Fluorescent colour modulation in Zn(II)-based metallo-supramolecular polymer films by electronic-state control of the ligand

A series of Zn(II)-based metallo-supramolecular polymers were prepared by 1 : 1 complexation of Zn(ClO4)2 and bis(terpyridine)s with electron-donating (alkoxy) or electron-withdrawing (cyano) groups at the 6-position of the peripheral pyridine moiety. The Zn(II)-based polymers displayed relatively h...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2013-12, Vol.42 (45), p.16036-16042
Main Authors: Sato, Takashi, Pandey, Rakesh K, Higuchi, Masayoshi
Format: Article
Language:English
Subjects:
Color
Colour
Complexation
Electrons
Fluid flow
Ligands
Luminescence
Modulation
Organometallic Compounds - chemistry
Polymeric films
Polymers - chemistry
Pyridines
Pyridines - chemistry
Zinc - chemistry
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Summary:A series of Zn(II)-based metallo-supramolecular polymers were prepared by 1 : 1 complexation of Zn(ClO4)2 and bis(terpyridine)s with electron-donating (alkoxy) or electron-withdrawing (cyano) groups at the 6-position of the peripheral pyridine moiety. The Zn(II)-based polymers displayed relatively high quantum yields (ΦPL = 0.68-0.76) in solution at room temperature. More importantly, they showed different luminescent colours of blue, cyan, and green in the film state, because of the large Stokes shift caused by the substituent effect of the ligand.
ISSN:1477-9226
1477-9234
DOI:10.1039/c3dt51354h