A note on the characterization of bismuth black by Raman microspectroscopy | Zendy

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A note on the characterization of bismuth black by Raman microspectroscopy

Author(s) -

Trentelman Karen

Publication year - 2009

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.2184

Subject(s) - bismuth , raman spectroscopy , characterization (materials science) , chemistry , oxide , metal , laser , analytical chemistry (journal) , materials science , optics , nanotechnology , organic chemistry , physics

Inspired by the discovery of bismuth metal used as a pigment in a fifteenth century illuminated manuscript, the identification of bismuth compounds by Raman spectroscopy is investigated. Raman spectra of bismuth metal powder, bismuth (III) sulfide (Bi 2 S 3 ) and bismuth (III) oxide (α‐Bi 2 O 3 ) are presented. The influence of excitation laser wavelength is explored, along with the laser‐induced oxidation of bismuth to α‐Bi 2 O 3 and β‐Bi 2 O 3 . The implication of these results with respect to the selection of appropriate analytical protocols in the investigation of bismuth pigments in works of art is discussed. Copyright © 2009 John Wiley & Sons, Ltd.

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