A rigid supramolecular polymer was constructed in aqueous solution via cucurbit[8]uril （CB[8]） host recognition with a rigid monomer containing an azobenzene unit and two 4,4＇-bipyridin-l-ium （BP） moieties in the...A rigid supramolecular polymer was constructed in aqueous solution via cucurbit[8]uril （CB[8]） host recognition with a rigid monomer containing an azobenzene unit and two 4,4＇-bipyridin-l-ium （BP） moieties in the two ends, which also exhibited photo-responsiveness owing to the photoinduced trans- cis ~somerization of azobenzene group.展开更多
A series of bisthienylethenes containing imidazole and imidazolium derivatives have been prepared and the products have been characterized by means of NMR and MS.Their photochromic and fluorescent switch properties ha...A series of bisthienylethenes containing imidazole and imidazolium derivatives have been prepared and the products have been characterized by means of NMR and MS.Their photochromic and fluorescent switch properties have been investigated by UV–vis absorption spectra and fluorescence spectra.The fluorescent emissions of these kinds of photochromic compounds can be simply modulated by varying the imidazole groups,which shows that these compounds may have potential application in the design of fluorescent photochromic materials.展开更多
基金financially supported by NNSFC (Nos. 21190033, 21272072, 21476075 and 21372076)the National Basic Research 973 Program (No. 2011CB808400)+1 种基金the Shanghai Pujiang Program (No. 13PJD011)the Fundamental Research Funds for the Central Universities
文摘A rigid supramolecular polymer was constructed in aqueous solution via cucurbit[8]uril （CB[8]） host recognition with a rigid monomer containing an azobenzene unit and two 4,4＇-bipyridin-l-ium （BP） moieties in the two ends, which also exhibited photo-responsiveness owing to the photoinduced trans- cis ~somerization of azobenzene group.
基金financially supported by National Basic Research 973 Program (No. 2013CB733700)National Natural Science Foundation of China (Nos. 21190033, 21302056 and 21072058)the Open Foundation of State Key Laboratory of Electronic Thin Films and Integrated Devices (No. KFJJ201311)
文摘A series of bisthienylethenes containing imidazole and imidazolium derivatives have been prepared and the products have been characterized by means of NMR and MS.Their photochromic and fluorescent switch properties have been investigated by UV–vis absorption spectra and fluorescence spectra.The fluorescent emissions of these kinds of photochromic compounds can be simply modulated by varying the imidazole groups,which shows that these compounds may have potential application in the design of fluorescent photochromic materials.
