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Preparation and Photocatalytic Performance of One-Dimensional In₂O₃ Nanofibers, CuO Microfibers and CuO/In₂O₃ Heterostructured Nanofibers by Electrospinning Process

Shandong Provincial Key Laboratory of Processing, and Testing Technology of Glass and Functional Ceramics, School of Material Science and Engineering, Qilu University of Technology Jinan 250353, P. R. China

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Qifang Lu

E-mail Address: luqf0110@126.com

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Zhiliang Xiu

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, and

Chaofeng Zhu

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https://doi.org/10.1142/S179329201650048XCited by:9 (Source: Crossref)

Abstract

One-dimensional (1D) CuO/In₂O₃ heterostructured nanofibers with the diameter of about 300 nm were successfully prepared through combining a facile single-capillary electrospinning with sintering process, and investigated by thermogravimetric and differential scanning calorimetry (TG-DSC), X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM) techniques, etc. The photocatalytic activities were examined by degrading methylene blue (MB) under 500W xenon lamp, halogen lamp and mercury lamp irradiation, respectively. The heterostructured nanofibers exhibited a higher photocatalytic activity than P25-TiO₂ under 500W xenon lamp irradiation due to the enhanced absorption for visible light and the efficient electron–hole separation and transportation. The single CuO microfibers and In₂O₃ nanofibers were also prepared as the control groups by the same method.

Keywords:

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