期刊
CHEMISTRY OF MATERIALS
卷 27, 期 11, 页码 4099-4104出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemmater.5b01158
关键词
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资金
- National Natural Science Foundation of China [21271135]
- Soochow University [Q410900712]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD), Young Thousand Talented Program
We herein present the first case of energy transfer process in an inorganic chalcogenide-based semiconductor zeolite material (coded as RWY) serving as UV-vis light-harvesting host. A multistep vectorial energy transfer assay was fabricated by encapsulating acridine orange (AO) molecules into the RWY porous framework and further covering the formed capsules with rhodamine B (RhB) molecules. The UV high-energy excitations absorbed by RWY host were channeled to AO molecules and then onto RhB molecules to give rise to visible-light emission. The steady-state fluorescence and confocal microscope as well as fluorescent dynamics of emission reveal successfully the process of multistep vectorial energy transfer. This inorganic-host-involved energy transfer process has never been observed in an insulating oxide-based zeolite host system. Therefore, chalcogenide-based semiconductor zeolites could be a class of promising host materials to be further explored in the field of energy transfer and electron transfer between inorganic host and organic guest.
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