Direct time-resolved detection of singlet oxygen in zeolite-based photocatalysts

Bogdan Cojocaru; Marie Laferrière; Esther Carbonell Llopis; Vasile Parvulescu; Hermenegildo García; J. C. Scaiano

doi:10.1021/la800441n

Direct time-resolved detection of singlet oxygen in zeolite-based photocatalysts

Bogdan Cojocaru, Marie Laferrière, Esther Carbonell Llopis, Vasile Parvulescu, Hermenegildo García, J. C. Scaiano

Research output: Contribution to journal › Article › peer-review

Abstract

Singlet oxygen has been characterized spectroscopically as a product of the exposure of suspensions of zeolites containing oxidation catalysts. Spectroscopic and lifetime studies show that a part of the singlet oxygen formed reacts within the zeolite porous structure, while a significant fraction escapes and becomes available for reaction in the bulk media. The liquid phase plays a key role in determining intra- and extracavity dynamics.

Original language	English
Pages (from-to)	4478-4481
Number of pages	4
Journal	Langmuir
Volume	24
Issue number	9
DOIs	https://doi.org/10.1021/la800441n
Publication status	Published - 6 May 2008
Externally published	Yes

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abstract = "Singlet oxygen has been characterized spectroscopically as a product of the exposure of suspensions of zeolites containing oxidation catalysts. Spectroscopic and lifetime studies show that a part of the singlet oxygen formed reacts within the zeolite porous structure, while a significant fraction escapes and becomes available for reaction in the bulk media. The liquid phase plays a key role in determining intra- and extracavity dynamics.",

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AU - Cojocaru, Bogdan

AU - Laferrière, Marie

AU - Carbonell Llopis, Esther

AU - Parvulescu, Vasile

AU - García, Hermenegildo

AU - Scaiano, J. C.

PY - 2008/5/6

Y1 - 2008/5/6

N2 - Singlet oxygen has been characterized spectroscopically as a product of the exposure of suspensions of zeolites containing oxidation catalysts. Spectroscopic and lifetime studies show that a part of the singlet oxygen formed reacts within the zeolite porous structure, while a significant fraction escapes and becomes available for reaction in the bulk media. The liquid phase plays a key role in determining intra- and extracavity dynamics.

AB - Singlet oxygen has been characterized spectroscopically as a product of the exposure of suspensions of zeolites containing oxidation catalysts. Spectroscopic and lifetime studies show that a part of the singlet oxygen formed reacts within the zeolite porous structure, while a significant fraction escapes and becomes available for reaction in the bulk media. The liquid phase plays a key role in determining intra- and extracavity dynamics.

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DO - 10.1021/la800441n

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SP - 4478

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JO - Langmuir

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Direct time-resolved detection of singlet oxygen in zeolite-based photocatalysts

Abstract

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