| 铜氧团簇负离子的产生 |
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| 引用本文： | 马晨生,李海洋,张晓光,白吉玲,王秀岩,张桂秋,王利,何国钟,楼南泉. 铜氧团簇负离子的产生[J]. 物理化学学报, 1996, 12(2): 185-189. DOI: 10.3866/PKU.WHXB19960220 |
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| 作者姓名： | 马晨生 李海洋 张晓光 白吉玲 王秀岩 张桂秋 王利 何国钟 楼南泉 |
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| 作者单位： | State Key Laboratory of Molecular Reaction Dynamics,Dalian Institute of Chemical Physics,Academia Sinica,Dalian 116023 |
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| 摘 要： | 自Smalley等利用激光蒸发／超声分子束载带（ix／un）法产生c。。问起，这种方法逐渐成为形成高质量气相团簇的常用实验手段，其中分子束载带的主要作用是缓冲气体通过提供三体碰撞稳定动力学激发的团簇并促进高质量团簇的形成．但0’Keef6门和Cre。Sy同的实验发现无需利用缓冲
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| 关 键 词： | 团簇 激光烧蚀 碰撞稳定化作用 铜氧团簇负离子 |
| 收稿时间： | 1995-03-22 |
| 修稿时间： | 1995-08-15 |
Production of Copper Oxide Negative Cluster Ions |
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| Ma Chensheng, Li Haiyang, Zhang Xiaoguang, Bai Jiling, Wang Xiuyan, Zhang GuiqiuWang Li,He Guozhong, Lou Nanquan. Production of Copper Oxide Negative Cluster Ions[J]. Acta Physico-Chimica Sinica, 1996, 12(2): 185-189. DOI: 10.3866/PKU.WHXB19960220 |
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| Authors: | Ma Chensheng Li Haiyang Zhang Xiaoguang Bai Jiling Wang Xiuyan Zhang GuiqiuWang Li He Guozhong Lou Nanquan |
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| Affiliation: | State Key Laboratory of Molecular Reaction Dynamics,Dalian Institute of Chemical Physics,Academia Sinica,Dalian 116023 |
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| Abstract: | Copper oxide cluster ions CunOm n=1-22, m=1-12 are generated by 523 nm laser ablation of CuCO3 solid sample with Time of Flight Mass Spectrometer detection.By changing precursor, we get sbolar TOF MS from Cu(NO3)2 sample, but narrower mass distribution from CuO sample. We suggest that this is caused by collisionally stabilization. Small gas molecules CO2 and NO2, generated by laser ablation of CuCO3 and Cu(NO3)2, act as bther gas in supersonic molecular bearns, and they are helpful for the production of high mass clusters. |
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| Keywords: | Cluster Laser ablation Collsionally stabilization Copper oxide |
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