Synthesis and photoluminescent properties of a series of pnictogen-centered chromophores

A series of triarylpnictines of the form PnTbs 3 (Pn = a pnictogen, P, As, Sb, or Bi, Tbs = ( E)-4-(4- t-butylstyryl)phenyl) has been prepared, and their absorption and photoluminescence spectral properties examined. A complete series of triarylpnictines of the form PnTbs 3 (Pn = a pnictogen, P, As,...

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Published inInorganica Chimica Acta Vol. 357; no. 14; pp. 4139 - 4143
Main Authors Smith, Rhett C., Earl, Meredith J., Protasiewicz, John D.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 15.11.2004
Subjects
Chromophores
Heavy atom effect
Photoluminescence
Pnictogen
Chromophores
Heavy atom effect
Pnictogen
Photoluminescence
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Summary:A series of triarylpnictines of the form PnTbs 3 (Pn = a pnictogen, P, As, Sb, or Bi, Tbs = ( E)-4-(4- t-butylstyryl)phenyl) has been prepared, and their absorption and photoluminescence spectral properties examined. A complete series of triarylpnictines of the form PnTbs 3 (Pn = a pnictogen, P, As, Sb, or Bi, Tbs = ( E)-4-(4- t-butylstyryl)phenyl) has been prepared, and their absorption and photoluminescence spectral properties examined. Although it was anticipated that fluoresence would be significantly quenched for the heavier atom-centered pnictines in this series, unexpectedly high fluorescence was observed for AsTbs 3 and SbTbs 3. Phosphorescence was also observed to increase as the series was descended. This set of materials includes the first examples of stilbene-substituted As, Sb, and Bi materials.
ISSN:0020-1693
1873-3255
DOI:10.1016/j.ica.2004.06.051