Study of the preferential solvation effects in binary solvent mixtures with the use of intensely solvatochromic azobenzene involving [2] rotaxane solutes

被引：10

作者：

Papadakis, Raffaelio ^{[1
,2
]}

Deligkiozi, Ioanna ^{[1
,3
]}

Nowak, Katarzyna E. ^{[4
]}

机构：

[1] Natl Tech Univ Athens, Lab Organ Chem, Sch Chem Engn, 9 Heroon Polytechniou St, Athens 15780, Greece

[2] Uppsala Univ, Dept Chem Angstrom, Box 523, S-75120 Uppsala, Sweden

[3] CreativeNano, Rethimnis 12, Athens 11146, Greece

[4] Univ Lodz, Fac Biol & Environm Protect, Dept Mol Biophys, Pomorska St 141-143, PL-90236 Lodz, Poland

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2019年 / 274卷

关键词：

DIELECTRIC ENRICHMENT; POLARITY PARAMETERS; PUSH-PULL; CYCLODEXTRIN; COMPLEXES; ALPHA; BETA; TEMPERATURE; MOLECULES; E(T)(30);

D O I：

10.1016/j.molliq.2018.10.164

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this work we utilize the marked solvatochromism of two cyclodextrin (CD) containing [2]rotaxanes and their CD-free linear precursor in order to investigate preferential solvation (PS) effects in water/ethylene glycol mixtures, Two well-known models of PS are employed in order to quantify the PS and rationalize local solute-solvent and solvent-solvent effects. Structural effects among the solvatochromic probes are furthermore examined in terms of the involvement or not of a CD macrocycle and also in terms of the size of CD involved, between the two [2]rotaxanes. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：715 / 723

页数：9

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