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. Author manuscript; available in PMC: 2024 Mar 19.
Published in final edited form as: J Am Ceram Soc. 2018 Jan;101(1):10.1111/jace.15183. doi: 10.1111/jace.15183

Table 2. Extracted parameters of the electrochemical reactivity and conductivity of NC thin films.

PLD500 PLD700 PLD700HV CSD SD
25 °C RH of 90 % DC current @ 30 V (nA) >600 170 < 1.10-3 2.0 < 1.10-3
Proton injection rate (S) (mmol/m3s) >80 80 ± 20 10.0 ± 3.0 40 ± 6 5.0 ± 0.8
Proton diffusivity (D) (μm2/s) >1000 1000 ± 250 5.0 ± 0.8 30 ± 8 2.0 ± 0.4
Resistance RF (Ω)* 5.0·104 1.6·108 >1.0·1012 1.9·1010 >1.0·1012
125 °C RH of 0 % Proton injection rate (S) (mmol/m3s) 10 ± 1.0 3.0 ± 0.2 7.0 ± 1.5 35 ± 10 45 ± 10
Proton diffusivity (D) (μm2/s) 30 ± 5 10.0 ± 1.0 200 ± 30 60 ± 15 100 ± 20
*

See Figure 5.