Absorption spectrum,lifetime and reactivity of the excited triplet state of dimesitylcarbene |
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| Affiliation: | 1. School of Chemistry, Dalian University of Technology, Dalian 116023, PR China;2. School of Chemical Engineering, Dalian University of Technology, Dalian 116023, PR China |
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| Abstract: | The first excited triplet state of dimesitylcarbene has been generated in solution at room temperature. It has a lifetime of 60 ns and shows fluorescence with λmax = 501 nm and absorption with λmax = 360 nm. This species is quenched by oxygen and carbon tetrachloride with rate constants of (4.4 ± 0.8) × 1010 and (7.3 ± 0.6) × 109 M−1 s−1, respectively. |
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