Tris(benzylthiolato)bismuth. Efficient Precursor to Phase-Pure Polycrystalline Bi2S3
- 24 June 1998
- journal article
- research article
- Published by American Chemical Society (ACS) in Inorganic Chemistry
- Vol. 37 (14), 3538-3541
- https://doi.org/10.1021/ic971463h
Abstract
Details of the synthesis, physical and spectroscopic characterization, and thermal decomposition of tris(benzylthiolato)bismuth, (BnS)3Bi, Bn = CH2C6H5, are presented. Results from pyrolysis of (BnS)3Bi demonstrate that this compound is a convenient precursor to phase-pure, polycrystalline Bi2S3 with low carbon and hydrogen contamination under mild thermal conditions (ca. 275 °C). Flow-tube pyrolysis produces small (∼1 μm) spherical particles, whereas sealed-tube pyrolysis produces 6-μm diameter spherical particles composed of radiating acicular crystallites. Bi2S3 was characterized by X-ray powder diffraction and scanning electron microscopy.Keywords
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