Journal
RSC ADVANCES
Volume 4, Issue 78, Pages 41636-41641Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra07169g
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Funding
- University of Jinan (UJn)
- Taishan Scholar [TSHW20120210]
- National Natural Science Foundation of China [11304120, 61106059, 61205175]
- Encouragement Foundation for Excellent Middle-aged and Young Scientist of Shandong Province [BS2012CL005, BS2013CL020]
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Bismuth sulfide (Bi2S3) microflowers have been successfully fabricated through a one-pot hydrothermal method. The structures and morphologies of the as-obtained products are characterized by X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM) and Raman spectroscopy. The experimental results show that Bi2S3 microflowers are composed of many microrods with lengths of 18-20 mu m. Metal/semiconductor/metal (MSM) sandwich structures are fabricated, and the current-voltage (I-V) characteristics exhibit a clear back-to-back Schottky-diode behavior. The galvanostatic charge-discharge performance illustrates that the prepared Bi2S3 microflowers exhibit good performance for discharge efficiency at current densities from 1 mA cm(-2) to 10 mA cm(-2). Furthermore, the as-synthesized Bi2S3 microflowers are also used as the efficient UV-light photocatalysts for the photocatalytic degradation of methylene orange (MO) under light illumination, which shows almost complete degradation (similar to 95%) of MO dye.
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