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Dehydrogenation of benzene on liquid Al_(100) ~+

机译:液态Al_(100)〜+上苯的脱氢

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摘要

The reactions of benzene on Al_(100) ~+ have been investigated as a function of cluster temperature (300-1100 K) and relative kinetic energy (1-14 eV) by low-energy ion-beam methods and mass spectrometry. Benzene chemisorbs on both solid and liquid aluminum clusters to generate Al_(100)C_6D_6 ~+. A series of Al _(100-n) ~+ (n = 1, 2, 3,...) products was also observed. As the cluster temperature was raised above the melting temperature of Al _(100) ~+, the Al_(100)C_6D_6 ~+ product dehydrogenates to form Al_(100)C_6D _4 ~+, Al_(100)C_6D_2 ~+, and Al_(100)C_6 ~+. The degree of dehydrogenation was measured as a function of temperature. Very little Al _(100)C_6D_2 ~+ was observed, suggesting that the losses of the second and third D_2 molecules are coordinated.
机译:通过低能离子束法和质谱法研究了苯在Al_(100)〜+上的反应与团簇温度(300-1100 K)和相对动能(1-14 eV)的关系。苯化学吸附在固态和液态铝簇上,生成Al_(100)C_6D_6〜+。还观察到一系列的Al _(100-n)〜+(n = 1,2,3,...)产物。随着团簇温度升高到高于Al _(100)〜+的熔融温度,Al_(100)C_6D_6〜+产物脱氢形成Al_(100)C_6D _4〜+,Al_(100)C_6D_2〜+和Al_ (100)C_6〜+。测定脱氢度与温度的关系。观察到非常少的Al _(100)C_6D_2〜+,表明第二和第三D_2分子的损失是协调的。

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