Selected Reactive Sites Tuned by High Pressure: Oligomerization of Solid-State Cyanamide
Dai, YX; Wang, K; Yuan, HS; Meng, X; Luo, K; Yu, DL; Liu, J; Zhang, X; Ma, YG; Tian, YJ; Zou, B; Liu J(刘景)
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2015
卷号119期号:23页码:12801-12807
学科分类Chemistry; Science & Technology - Other Topics; Materials Science
DOI10.1021/acs.jpcc.5b01105
文章类型Article
英文摘要We studied high-pressure reaction of solid cyanamide in a diamond anvil cell up to a pressure of 21.7 GPa. The results of in situ high-pressure Raman spectroscopy and angle-dispersive X-ray diffraction experiments indicated the occurrence of pressure-induced oligomerization in cyanamide over 13 GPa. The Raman, NMR, and UV absorption spectra of recovered samples confirmed that the chemical reaction was irreversible and that the high-pressure products contained C=N bonds. Subsequently, results of kinetic studies showed the relation between pressure and the reaction rate. Meanwhile dependence of activation volume with pressure indicated that the steric factors affected the reaction. Additionally, the increase in the amount of CC bonds of recovered samples was attributed to the change of reactive sites of adjacent C N groups. These results suggest that the application of pressure can tune both the reactive sites and the reaction rate to affect oligomerization and even other chemical reactions.
类目[WOS]Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
收录类别SCI ; EI
WOS记录号WOS:000356317500003
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228632
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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Dai, YX,Wang, K,Yuan, HS,et al. Selected Reactive Sites Tuned by High Pressure: Oligomerization of Solid-State Cyanamide[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2015,119(23):12801-12807.
APA Dai, YX.,Wang, K.,Yuan, HS.,Meng, X.,Luo, K.,...&刘景.(2015).Selected Reactive Sites Tuned by High Pressure: Oligomerization of Solid-State Cyanamide.JOURNAL OF PHYSICAL CHEMISTRY C,119(23),12801-12807.
MLA Dai, YX,et al."Selected Reactive Sites Tuned by High Pressure: Oligomerization of Solid-State Cyanamide".JOURNAL OF PHYSICAL CHEMISTRY C 119.23(2015):12801-12807.
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