Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/27926
Title: Octatosylaminophthalocyanine: a reusable chromogenic anion chemosensor
Authors: Farinha, Andreia S. F. 
Calvete, Mário J. F. 
Paz, Filipe A. Almeida 
Tomé, Augusto C. 
Cavaleiro, José A. S. 
Sessler, Jonathan L. 
Tomé, João P. C. 
Keywords: Anion binding; Phthalocyanines; Chromogenic chemosensors; Anionic coordination; Reversible sensors
Issue Date: 1-Oct-2014
Publisher: Elsevier
Citation: FARINHA, Andreia S. F. [et. al] - Octatosylaminophthalocyanine: a reusable chromogenic anion chemosensor. "Sensors and Actuators B: Chemical". ISSN 0925-4005. Vol. 201 (2014) p. 387–394
Serial title, monograph or event: Sensors and Actuators B: Chemical
Volume: 201
Abstract: Detailed herein is the use of 2,3,9,10,16,17,23,24-octatosylaminophthalocyanine as a chromogenic chemosensor for anions. The host:guest complexes formed during the sensing event can be regenerated by acid treatment without loss of the sensing ability. This allows the phthalocyanine chemosensor to be reused. This system also responds in a colorimetric manner when exposed to the neutral solvent molecules, dimethyl sulfoxide and methanol. A single-crystal X-ray structure of the Pc 1:2 MeOH complex was obtained. It illustrates the main interactions between the host:guest species in the solid state. Fits of the binding curves are consistent with this stoichiometry predominating in the solution state.
URI: http://hdl.handle.net/10316/27926
ISSN: 0925-4005
DOI: 10.1016/j.snb.2014.03.115
Rights: openAccess
Appears in Collections:FCTUC Química - Artigos em Revistas Internacionais

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