Abstract
The reaction chemistry of H-terminated (111)-oriented Si surfaces has been explored in the presence of one-electron oxidants in alcohol solvents. Similar chemistry was observed for Si surfaces exposed to methanolic solutions of ferrocenium tetrafluoroborate or to methanolic solutions of I2, as well as for Si electrodes that were subjected to anodic electrochemical oxidation processes in methanol. Oxidation in alcohols activates the surficial Si-H bond toward nucleophilic attack, producing alkoxylated surfaces. This mechanism for Si-H activation is supported by infrared spectroscopy, temperature-programmed desorption spectroscopy, and by X-ray photoelectron spectroscopic studies of this system. These data explain a variety of observations regarding the surface chemistry and electrochemistry of Si electrodes and surfaces.
| Original language | English |
|---|---|
| Pages (from-to) | 9947-9950 |
| Number of pages | 4 |
| Journal | Journal of Physical Chemistry B |
| Volume | 104 |
| Issue number | 43 |
| Publication status | Published - Nov 2 2000 |
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ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Engineering(all)
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Electrochemical and electrical behavior of (111)-oriented Si surfaces alkoxylated through oxidative activation of Si-H bonds. / Haber, Joel A.; Lauermann, Iver; Michalak, David; Vaid, Thomas P.; Lewis, Nathan S.
In: Journal of Physical Chemistry B, Vol. 104, No. 43, 02.11.2000, p. 9947-9950.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Electrochemical and electrical behavior of (111)-oriented Si surfaces alkoxylated through oxidative activation of Si-H bonds
AU - Haber, Joel A.
AU - Lauermann, Iver
AU - Michalak, David
AU - Vaid, Thomas P.
AU - Lewis, Nathan S
PY - 2000/11/2
Y1 - 2000/11/2
N2 - The reaction chemistry of H-terminated (111)-oriented Si surfaces has been explored in the presence of one-electron oxidants in alcohol solvents. Similar chemistry was observed for Si surfaces exposed to methanolic solutions of ferrocenium tetrafluoroborate or to methanolic solutions of I2, as well as for Si electrodes that were subjected to anodic electrochemical oxidation processes in methanol. Oxidation in alcohols activates the surficial Si-H bond toward nucleophilic attack, producing alkoxylated surfaces. This mechanism for Si-H activation is supported by infrared spectroscopy, temperature-programmed desorption spectroscopy, and by X-ray photoelectron spectroscopic studies of this system. These data explain a variety of observations regarding the surface chemistry and electrochemistry of Si electrodes and surfaces.
AB - The reaction chemistry of H-terminated (111)-oriented Si surfaces has been explored in the presence of one-electron oxidants in alcohol solvents. Similar chemistry was observed for Si surfaces exposed to methanolic solutions of ferrocenium tetrafluoroborate or to methanolic solutions of I2, as well as for Si electrodes that were subjected to anodic electrochemical oxidation processes in methanol. Oxidation in alcohols activates the surficial Si-H bond toward nucleophilic attack, producing alkoxylated surfaces. This mechanism for Si-H activation is supported by infrared spectroscopy, temperature-programmed desorption spectroscopy, and by X-ray photoelectron spectroscopic studies of this system. These data explain a variety of observations regarding the surface chemistry and electrochemistry of Si electrodes and surfaces.
UR - http://www.scopus.com/inward/record.url?scp=0034320835&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0034320835&partnerID=8YFLogxK
M3 - Article
VL - 104
SP - 9947
EP - 9950
JO - Journal of Physical Chemistry B Materials
JF - Journal of Physical Chemistry B Materials
SN - 1520-6106
IS - 43
ER -