Upon excitation of porphyrin or perylene subunit, the porphyrin-perylene dyad exhibitsreversible fluorescence emitting and quenching by formation and neutralization of the protonatedporphyrin subunit, thereby providin...Upon excitation of porphyrin or perylene subunit, the porphyrin-perylene dyad exhibitsreversible fluorescence emitting and quenching by formation and neutralization of the protonatedporphyrin subunit, thereby providing a prototype of molecular fluorescence switch working in anexpanded spectral range.展开更多
Highly stable monolayers of 2,9,16,23-tetracarboxyl phthalocyanine on 3-aminopropyl -triethoxysilane (ATS) modified silicon and quartz substrates were prepared by reaction of carboxyl and amine. The monolayers were ch...Highly stable monolayers of 2,9,16,23-tetracarboxyl phthalocyanine on 3-aminopropyl -triethoxysilane (ATS) modified silicon and quartz substrates were prepared by reaction of carboxyl and amine. The monolayers were characterized by UV-Vis spectra and AFM measurements. The results indicated that the ultra-thin films on silicon or quartz were smooth, and the ordered structures were observed in these films.展开更多
基金This research was supported by the National Natural Science Foundation of China(Grant No.50073018)the authors are also thankful to the support from the Key Laboratory of Supramolecular Structure and Materials in Jilin University.
文摘Upon excitation of porphyrin or perylene subunit, the porphyrin-perylene dyad exhibitsreversible fluorescence emitting and quenching by formation and neutralization of the protonatedporphyrin subunit, thereby providing a prototype of molecular fluorescence switch working in anexpanded spectral range.
文摘Highly stable monolayers of 2,9,16,23-tetracarboxyl phthalocyanine on 3-aminopropyl -triethoxysilane (ATS) modified silicon and quartz substrates were prepared by reaction of carboxyl and amine. The monolayers were characterized by UV-Vis spectra and AFM measurements. The results indicated that the ultra-thin films on silicon or quartz were smooth, and the ordered structures were observed in these films.
