کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5468553 1519048 2017 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Research paperControlled formation of pseudoisocyanine J-aggregates in the interlayer space of synthetic saponite
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات ژئوشیمی و پترولوژی
پیش نمایش صفحه اول مقاله
Research paperControlled formation of pseudoisocyanine J-aggregates in the interlayer space of synthetic saponite
چکیده انگلیسی


- Photonic properties of pseudoisocyanine cation/saponite films were investigated.
- The J-aggregate formation was enhanced after swelling with dimethyl sulfoxide.
- The monomeric form can be restored after removal of dimethyl sulfoxide.

In presented work dye assemblies with J-type intermolecular coupling, which are well recognized not only for their exciton transport but also for hole and electron transport properties were investigated. The use of materials consisting of J-type dye assemblies can be significantly enhanced if their photonic properties can be controlled by some external stimuli. For these reasons the switching abilities between J-type aggregated and non-aggregated states of a cationic cyanine dye, 1,1′-diethyl-2,2′-cyanine (pseudoisocyanine, PIC) intercalated in the interlayer space of synthetic saponite (Sap) were compared. The switching was performed by adding and removing of dimethyl sulfoxide (DMSO) from the interlayer space. The PIC/Sap hybrid film prepared at 70% CEC loading level has shown excellent stability within 20 cycles of photophysical response after adding and removing of DMSO from the interlayer space, indicating that presented experimental approach can be useful in the future development of artificial light harvesting or semiconductor systems with controllable properties.

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ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Clay Science - Volume 140, May 2017, Pages 119-123
نویسندگان
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