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題 名 | 新世代載體觸媒製造利器--Atomic Layer Epitax=Atomic Layer Epitaxy--A New Route for Preparing Molecule Designed Catalysts |
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作 者 | 姚品全; | 書刊名 | 化工資訊月刊 |
卷 期 | 15:6 2001.06[民90.06] |
頁 次 | 頁8-11 |
分類號 | 468.8 |
關鍵詞 | 載體觸媒; 原子磊晶成長技術; Atomic layer epitax; |
語 文 | 中文(Chinese) |
英文摘要 | The trend in heterogeneous catalysts preparation is now focusing on developing the surface-controlled highly tailored catalytic active species. The difficulty in preparing the well-defined surface structures by conventional impregnation has been overcome by surface processing technique for single crystal--atomic layer epitaxy (ALE). By using of slef- limited surface saturation mechanisms, the sequential introduction of metal precursors interact with the surface hydroxy groups on supports by chemisorption. The so-called ALE catalysts are highly dispersive and in many cases, have been shown to be more active and selective. |
本系統中英文摘要資訊取自各篇刊載內容。