Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 115, Issue 20, Pages 9903-9908Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp2008418
Keywords
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Funding
- Air Force Office of Scientific Research [FA9550-10-1-0071 (PSU), 2303EP4 (AFRL)]
- Institute for Scientific Research of Boston College [FA8718-04-C-0055]
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Recently, it was discovered that specific aluminum clusters (e.g., Al-13(-)) that demonstrate enhanced resistance to reactivity with oxygen may do so not only because of a closed electronic jellium shell as originally supposed but also because of a forbidden spin-flip in the transition state of the reaction. Herein, we discuss an experiment using a multiple-species laminar flow reaction vessel coupled to a singlet oxygen generator. The present results suggest that all clusters react with singlet oxygen. Additionally, we observe Al-9(-), a cluster previously unidentified as having any notable stability, as being resistant to reaction with triplet oxygen. Furthermore, we discuss a means of estimating rate constants in a multiple-species flow tube where the products and reactants do not allow the use of traditional methods.
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