1篇
您的检索式：作者名="R.Graham Cooks"
|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Abundant Production of Reactive Water Radical Cations under Ambient Conditions显示文摘Water radical cations,the crucial intermediates in many aqueous reactions and biochemical processes,are difficult to investigate experimentally due to their short lifetime andlowabundance.Herein,ahomemade device based on energy-tunable discharge was employed to deposit suitable amounts of energy to atmospheric pressure pure water vapor for abundant production of water radical cations,stabilized as(H_(2)O)n^(+·)(n=2-5)with a maximal abundance of≥8.3×10^(6) cps for(H_(2)O)_(2)^(+·),characterized by mass spectrometry(MS).The abundance of water radical cations was optimized by adjusting the experimental parameters such as the discharge voltage(2.5 kV),temperature of the MS inlet(140℃),carrier gas flow(20mL/min),and the distance between the discharge tip and MS inlet(12 mm).The ambient formation of water radical cationswas further confirmedby thehigh reactivity of as-prepared water radical cations,which reacted with benzene,ethyl acetate,and dimethyl disulfide instantly,showing rich chemistry with ionic and radical characteristics.Moreover,the computations usingCCSD(T)//MP2 method and density functional theory confirmed that the O-O single-electron bound dimer(B),as well as the hydronium hydroxyl radical complex(A),accounted for the unusual chemistry of the water radical cations,providing a facile approach to access the high reactivity ofwater radical cations under the ambient conditions. | Meng Wang Xiao-Fei Gao Rui Su Peng He Yuan-Yuan Cheng Ke Li Dongbo Mi Xiaoping Zhang Xinglei Zhang Huanwen Chen R.Graham Cooks | 2022 | CCS Chemistry2022，4，4： | 3 |
您所在的机构暂未开通此部分的功能，请联系管理员