SURFACE-ENHANCED RAMAN-SPECTROSCOPY OF MASS-SELECTED CARBON CLUSTERS DEPOSITED ON SILVER SURFACES

被引:14
作者
HASLETT, TL [1 ]
FEDRIGO, S [1 ]
MOSKOVITS, M [1 ]
机构
[1] ONTARIO LASER & LIGHTWAVE RES CTR,TORONTO,ON M5S 1A1,CANADA
关键词
D O I
10.1063/1.470197
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
Mass-selected C, C-2, and C-4 cations were ''soft-landed'' on cold-deposited Ag films and the SERS spectra of the resulting deposits measured as a function of coverage. Very little amorphous or graphitic carbon formation was observed even at similar to 1 monolayer coverage. A band at 760 cm(-1) observed only for deposited C+ and C-2(+) is assigned to isolated Ag-C moieties. A band at 2010 cm(-1) is ascribed to a cluster or clusters larger than C-3. (C) 1995 American Institute of Physics.
引用
收藏
页码:7815 / 7819
页数:5
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