Twisted Schiff-base macrocycle showing excited-state intramolecular proton-transfer (ESIPT): assembly and sensing properties

A Schiff-base macrocyclic host (MH) showing ESIPT and AIEE is reported for the first time; the fluorescent macrocycle exhibited good pH tolerance and could serve as a probe for Cu 2+ and Fe 3+ ion sensing and removal. In addition, a series of size-tunable nanoparticles was fabricated by the self-ass...

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Published inChemical communications (Cambridge, England) Vol. 56; no. 15; pp. 234 - 237
Main Authors Yu, Qing, Zhang, Xiaodong, Wu, Shou-Ting, Chen, Huaiyu, Zhang, Qi-Long, Xu, Hong, Huang, Ya-Li, Zhu, Bi-Xue, Ni, Xin-Long
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 20.02.2020
Subjects
Coordination compounds
Copper
Crystallography
Ferric ions
Fluorescence
Imines
Nanoparticles
Self-assembly
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Summary:A Schiff-base macrocyclic host (MH) showing ESIPT and AIEE is reported for the first time; the fluorescent macrocycle exhibited good pH tolerance and could serve as a probe for Cu 2+ and Fe 3+ ion sensing and removal. In addition, a series of size-tunable nanoparticles was fabricated by the self-assembly of free MH and its coordination complex with Fe 3+ in THF/water solution. A Schiff-base macrocyclic host showing ESIPT-based AIEE and nanoparticle assembly.
Bibliography:For ESI and crystallographic data in CIF or other electronic format see DOI
1969906
Electronic supplementary information (ESI) available: UV-vis and fluorescence spectra, X-ray structure, SEM and TEM. CCDC
10.1039/c9cc09540c
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc09540c