کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1673539 | 1008949 | 2008 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Stimulus-responsive molecular rotors: Control of rotary motion in triptycene–ionophore systems with s-block metal cations
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Triptycene derivatives bearing a pair of ionophores were synthesized and their rotational behaviors were observed with/without s-block metal cations as an external stimulus. In this study, oxyethylene-based ionophores were introduced at both bridgehead positions of triptycene as the stimulus receptors. The NMR experiments revealed the formation of complexes of the triptycenes with the s-block metal cations. We demonstrated that the rate (activation energy) of the internal rotation of the triptycyl moiety could be controlled by the formation of the complexes. We also found that the conformation of those complexes can be controllable with the species of metal cations.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin Solid Films - Volume 517, Issue 4, 31 December 2008, Pages 1428–1433
Journal: Thin Solid Films - Volume 517, Issue 4, 31 December 2008, Pages 1428–1433
نویسندگان
Osamu Tsutsumi, Fumiko Suzuki, Mai Oowaki, Yoshie Okazaki, Kazuyoshi Takeda, Yasuhiro Mazaki, Gaku Yamamoto,