Mechanism of Reaction and Photoacid Generation of N-Oxysuccinimidoarylsulfonate PAGs: A Laser Flash Photolytic Study
1
Department of Chemistry, University of Ottawa, Ottawa, Canada K1N 6N5, St. Jean Photochemicals, Inc., St. Jean sur Richelieu, Quebec, Canada J3B 8J8, and Shipley Company, Inc., R&D, Marlborough, Massachusetts 01752-3092
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Publication type: Journal Article
Publication date: 2001-06-09
scimago Q1
wos Q1
SJR: 2.065
CiteScore: 12.0
Impact factor: 7.0
ISSN: 08974756, 15205002
Materials Chemistry
General Chemistry
General Chemical Engineering
Abstract
The photochemical behavior of four N-oxysuccinimidoarylsulfonate photoacid generators (PAGs), 1-[[phenylsulfonyl]oxy]- (PSPD), 1-[[(4-methylphenyl)sulfonyl]oxy]- (MSPD), 1-[[(4-fluorophenyl)sulfonyl]oxy]- (FSPD), 1-[[(4-chlorophenyl)sulfonyl]oxy]-2,5-pyrrolidinedione (CSPD), has been studied by means of nanosecond laser flash photolysis (λexc = 266 nm) and steady-state photolysis (λexc = 254 nm) with the aim of understanding the reaction mechanism and, particularly, photoacid generation pathways and efficiency in the deep UV region. Upon photoexcitation, the formation of arylsulfonyl radicals and their subsequent desulfonylation were detected for the four PAGs. In oxygen-saturated solution, the generation of the corresponding arylperoxy radicals was also observed. Photoacid generation quantum yields upon laser excitation were found to range from 0.04 to 0.05. Product studies following steady-state irradiations reveal that acid generation is dominated by the formation of sulfonic acids.
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Ortica F. et al. Mechanism of Reaction and Photoacid Generation of N-Oxysuccinimidoarylsulfonate PAGs: A Laser Flash Photolytic Study // Chemistry of Materials. 2001. Vol. 13. No. 7. pp. 2297-2304.
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Ortica F., Coenjarts C., Scaiano J., Liu H., Pohlers G., Cameron J. Mechanism of Reaction and Photoacid Generation of N-Oxysuccinimidoarylsulfonate PAGs: A Laser Flash Photolytic Study // Chemistry of Materials. 2001. Vol. 13. No. 7. pp. 2297-2304.
Cite this
RIS
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TY - JOUR
DO - 10.1021/cm000609z
UR - https://doi.org/10.1021/cm000609z
TI - Mechanism of Reaction and Photoacid Generation of N-Oxysuccinimidoarylsulfonate PAGs: A Laser Flash Photolytic Study
T2 - Chemistry of Materials
AU - Ortica, F.
AU - Coenjarts, C
AU - Scaiano, J.C.
AU - Liu, H.
AU - Pohlers, G.
AU - Cameron, J.F.
PY - 2001
DA - 2001/06/09
PB - American Chemical Society (ACS)
SP - 2297-2304
IS - 7
VL - 13
SN - 0897-4756
SN - 1520-5002
ER -
Cite this
BibTex (up to 50 authors)
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@article{2001_Ortica,
author = {F. Ortica and C Coenjarts and J.C. Scaiano and H. Liu and G. Pohlers and J.F. Cameron},
title = {Mechanism of Reaction and Photoacid Generation of N-Oxysuccinimidoarylsulfonate PAGs: A Laser Flash Photolytic Study},
journal = {Chemistry of Materials},
year = {2001},
volume = {13},
publisher = {American Chemical Society (ACS)},
month = {jun},
url = {https://doi.org/10.1021/cm000609z},
number = {7},
pages = {2297--2304},
doi = {10.1021/cm000609z}
}
Cite this
MLA
Copy
Ortica, F., et al. “Mechanism of Reaction and Photoacid Generation of N-Oxysuccinimidoarylsulfonate PAGs: A Laser Flash Photolytic Study.” Chemistry of Materials, vol. 13, no. 7, Jun. 2001, pp. 2297-2304. https://doi.org/10.1021/cm000609z.