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Huilan Ye,Yiting Wu,Ziqing Zhong,Shichang Sun,Jia Chen,Weiming Zhou,Ibrahim Lawan,Liwei Wang,Zhanhui Yuan 한국화학공학회 2022 Korean Journal of Chemical Engineering Vol.39 No.4
A Bi6O6(OH)3(NO3)3·1.5H2O (BBN)/Bi2O2CO3 (BOC) heterojunction was designed for the first time via afacile hydrothermal method. The photocatalytic performance of catalysts was evaluated by degrading Rhodamine B(RhB) under simulated solar light irradiation. It was found that the degradation rate of RhB by 25 wt%BBN/BOC wasdramatically increased about 1.5 and 4.7 times compared with that of pure BOC and BBN, respectively. The enhancedphotocatalytic performance migth be attributed to the effective separation of photoinduced electron-hole pairs, benefitingfrom the construction of heterojunction. Furthermore, the mechanism upon BBN/BOC composites photocatalystwas investigated, expecting this work will bring new insight into the theoretical study and application of semiconductorsmaterials.
Yufan Wang,Guoqing Zu,Di Zhang,Di Zhang,Weiwei Zhu,Huilan Sun,Bo Wang,Xu Ran 대한금속·재료학회 2022 METALS AND MATERIALS International Vol.28 No.11
In the present work, the effect of pre-annealing on the recrystallized texture of hot-rolled Fe-1.6 wt% Si non-oriented electricalsteel was investigated. Vickers hardness test, optical microscope, and electron backscatter diffraction were used to investigatethe changes in the average hardness, microstructure, and texture caused by pre-annealing of hot-rolled strips. It was found thatthe texture successively changed from a near-random distribution to {116} < 151 > texture and near-{001} < 140 > texturedepending on pre-annealing treatments. Also, there was almost no effect on the grain size, and the average grain size of thenormalized bands was 125 μm. Besides, the texture and magnetic properties of the final products under different pre-annealingtreatments were also detected. It was found that the sample obtain a strong Cube texture by pre-annealing. Meanwhile, themagnetic properties are also got an improvement by pre-annealing. In a word, this method may provide a possibility to obtainan ideal grain size and texture simultaneously.