Abstract
In2O3/ZnO heterostructured nanotubes with cubic In2O3 and hexagonal ZnO were successfully synthesized via the combination of electrospinning and calcination process. The as-prepared materials are investigated by using thermogravimetric and differential scanning calorimetry, fourier transform infrared spectroscope, X-ray diffraction, scanning electron microscope and high-resolution transmission electron microscope techniques. The formation mechanism of In2O3/ZnO heterostructured nanotubes based on the kinetics of phase separation which results from the decomposition of polyvinyl pyrrolidone during the calcination process is also discussed in detail. The photocatalytic degradation tests reveal that In2O3/ZnO heterostructured nanotubes exhibit the highly improved photocatalytic properties compared with the single-component ZnO and In2O3 materials.
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Acknowledgments
This work was supported by the National Natural Science Foundation of China (Grant No. 51172133), Natural Science Foundation of Shandong Province (Grant No. ZR2013BQ001), Project of Independent Innovation of University Institute of Jinan (Grant No. 201311034) and Project of Shandong Province Higher Educational Science and Technology Program (Grant No. J13LA01). The authors also thank the Analytical Center of Qilu University of Technology for technological support.
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Zhao, F., Lu, Q., Liu, S. et al. In2O3/ZnO heterostructured nanotubes: electrospinning fabrication, characterization, and highly enhanced photocatalytic properties. J Sol-Gel Sci Technol 72, 137–143 (2014). https://doi.org/10.1007/s10971-014-3438-x
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DOI: https://doi.org/10.1007/s10971-014-3438-x