Research Article
Formation of Au-Silane Bonds
Table 1
High-resolution XPS data: peak position (eV) of Si 2p and Au 4f7/2 spectra.
| | Si | Si–O | Si–OH [2p (II)] | Si–Au [2p (I)] | Au [4f7/2] |
| | Binding energy (eV) [39] | 99.2 | 103.2–103.6 | 103.5 | | 84.0 | | OTS | | X | X | 101.8 | 84.0 | | OTS (bulk*) | | 102.6 [2p (I)] | | | | | Hexa | | 102.7 [2p (II)] | X | 101.5 | 84.0 | | MPdS | | 103 [2p (I)] | 103.5 [2p (II)] | X | 84.0 | | MPdS (bulk*) | | 102.9 [2p (I)] | 104.1 [2p (II)] | | | | Au substrate | | | | | 84.0 |
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Bulk—refers to an organic solution sample that was repeatedly dried under nitrogen stream on top of the gold surface.
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