Methyl Termination and ATR-FTIR Evaluation of n-Si(111) Electrode towards Photoelectrochemical Cell Fabrication ()
ABSTRACT
We confirmed methyl termination on
n-Si(111) surface by ATR-FTIR measurement, which was fabricated by a photo
chloro-reaction and its methylation. The coverage of the methylation was about
63.7%, and the surface was not re-terminated by hydrogen. Photoelectrochemical properties of the n-Si(111) were measured as an electrode for a photoelectrochemical cell, and an onset
potential obtaining photocurrent for the methyl terminated n-Si(111) electrode
was observed as
negative shift at 70 mV comparing with that of the hydrogen terminated
n-Si(111) electrode. Therefore, the negative shift would be expected for
improving open circuit voltage towards solar cell.
Share and Cite:
Ohtake, T. (2013) Methyl Termination and ATR-FTIR Evaluation of n-Si(111) Electrode towards Photoelectrochemical Cell Fabrication.
Journal of Surface Engineered Materials and Advanced Technology,
3, 169-171. doi:
10.4236/jsemat.2013.33022.
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