学院化学研究所
Corresponding AuthorShen, Zhihao
AffiliationPeking Univ, Beijing Natl Lab Mol Sci, Key Lab Polymer Chem & Phys, Minist Educ,Coll Chem & Mol Engn, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Cu, Jiaxi,Zheng, Yijun,Shen, Zhihao,et al. Alkoxy Tail Length Dependence of Gelation Ability and Supramolecular Chirality of Sugar-Appended Organogelators[J]. LANGMUIR,2010,26(19):15508-15515.
APA Cu, Jiaxi,Zheng, Yijun,Shen, Zhihao,&Wan, Xinhua.(2010).Alkoxy Tail Length Dependence of Gelation Ability and Supramolecular Chirality of Sugar-Appended Organogelators.LANGMUIR,26(19),15508-15515.
MLA Cu, Jiaxi,et al."Alkoxy Tail Length Dependence of Gelation Ability and Supramolecular Chirality of Sugar-Appended Organogelators".LANGMUIR 26.19(2010):15508-15515.
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