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. 2018 Apr 9;8(5):4420–4428. doi: 10.1021/acscatal.7b03386

Figure 3.

Figure 3

(a) Stability of immobilized InPP on different substrates (lines are given to guide the eye), (b) XPS spectra of InPP-PG electrodes before electrolysis and after electrolysis (t = 10 min and t = 1 h) with the indium content (atom %) given in the inset, (c) Faradaic efficiency toward HCOOH (left axis) and partial current density for HCOOH (right axis) as a function of the amount InPP drop-casted on the different substrates (lines given to guide the eye), and (d) indium content of the InPP immobilized on the substrates, as estimated from XPS, as a function of the amount InPP drop-casted (lines given to guide the eye).