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1994•Journal of the Chemical Society Faraday TransactionsRequires access

Chemiluminescent reaction of oxygen atoms with dimethyl disulfide and dimethyl sulfide

U.B. Pavanaja, Hari P. Upadhyaya, A. V. Sapre, K. V. S. Rama Rao, Jai P. Mittal

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Abstract

Broad chemiluminescence spectra in the range 240–460 nm with a sharp peak at 308.5 nm are obtained from the reaction between oxygen atoms [O(3P)] with dimethyl disulfide (DMDS) and dimethyl sulfide (DMS). The emitting species are identified as OH (A2Σ+) and SO2(3B, 1B). The photon yields are found to be 3.3 × 10–6 and 4.4 × 10–6 for DMDS and DMS, respectively. Computer simulations were carried out to elucidate the reaction mechanism.

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What this paper is about

Broad chemiluminescence spectra in the range 240–460 nm with a sharp peak at 308.5 nm are obtained from the reaction between oxygen atoms [O(3P)] with dimethyl disulfide (DMDS) and dimethyl sulfide (DMS). The emitting species are identified as OH (A2Σ+) and SO2(3B, 1B). The photon yields are found to be 3.3 × 10–6 and 4.4 × 10–6 for DMDS and DMS, respectively. Computer simulations were carried out to elucidate the reaction mechanism.

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Available abstract

Broad chemiluminescence spectra in the range 240–460 nm with a sharp peak at 308.5 nm are obtained from the reaction between oxygen atoms [O(3P)] with dimethyl disulfide (DMDS) and dimethyl sulfide (DMS). The emitting species are identified as OH (A2Σ+) and SO2(3B, 1B). The photon yields are found to be 3.3 × 10–6 and 4.4 × 10–6 for DMDS and DMS, respectively. Computer simulations were carried out to elucidate the reaction mechanism.

Key concepts: Dimethyl sulfide, Dimethyl disulfide, Chemiluminescence, Chemistry, Photochemistry, Oxygen, Disulfide bond, Sulfur

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