Table 3.
Absolute Number of Bonds or Functional Groups on the Fabricated Surfaces per Grama
| solid support |
Si−OH | C−OH | C−H | C−F | sens | C−OH: C−F:sens |
Si−OH: C−F:sens |
|---|---|---|---|---|---|---|---|
| fluorinated silica 7 |
1.3×1020 | - | 3.5×1021 | 7.8×1021 | 5.5×1016 | - | 2400:142000:1 |
| Teflon/PVA 10 | - | 6.2×1020 | 1.9×1021 | 9.6×1021 | 1.3×1016 | 48000:750000:1 | - |
Fluorinated silica 7 contains pendent nonafluorosilane groups. Teflon/PVA 10 contains repeating –[CF2-CF2]m– and –[CH2-CH(OH)]n– units. The penetration depth of sensitizer into solid 7 was 0.08 mm and into solid 10 was 1.0 mm.