The effect of 245 nm UV light on SAMs on Au(111) generated from derivatives of TP1, BM, and C10 was studied. XPS and STM data revealed that the BM and C10 molecules were partially desorbed by irradiation for 3 h, which such desorption was not observed in the TP1 SAMs. Furthermore, even when using stronger UV light which could decompose alkanethiol SAMs more efficiently, XPS and STM data confirmed no decomposition after irradiation for 24 h. The data demonstrate that TP1 SAMs had higher stability under UV irradiation.
机构:
Univ Porto, Div Biomat, INEB Inst Engn Biomed, P-4150180 Oporto, Portugal
Univ Porto, Fac Engn, Dept Mat & Met Engn, P-4100 Oporto, PortugalUniv Porto, Div Biomat, INEB Inst Engn Biomed, P-4150180 Oporto, Portugal