REAL-TIME MEASUREMENTS OF THE GAS-PHASE ADSORPTION OF NORMAL-ALKYLTHIOL MONOLAYERS AND MULTILAYERS ON GOLD

被引:152
作者
THOMAS, RC
SUN, L
CROOKS, RM
RICCO, AJ
机构
[1] UNIV NEW MEXICO,DEPT CHEM,ALBUQUERQUE,NM 87131
[2] UNIV NEW MEXICO,CTR HIGH TECHNOL MAT,ALBUQUERQUE,NM 87131
[3] SANDIA NATL LABS,DIV MICROSENSOR 1163,ALBUQUERQUE,NM 87185
关键词
D O I
10.1021/la00052a004
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Results of surface acoustic wave, ellipsometric, and electrochemical experiments indicating that stable mono- or multilayer films result from the gas-phase chemisorption of n-alkylthiol molecules onto Au substrates are reported. Measurement of the mass and thickness of CH3(CH2)6SH films indicates a single, stable monolayer, while CH3(CH2)15SH deposition results in mono- or multilayers depending upon the experimental conditions. The first in situ kinetic measurements of the self-assembly of such layers are also discussed.
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页码:620 / 622
页数:3
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