TY - JOUR
T1 - Novel SiO 2-deposited CaF 2 substrate for vibrational sum-frequency generation (SFG) measurements of chemisorbed monolayers in an aqueous environment
AU - Padermshoke, Adchara
AU - Konishi, Shouta
AU - Ara, Masato
AU - Tada, Hirokazu
AU - Ishibashi, Taka Aki
PY - 2012
Y1 - 2012
N2 - A novel SiO 2-deposited CaF 2 (SiO 2/CaF 2) substrate for measuring vibrational sum-frequency generation (SFG) spectra of silane-based chemisorbed monolayers in aqueous media has been developed. The substrate is suitable for silanization and transparent over a broad range of the infrared (IR) probe. The present work demonstrates the practical application of the SiO 2/CaF 2 substrate and, to our knowledge, the first SFG spectrum at the solid/water interface of a silanized monolayer observed over the IR fingerprint region (1780-1400 cm -1) using a backside probing geometry. This new substrate can be very useful for SFG studies of various chemisorbed organic molecules, particularly biological compounds, in aqueous environments.
AB - A novel SiO 2-deposited CaF 2 (SiO 2/CaF 2) substrate for measuring vibrational sum-frequency generation (SFG) spectra of silane-based chemisorbed monolayers in aqueous media has been developed. The substrate is suitable for silanization and transparent over a broad range of the infrared (IR) probe. The present work demonstrates the practical application of the SiO 2/CaF 2 substrate and, to our knowledge, the first SFG spectrum at the solid/water interface of a silanized monolayer observed over the IR fingerprint region (1780-1400 cm -1) using a backside probing geometry. This new substrate can be very useful for SFG studies of various chemisorbed organic molecules, particularly biological compounds, in aqueous environments.
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U2 - 10.1366/11-06583
DO - 10.1366/11-06583
M3 - Article
C2 - 22732544
AN - SCOPUS:84863668807
SN - 0003-7028
VL - 66
SP - 711
EP - 718
JO - Applied Spectroscopy
JF - Applied Spectroscopy
IS - 6
ER -