Massively cooperative adsorbate-induced surface restructuring and nanocluster formation

被引:45
作者
Driver, Stephen M. [1 ]
Zhang, Tanfu [1 ]
King, David A. [1 ]
机构
[1] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England
关键词
gold; nanostructures; nitrogen oxides; scanning probe microscopy; surface chemistry;
D O I
10.1002/anie.200603325
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Atoms on the move: NO2 lifts the Au{111} herringbone surface reconstruction at 78 K through a massively cooperative restructuring step, which involves on the order of 600 NO2 molecules (blue; see STM image) and 80-100 Au atoms. Mesoscopic island ordering is a precursor to the process, and Au nanoclusters (green/yellow) form as the restructuring proceeds. (Figure Presented). © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:700 / 703
页数:4
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