可见光催化剂钒酸铋的可控合成及性能研究

李杰, 宋晨飞, 逄显娟

Controllable Synthesis and Photocatalytic Performance of BiVO4 under Visible-light Irradiation

Jie LI, Chen-Fei SONG, Xian-Juan PANG

表1 BiVO4(s-m)的拉曼峰位置及V-O键长和半峰宽

Table 1 Raman absorption band position and V-O bond length, FWHM in BiVO4(s-m)

pH νs(V-O)/cm-1 R1/nm S1(V-O) νas(V-O)/cm-1 R2/nm S2(V-O) Valence state of V FWHM 1 828.57 0.17071 1.3264 708.40 0.17760 1.0431 5.0223 43.80 2 830.12 0.16934 1.3303 708.93 0.17757 1.0443 5.0352 44.71 7 830.83 0.16929 1.3320 710.53 0.17745 1.0478 5.0438 45.49 9 831.19 0.16927 1.3329 710.71 0.17744 1.0482 5.0469 45.93 11 829.76 0.16936 1.3294 709.64 0.17751 1.0459 5.0342 45.41 13 829.42 0.16938 1.3285 708.93 0.17757 1.0443 5.0298 44.04