“…1(b), all diffraction peaks correspond to standard MoO 3 (PDF 47-1320), 32 the main diffraction peaks at about 12.7°, 23.3°, 25.7°, 27.3°, 33.6°, 35.5°, 39.0°, 45.7°, 46.4°, 49.2°, and 58.9° corresponding to the {020}, {110}, {040}, {021}, {111}, {041}, {060}, {200}, {061}, {002}, and {081} planes, respectively. 33 Meanwhile, Raman spectra of the as-prepared MoO 3 at 994, 818, 663, 468, 375, 334, 288, 242, 218, 195, 156 and 124 cm −1 are in agreement with the reported MoO 3 (Fig. S1, ESI†).…”