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Xia Wang,Zongbao Li,Lichao Jia,Xiaobo Xing 한국물리학회 2018 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.72 No.10
A simple strategy to greatly increase the photocatalytic ability of nanocrystalline anatase has been put forward to fabricate efficient TiO2-based photocatalysts under visible irradiation. By surface modification with V ion, samples with different ratios were synthesized by using an incipient wetness impregnation method. The as-prepared specimens were characterized using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and UV-vis diffuse reflectance spectroscopy. The photocatalytic activities were evaluated by using methylene blue degradations. Meanwhile, the optimized loading structure and electronic structures were calculated by using the density function theory (DFT). This work should provide a practical route to reasonably design and synthesize high-performance TiO2-based nanostructured photocatalysts.