Jingwei XU, Zheng LI, Zepu WANG, Han YU, Qi HE, Nian FU, Bangfu DING, Shukai ZHENG, Xiaobing YAN. Morphology and Photocatalytic Performance Regulation of Nd3+-doped BiVO4 with Staggered Band Structure [J]. Journal of Inorganic Materials, 2020, 35(7): 789
- Journal of Inorganic Materials
- Vol. 35, Issue 7, 789 (2020)
1. XRD patterns of Nd3+-doped BiVO4 with different contents of Nd3+and monoclinic and tetragonal standard patterns (a, b), supercell configurations of optimized monoclinic (c) and tetragonal (d)
2. Raman spectra of pure phase (a), 4at% (b), and 9at% (c) Nd3+-doped BiVO4
3. TEM images of 4at% Nd3+-doped BiVO4 with different magnifications (a,b), where the inset in (b) represented the Fourier transform diffraction spots of I and II regions
4. SEM images of pure (a), 4at% (b), 9at% (c), 50at% (d), and 100at% (e) Nd3+-doped BiVO4
5. Schematic of self-made photocatalytic degradation experimental device (a) and photocatalytic degradation curves of Rhodamine B over the prepared samples (b)
6. Diffuse reflectance spectra of three samples (a) and band gap obtained by fitting KM formula (b)
7. Flat band voltage derived from Motto-Schotty curve (a) and energy band structure of heterojunction (b)
8. Pore distribution (a), photoluminescence (b), impedance spectra (c), and photocurrent (d) of three typical samples
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Table 1. Usage of three raw materials for the synthesis of Nd3+-doped samples with different contents of Nd3+
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Table 2. XPS results of pure and 4at% Nd3+-doped samples
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