Production of Ultrafine Single‐Crystal Copper Wires through Electron Beam Irradiation of Cu‐containing Zeolite X
Production of Ultrafine Single‐Crystal Copper Wires through Electron Beam Irradiation of Cu‐containing Zeolite X
复制标题
电子束辐照含铜X沸石制备超细单晶铜线
DOI:
10.1002/zaac.200400419
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发表时间:
2005
期刊:
影响因子:
--
通讯作者:
Wuzong Zhou
中科院分区:
文献类型:
--
作者:
Paul A. Anderson;Michael J. Edmondson;Peter P. Edwards;I. Gameson;P. Jill Meadows;Simon R. Johnson;Wuzong Zhou
We report the controlled synthesis of bare, single-crystal copper nanowires, of high aspect ratio, through electron beam irradiation of copper-containing zeolite X. The precursor material was specially prepared from as-synthesized sodium zeolite X in a two stage process designed to maximize the number of copper ions bound within the zeolite. A high degree of experimental control over the copper wire length, its original location on the host crystallite and the crystal morphology has been achieved through judicious manipulation of the electron beam. Our results confirm that this promising new fabrication technique is not confined to silver but is applicable to other metals, which have previously been difficult to produce by other routes.
Darstellung von Kupfer-Nanodrahten aus Cu-Zeolithen im Elektronenstrahl
Es wird uber die Synthese von einkristallinen Kupfer-Nanodrahten aus Cu-Zeolithen mit hohem Aspektverhaltnis berichtet. Als Ausgangsmaterial dient ein Na-Zeolith, der in einem Zweistufenprozes zu einem Zeolith maximalen Cu-Gehalts uberfuhrt wird. Die Langen der Cu-Nanodrahte, deren Lokalisierung im Zeolith-Gerust und die Kristallmorphologie werden durch Variation des Elektronenstrahls stark beeinflust. Diese Methode ist neben Silber auch auf andere Metalle anwendbar.