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High-temperature organic reactions at room temperature using plasmon excitation: decomposition of dicumyl peroxide. 2011
Chiara Fasciani, and
Carlos J Bueno Alejo, and
Michel Grenier, and
José Carlos Netto-Ferreira, and
J C Scaiano
Department of Chemistry and Centre for Catalysis Research and Innovation, University of Ottawa, 10 Marie Curie, Ottawa, K1N 6N5, ON, Canada.
Photoexcitation of gold nanoparticles in their plasmon transition around 530 nm provides the means to carry high-energy reactions at room temperature. In the case of dicumyl peroxide (with activation energy of 34.3 kcal/mol) the reaction occurs in less than 1 min under 532 nm laser excitation. The results suggest that the peroxide is exposed to temperatures of ~500 °C for submicrosecond times, and provides a guide as to which type of organic reactions may benefit from plasmon-mediated energy delivery.
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