Spiropyran dimer toward photo-switchable molecular machine
Spiropyran dimer toward photo-switchable molecular machine
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DOI：
10.1021/cm061968i
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发表时间：
2007-02-20
影响因子：
8.6
通讯作者：
Fujiwara, Tomoko
中科院分区：
文献类型：
--
作者：
Fukushima, Kazuki;Vandenbos, Aaron J.;Fujiwara, Tomoko
合成了形状独特的螺吡喃二聚体BIPSD。BIPSD在紫外/可见光和温度变化下表现出螺（Sp）和汞（MC）形式之间的可逆转化。紫外线的过度照射产生MC形式的堆积聚集体，其不溶于大多数溶剂，并且在可见光下缓慢地返回到原始Sp形式。BIPSD−聚合物共轭物表现出类似的光致变色性。
The uniquely shaped spiropyran dimer, BIPSD, has been synthesized. BIPSD showed reversible transformation between spiro (Sp) and merocyanine (MC) forms under UV/visible light and change in temperature. Over-irradiation of UV produced stacking aggregates of MC forms, which were insoluble in most solvents and slowly returned to the original Sp form under the visible light. The BIPSD−polymer conjugates exhibited a similar photochromism.