Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 143, Issue 3, Pages 1325-1330Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2013.11.042
Keywords
Electronic materials; Nanostructures; Electrochemical techniques; Semiconductors
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Funding
- Council of Scientific and Industrial Research (CSIR), New Delhi, India [NWP0035]
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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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