1. Structure diagram of MoO₆ octahedral unit cell^[25]

2. Schematic diagram of electrochromic device structure^[27]

3. Application field of water/solvothermal method (a), schematic diagram of water/solvothermal method equipment (b), and general steps of water/solvothermal preparation (c)^[40]

4. FESEM images of two MoO₃ products at different magnifications^[45]

5. Chronocoulometry of six- to ten-layer MoO₃ film after applying +1.5/-1.5 V for 15/15 s (a) and effect of the number of MoO₃ thin film layers on its charge density (b)^[26]

6. Schematic diagram of spray pyrolysis system applied in the preparation of MoO₃/C composite microspheres^[54]

7. SEM images of α-MoO₃ crystals with a multi-layer stack structure at different magnifications (a-c), SEM image of MoO₃ crystals obtained by calcination of commercial molybdic acid (MoO₃·H₂O) (d), and SEM image of α-MoO₃ stacking with 44 layers (e)^[57]

8. Transmission spectra of undoped and Fe-Co-doped MoO₃ films^[61]

9. In-situ kinetic properties measured at 632.8 nm for W_0.71Mo_0.29O₃ film, PEDOT:PSS film and W_0.71Mo_0.29O₃/PEDOT:PSS film (a), coloration efficiencies (b), and cycling stabilities (c) of the electrodes^[66]

10. Schematic diagram of a complementary electrochromic battery (a), visible-near-infrared transmission spectra of single active layer electrochromic battery (b) and complementary electrochromic batteries (c), discharge curves (current density is 0.05 mA·cm^-2) of single-layer device and complementary device (d), and complementary electrochromic batteries lighting up the LED for 10 min after being colored at -2.5 V (e)^[70]