Synthesis of sulfur films from S-2 gas: Spectroscopic evidence for the formation of S-n species

被引:32
作者
Hrbek, J
Li, SY
Rodriguez, JA
vanCampen, DG
Huang, HH
Xu, GQ
机构
[1] BROOKHAVEN NATL LAB,NATL SYNCHROTRON LIGHT SOURCE DEPT,UPTON,NY 11973
[2] NATL UNIV SINGAPORE,DEPT CHEM,SINGAPORE 119260,SINGAPORE
关键词
PHASE-DIAGRAM; ADSORPTION; RU(001); MO(110); METALS;
D O I
10.1016/S0009-2614(97)00069-9
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
Thin films of molecular sulfur were prepared by the deposition of S-2 gas from an electrochemical doser on single crystal metal surfaces kept at temperatures below 250 K. These films were characterized by XPS, UPS, TDS and IRAS, and were found to be stable up to 390 K even under UHV conditions. Cyclooctasulfur S-8 was identified as one of the sulfur molecules present.
引用
收藏
页码:65 / 71
页数:7
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