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Tetraphenylethene end-capped diketopyrrolopyrrole fluorogens with AIE and large two-photon absorption cross-sections features and application in bioimaging
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2016 (English)In: Dyes and pigments, ISSN 0143-7208, E-ISSN 1873-3743, Vol. 133, 201-213 p.Article in journal (Refereed) Published
Abstract [en]

In this work, a series of new diketopyrrolopyrrole-based dyes have been synthesized by connecting tetraphenylethene to the diketopyrrolopyrrole core. All the four compounds exhibit good aggregation induced emission property with nonemissive in the solution but strong red fluorescence in the aggregate or solid state. Also, these new dyes exhibit large two-photon absorption cross sections (a), in which the a data measured by the open aperture Z-scan technique are determined to be 150, 300, 1140 and 1016 GM for four dyes, respectively. In addition, compound with stilbene and four tetraphenylethene units (DPP-TPE-3) was used as the luminogen and encapsulated into nanoparticles for cell imaging and two-photon excited fluorescence blood vessels imaging. The result indicates that it can be used as the effective fluorescence probe for bioimaging and has great potential for bioapplications. (C) 2016 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 133, 201-213 p.
Keyword [en]
Aggregation-induced emission, Two-photon absorption, Tetraphenylethene, Bioimaging
National Category
Chemical Sciences
URN: urn:nbn:se:kth:diva-193161DOI: 10.1016/j.dyepig.2016.05.043ISI: 000381844500026ScopusID: 2-s2.0-84974623745OAI: diva2:1033637

QC 20161007

Available from: 2016-10-07 Created: 2016-09-30 Last updated: 2016-10-07Bibliographically approved

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