期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 143, 期 3, 页码 1325-1330出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2013.11.042
关键词
Electronic materials; Nanostructures; Electrochemical techniques; Semiconductors
资金
- Council of Scientific and Industrial Research (CSIR), New Delhi, India [NWP0035]
Nanostructured bismuth (III) sulphide is synthesized at room temperature using a hydrogen sulphide producing microorganism namely Clostridium acetobutylicum. On contrary to chemical routes involving both the high and room temperature methods, the present experimental procedure involves a bio-assisted approach. This method is free from the usage of toxic and hazardous chemicals making it an environment friendly route. The synthesized bismuth sulphide is characterized using transmission electron microscope (TEM), powder X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and cyclic voltammetry (CV). From our experiments we find that bismuth sulphide produced using this bio-assisted approach exhibits a hexagonal shaped plate-like structures and is stabilized by the extracellular proteins present in the culture medium. (C) 2013 Elsevier B.V. All rights reserved.
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