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. 2016 Aug 8;7:12363. doi: 10.1038/ncomms12363

Figure 1. Crystal structure and OER activity of the double perovskites.

Figure 1

(a) Crystal structure of a generic Ba2MIrO6 DP. (b) OER activity in 0.1 M HClO4 of Ba2MIrO6, M=Y, La, Ce, Pr, Nd, Tb, compared with the benchmark activity of IrO2 nanoparticles; the dotted lines show Tafel slopes of 60 and 120 mV per decade, to guide the eye. Measurements performed under steady-state conditions. The values in the plot are the average of three independent measurements and the error bars correspond to the s.d.