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Title

Article White Light Emission by Simultaneous One Pot Encapsulation of Dyes into One-Dimensional Channelled Aluminophosphate

AuthorsSola-Llano, Rebeca; Oliden-Sánchez, Ainhoa; Alfayate Lanza, Almudena ; Gómez-Hortigüela Sainz, Luis ; Pérez Pariente, Joaquín ; Arbeloa, Teresa; Hofkens, Johan; Fron, Eduard; Martínez, Virginia
KeywordsDye-guest encapsulation
Zeolite
Microporous aluminophosphates
One-pot synthesis
Hybrid fluorescent system
White light emitter
FRET
Issue Date16-Jun-2020
PublisherMolecular Diversity Preservation International
CitationNanomaterials 2020, 10, 1173
Abstract[EN] By simultaneous occlusion of rationally chosen dyes, emitting in the blue, green and red region of the electromagnetic spectrum, into the one-dimensional channels of a magnesium-aluminophosphate with AEL-zeolitic type structure, MgAPO-11, a solid-state system with e cient white light emission under UV excitation, was achieved. The dyes herein selected—acridine (AC), pyronin Y (PY), and hemicyanine LDS722—ensure overall a good match between their molecular sizes and the MgAPO-11 channel dimensions. The occlusion was carried out via the crystallization inclusion method, in a suitable proportion of the three dyes to render e cient white fluorescence systems by means of fine-tuned FRET (fluorescence resonance energy transfer) energy transfer processes. The FRET processes are thoroughly examined by the analysis of fluorescence decay traces using the femtosecond fluorescence up-conversion technique.
Publisher version (URL)http://dx.doi.org/10.3390/nano10061173
URIhttp://hdl.handle.net/10261/215221
E-ISSN2079-4991
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