请帮我翻译以下内容：图1-6 a计算出的静电势图、分子偶极子；b SA-TPP 和 SA-TPP-C60的内部电场强度；c测量的电化学阻抗谱；d SA-TPP和SA-TPP-C60的开路电位衰减曲线

Translation:

Figure 1-6. (a) Calculated electrostatic potential maps and molecular dipoles; (b) Internal electric field strength of SA-TPP and SA-TPP-C60; (c) Measured electrochemical impedance spectra; (d) Open circuit potential decay curves of SA-TPP and SA-TPP-C60.