ORGANOMETALLIC CHEMICAL-VAPOR-DEPOSITION OF PLATINUM AND GOLD - HETEROGENEOUS DEPOSITION AND SURFACE-CHEMISTRY

被引:10
作者
NORTON, PR [1 ]
YOUNG, PA [1 ]
CHENG, Q [1 ]
DRYDEN, N [1 ]
PUDDEPHATT, RJ [1 ]
机构
[1] UNIV WESTERN ONTARIO, DEPT CHEM, LONDON N6A 5B7, ONTARIO, CANADA
基金
加拿大自然科学与工程研究理事会;
关键词
D O I
10.1016/0039-6028(94)90389-1
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Clean Pt(111) chemisorbs both cis-(CH3)2Pt(CH3NC)2[HPt] and CF3AuCH3NC[FMG]. Ligand-metal bond cleavage occurs even at low temperature, yielding adsorbed CH3NC. Further dissociation of the ligand to H-2 and HCN occurs on heating. On Au, FMG chemisorption again occurs, and desorption of CH3NC is detected, but no H-2 or HCN are formed, consistent with the deposition of pure, C-free Au films. Surface chemistry is completely suppressed on graphitized Pt(111) indicating physisorption of both precursors.
引用
收藏
页码:172 / 176
页数:5
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