期刊
SOLID STATE SCIENCES
卷 46, 期 -, 页码 37-42出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solidstatesciences.2015.05.008
关键词
AgIO3; Photocatalytic activity; Non-centrosymmetric structure; Electronic structure; Electric field
资金
- National Natural Science Foundations of China [51302251]
- Fundamental Research Funds for the Central Universities [2652013052]
AgIO3 as a novel photocatalyst was prepared via a facile hydrothermal route. The microstructure, electronic structure, optical and nonlinear optical (NLO) properties of AgIO3 were investigated by a series of experimental and theoretical methods, including X-ray powder diffraction (XRD), scanning electron microscope (SEM), transmission electron microscopy (TEM), high resolution TEM (HRTEM), Brunauer -Emmett-Teller (BET), UV-vis diffuse reflectance spectra (DRS), second harmonic generation (SHG) measurements and the first principle calculation. The results revealed that AgIO3 exhibits a strong SHG response and excellent photocatalytic performance with high stability under both UV and visible light irradiation. The advantages of this material, such as large polarizability resulted from the NCS structure, polar IO3- anion and layered structure should be responsible for the high photocatalytic activity of AgIO3. The present work may shed new light on the design of multifunctional materials. (C) 2015 Elsevier Masson SAS. All rights reserved.
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