Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/8247
Title: Photoacoustic Measurements of Porphyrin Triplet-State Quantum Yields and Singlet-Oxygen Efficiencies
Authors: Pineiro, Marta 
Carvalho, Ana L. 
Pereira, Mariette M. 
Gonsalves, A. M. d'A. Rocha 
Arnaut, Luís G. 
Formosinho, Sebastião J. 
Issue Date: 1998
Citation: Chemistry - A European Journal. 4:11 (1998) 2299-2307
Abstract: Photoacoustic calorimetry and luminescence techniques were used to measure singlet oxygen quantum yields (PhiDelta) of selected 5,10,15,20-tetrakis(aryl)porphyrins and of the novel chlorin shown. The use of validated photoacoustic references removes some inconsistencies existing in the literature. Excitation of halogenated porphyrins produces high yields of long-lived triplet states that efficiently transfer their energy to singlet oxygen. A route for red-absorbing, efficient singlet-oxygen photosensitisers is described.
URI: http://hdl.handle.net/10316/8247
DOI: 10.1002/(SICI)1521-3765(19981102)4:11<2299::AID-CHEM2299>3.0.CO;2-H
Rights: openAccess
Appears in Collections:FCTUC Química - Artigos em Revistas Internacionais

Files in This Item:
File Description SizeFormat
obra.pdf205.38 kBAdobe PDFView/Open
Show full item record

SCOPUSTM   
Citations

181
checked on Nov 8, 2019

Page view(s) 50

279
checked on Jan 21, 2020

Download(s) 50

297
checked on Jan 21, 2020

Google ScholarTM

Check

Altmetric

Altmetric


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.