Table 1 Comparison of crucial characterization data of MoO3 polymorphs to discern their electrochemical activity.
Structure–activity relationship (SAR) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
S. no. | Sample ID | XRD | HRTEM | UV–Vis | XPS | CV | |||
Lattice parameters | Interplanar spacing (d) Å | Band gap (Eg) | O-1s peak area (× 104) | Specific capacitance Cp F/g | |||||
a | b | c | |||||||
1 | MOw60 (h-MoO3) | 10.61 | 10.61 | 3.72 | (011) | 3.47 | 2.94 | 20.93 | 14.3 |
(120) | 3.40 | ||||||||
(030) | 3.05 | ||||||||
2 | MOw90 (α-MoO3) | 3.95 | 3.95 | 3.72 | (210) | 3.2 | 2.45 | 42.76 | 256 |
(101) | 3.8 | ||||||||
3 | MOipa90 (Mixed Phases of 72.6% h-MoO3 and 27.4% α-MoO3) | 10.61/3.98 | 10.61/13.86 | 3.72/3.71 | (501) | 2.2 | 1.5 | 24.92 | 41.8 |
(121) | 2.5 | ||||||||
