Smart Materials Research

Research Article

Enhanced Colouration Efficiency of Pulsed DC Magnetron Sputtered WO3 Films Cycled in H2SO4 Electrolyte Solution

Table 1

Various electrochemical parameters of WO3 films cycled in 0.1 M H2SO4 electrolyte.
Film preparation conditions (DC power and pulsing frequency)Scan rate (mV/s) (mA) ( ) (cm2/s) (mA) ( ) (cm2/s)
50 W; 25 kHz500.932.37 10−100.373.87 10−11
1001.814.47 10−100.757.60 10−11
150 2.545.82 10−101.081.06 10−10
50 W; 50 kHz50 1.526.28 10−100.527.34 10−11
100 3.451.61 10−91.382.59 10−10
150 5.172.41 10−92.114.04 10−10
50 W; 100 kHz50 1.425.48 10−90.611.02 10−10
100 3.461.62 10−91.372.54 10−10
150 3.871.35 10−91.552.18 10−10
100 W; 25 kHz50 0.771.62 10−100.081.93 10−12
100 2.045.64 10−100.737.39 10−11
150 6.083.33 10−92.053.80 10−10
100 W; 50 kHz50 0.942.39 10−100.033.73 10−13
100 1.272.19 10−100.331.55 10−11
150 1.993.60 10−100.897.26 10−11
100 W; 100 kHz50 2.271.40 10−90.841.91 10−10
100 4.062.23 10−91.663.73 10−10
150 5.032.28 10−92.294.75 10−10
150 W; 25 kHz50 1.828.99 10−100.851.95 10−10
100 4.222.41 10−91.854.64 10−10
150 5.152.39 10−92.596.07 10−10
150 W; 50 kHz50 0.831.87 10−100.373.72 10−11
100 1.322.37 10−100.716.81 10−11
150 1.732.70 10−100.988.70 10−11
150 W; 100 kHz50 1.083.15 10−100.455.60 10−11
100 1.914.96 10−100.951.23 10−10
150 2.998.09 10−101.281.49 10−10