金电极表面有序分子膜的电化学原位偏振调制红外反射光谱研究

苏章菲, 陈爱成, Jacek Lipkowski

PM IRRAS Studies of Organized Molecular Films at a Gold Electrode Surface

Zhang-Fei Su, Ai-Cheng Chen, Jacek Lipkowski

Figure 7. Chemical structures of DPTL (A) and disulfide 3 (B). (C) Differential capacitance curves of the DPhPC/disulfide 3 tBLM. The inset shows the AFM topography image of the tBLM. Reprinted with permission from Ref. [58]. Copyright 2019 Elsevier. (D) Force-distance curve of the DPhPC/disulfide 3 tBLM. Reprinted with permission from Ref. [58]. Copyright 2019 Elsevier. (E & F) PM-IRRAS spectra of the DPhPC/disulfide 3 tBLM in the C-H stretching (E) and C=O stretching region (F). Reprinted with permission from Ref. [58]. Copyright 2019 Elsevier. (G) Comparison of the fraction of non-hydrated ester C=O bond in the DPhPC/disulfide 3 tBLM (red circles) and DPhPC/DPTL tBLM (black triangles). (H-J) Variation of the fraction (H), tilt angle (I) and peak center (J) of the β6.3 conformation (helix dimer) in the gA-DPhPC/disulfide 3 tBLM (red circles) and gA-DPhPC/DPTL tBLM (black triangles) as a function of the electrode.