Abstract
Fourier transform infrared (FTIR) spectroscopy was used to investigate C2H5-Si(111) surfaces prepared using a chlorination/alkylation method. After alkylation, in addition to ethyl groups, such surfaces showed the presence of hydrogen bonded to atop silicon surface atoms. Systematic isotopic substitution of protic solvents and reagents with their fully or partially deuterated counterparts revealed the origin of the surface-bound hydrogen on the C2H5-Si(111) surfaces. The presence or absence of the Si-H stretch at 2080 cm-1 and the Si-D stretch at ∼1510 cm-1, respectively, indicated that the hydrogen originated from the methyl group of the ethyl Grignard reagent.
| Original language | English |
|---|---|
| Pages (from-to) | 15239-15245 |
| Number of pages | 7 |
| Journal | Journal of Physical Chemistry C |
| Volume | 113 |
| Issue number | 34 |
| DOIs | |
| Publication status | Published - Aug 27 2009 |
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ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Electronic, Optical and Magnetic Materials
- Surfaces, Coatings and Films
- Energy(all)
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Infrared vibrational spectroscopy of isotopically labeled ethyl-terminated Si(111) surfaces prepared using a two-step chlorination/alkylation procedure. / Johansson, Erik; Hurley, Patrick T.; Brunschwig, Bruce S.; Lewis, Nathan S.
In: Journal of Physical Chemistry C, Vol. 113, No. 34, 27.08.2009, p. 15239-15245.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Infrared vibrational spectroscopy of isotopically labeled ethyl-terminated Si(111) surfaces prepared using a two-step chlorination/alkylation procedure
AU - Johansson, Erik
AU - Hurley, Patrick T.
AU - Brunschwig, Bruce S.
AU - Lewis, Nathan S
PY - 2009/8/27
Y1 - 2009/8/27
N2 - Fourier transform infrared (FTIR) spectroscopy was used to investigate C2H5-Si(111) surfaces prepared using a chlorination/alkylation method. After alkylation, in addition to ethyl groups, such surfaces showed the presence of hydrogen bonded to atop silicon surface atoms. Systematic isotopic substitution of protic solvents and reagents with their fully or partially deuterated counterparts revealed the origin of the surface-bound hydrogen on the C2H5-Si(111) surfaces. The presence or absence of the Si-H stretch at 2080 cm-1 and the Si-D stretch at ∼1510 cm-1, respectively, indicated that the hydrogen originated from the methyl group of the ethyl Grignard reagent.
AB - Fourier transform infrared (FTIR) spectroscopy was used to investigate C2H5-Si(111) surfaces prepared using a chlorination/alkylation method. After alkylation, in addition to ethyl groups, such surfaces showed the presence of hydrogen bonded to atop silicon surface atoms. Systematic isotopic substitution of protic solvents and reagents with their fully or partially deuterated counterparts revealed the origin of the surface-bound hydrogen on the C2H5-Si(111) surfaces. The presence or absence of the Si-H stretch at 2080 cm-1 and the Si-D stretch at ∼1510 cm-1, respectively, indicated that the hydrogen originated from the methyl group of the ethyl Grignard reagent.
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UR - http://www.scopus.com/inward/citedby.url?scp=69549096053&partnerID=8YFLogxK
U2 - 10.1021/jp901792y
DO - 10.1021/jp901792y
M3 - Article
VL - 113
SP - 15239
EP - 15245
JO - Journal of Physical Chemistry C
JF - Journal of Physical Chemistry C
SN - 1932-7447
IS - 34
ER -