Abstract
Ga2O3 have attracted considerable attention in the field of photocatalysis. However, the preparation of 1D nanostructured Ga2O3 photocatalyst with high purity and controllable structures is still in challenge. Herein, we report the synthesis of Ga2O3 nanofibers with controllable structures by using electronspinning method and annealing treatment. The SEM, TEM, XRD and XPS results revealed that the produced Ga2O3 photocatalysts have three different morphologies, including nanofibers, nanofibers/nanobelts and nanobelts, which was obtained by tailoring the raw materials and electronspinning parameters. The photocatalytic hydrogen evolution results show that the Ga2O3 nanofibers display the highest hydrogen evolution rate among the three samples. The excellent photocatalytic performance of Ga2O3 nanofibers photocatalyst could be resulted from its larger BET specific surface area and pore volume, which can provide more active sites and shorten the charge transfer distance.
Graphical Abstract
We report the controlled preparation of Ga2O3 nanofibers forphotocatalytic hydrogen evolution.
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Acknowledgements
This work supported by China Postdoctoral Science Foundation (Grant No. 2020M681966), National Natural Science Foundation of China (NSFC, Grant No. 52272085), the exchange project of the sixth China-Northern Macedonia Science and Technology Meeting (Grant No. 6-11) and Natural Science Foundation of Ningbo Municipal Government (Grant No. 2021J145).
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Hou, H., Yang, W., Sun, H. et al. Tailored Synthesis of Ga2O3 Nanofibers Towards Enhanced Photocatalytic Hydrogen Evolution. Catal Lett 153, 2950–2958 (2023). https://doi.org/10.1007/s10562-022-04217-7
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DOI: https://doi.org/10.1007/s10562-022-04217-7