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Tailoring the diameter of electrospun layered perovskite nanofibers for photocatalytic water splitting†
Journal of Materials Chemistry A ( IF 11.9 ) Pub Date : 2018-01-02 00:00:00 , DOI: 10.1039/c7ta09136b
André Bloesser 1, 2, 3, 4 , Pascal Voepel 1, 2, 3, 4 , Marc O. Loeh 1, 2, 3, 4 , Andreas Beyer 4, 5, 6, 7 , Kerstin Volz 4, 5, 6, 7 , Roland Marschall 1, 2, 3, 4
Affiliation  

Ba5Ta4O15 nanofibers are prepared with tailored diameter to investigate its influence on pure photocatalytic water splitting performance. The diameter of the resulting 111-layered perovskite nanofibers was solely adjusted by the electrospinning conditions, and no variation in temperature treatment was necessary. Fibers with diameters between 100 and 300 nm can be prepared by fine-tuning the viscosity of the spinning solution, depending on the amount of spinning polymer present. Diameter-dependent photocatalytic water splitting studies reveal for the first time a morphological influence, namely optimum fiber diameter, to be responsible for optimum photocatalytic activity. Ba5Ta4O15 nanofibers with an average diameter of 161 nm show the best performance in water splitting experiments.

中文翻译:

量身定制电纺层钙钛矿纳米纤维的直径,以进行光催化水分解

制备具有特定直径的Ba 5 Ta 4 O 15纳米纤维,以研究其对纯光催化水分解性能的影响。所得111层钙钛矿纳米纤维的直径仅通过电纺丝条件调节,并且不需要改变温度处理。可以通过微调纺丝溶液的粘度来制备直径在100到300 nm之间的纤维,具体取决于纺丝聚合物的含量。依赖于直径的光催化水分解研究首次揭示了形态学影响,即最佳纤维直径,负责最佳的光催化活性。Ba 5 Ta 4 O 15 平均直径为161 nm的纳米纤维在水分解实验中显示出最佳性能。
更新日期:2018-01-02
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