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| 原子尺度上的异质催化 | |
| 引用本文： | 路军岭,高鸿钧,时东霞. 原子尺度上的异质催化[J]. 物理, 2007, 36(5): 370-376 |
| 作者姓名： | 路军岭 高鸿钧 时东霞 |
| 作者单位： | 1. 中国科学院物理研究所,北京凝聚态物理国家实验室,北京,100080;Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany 2. 中国科学院物理研究所,北京凝聚态物理国家实验室,北京,100080 3. Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany |
| 基金项目： | 国家自然科学基金;国家重点基础研究发展计划(973计划);国家高技术研究发展计划(863计划) |
| 摘 要： | 现实中的催化剂是个相当复杂的系统体系，且为粉末状，限制了多种表面科学表征手段的应用,科学家通过建立简化的催化剂模型，充分利用目前多种有力的科技分析手段，如扫描隧道显微镜（STM）、透射电镜（TEM）、光电子能谱（XPS）、傅里叶变换红外吸收谱（FTIR）、电子能量损失谱（EELS）等，直观地在原子尺度上研究催化反应的机理，从而使得人们能够设计出选择性能更高、催化性能更好的催化剂． |
| 关 键 词： | 异质催化剂模型 扫描隧道显微镜(STM) 光电子能谱(XPS) 傅里叶变换红外吸收谱(FTIR) 纳米颗粒 氧化物薄膜 |
| 修稿时间： | 2007-01-262007-03-15 |
Heterogeneous catalysis on an atomic scale |
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| LU Jun-Ling,GAO Hong-Jun,SHI Dong-Xia,Shamil Shaikhutdinov,Hans-Joachim Freund. Heterogeneous catalysis on an atomic scale[J]. Physics, 2007, 36(5): 370-376 | |
| Authors: | LU Jun-Ling GAO Hong-Jun SHI Dong-Xia Shamil Shaikhutdinov Hans-Joachim Freund |
| Affiliation: | 1 Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;2 Fritz-Haber-lnstitut der Max-Planck-Gesellschafi , Faradayweg 4-6, 14195 Berlin, Germany |
| Abstract: | A basic understanding of the relationship between structure and reactivity is needed for a targeted catalyst development scheme. Due to the complexity of real heterogeneous catalysts it is imperative to simplify the problem in a way such that an essential part of the complexity is included, while allowing one to investigate the catalyst system at the atomic level. Two models have been used, one is a metal single crystal in ultra - high vacuum conditions, and the other is metal clusters supported on planar oxide films under the same and also ambient conditions. |
| Keywords: | heterogeneous model catalyst scanning tunneling microscopy (STM) X-ray photoelectron spectroscopy (XPS) Fourier transform infrared spectroscopy (FTIR) metal clusters oxide films |
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