Change from fluorescence to phosphorescence and tuning the pseudo-Jahn-Teller effect with pressure for (NH[sub 4])[sub 3][CrF[sub 6]]
We report here the pressure-induced change of the emitting state of (NH[sub 4])[sub 3][CrF[sub 6]] from a [sup 4]T[sub 2g] fluorescent state to a mixed state by means of the pseudo-Jahn-Teller effect, and then finally to a [sup 2]E[sub g] phosphorescent state over the pressure range 0-12.3 GPa. We b...
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| Veröffentlicht in: | Journal of the American Chemical Society 1995-02, Vol.117:5 |
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| container_title | Journal of the American Chemical Society |
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| creator | Kenney, J.W. III Clymire, J.W. Agnew, S.F. |
| description | We report here the pressure-induced change of the emitting state of (NH[sub 4])[sub 3][CrF[sub 6]] from a [sup 4]T[sub 2g] fluorescent state to a mixed state by means of the pseudo-Jahn-Teller effect, and then finally to a [sup 2]E[sub g] phosphorescent state over the pressure range 0-12.3 GPa. We believe that this is the first time an emitting state's spin character has been changed completely by the application of pressure. All of the pressure effects reported here are reversible and reproducible on the same or different samples. With the exceptions noted, luminescence spectra from depressurized samples are virtually identical to spectra from samples of (NH[sub 4])[sub 3][CrF[sub 6]] that never were subjected to high pressures. 20 refs., 3 figs. |
| doi_str_mv | 10.1021/ja00110a024 |
| format | Article |
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III ; Clymire, J.W. ; Agnew, S.F.</creator><creatorcontrib>Kenney, J.W. III ; Clymire, J.W. ; Agnew, S.F.</creatorcontrib><description>We report here the pressure-induced change of the emitting state of (NH[sub 4])[sub 3][CrF[sub 6]] from a [sup 4]T[sub 2g] fluorescent state to a mixed state by means of the pseudo-Jahn-Teller effect, and then finally to a [sup 2]E[sub g] phosphorescent state over the pressure range 0-12.3 GPa. We believe that this is the first time an emitting state's spin character has been changed completely by the application of pressure. All of the pressure effects reported here are reversible and reproducible on the same or different samples. 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III</creatorcontrib><creatorcontrib>Clymire, J.W.</creatorcontrib><creatorcontrib>Agnew, S.F.</creatorcontrib><title>Change from fluorescence to phosphorescence and tuning the pseudo-Jahn-Teller effect with pressure for (NH[sub 4])[sub 3][CrF[sub 6]]</title><title>Journal of the American Chemical Society</title><description>We report here the pressure-induced change of the emitting state of (NH[sub 4])[sub 3][CrF[sub 6]] from a [sup 4]T[sub 2g] fluorescent state to a mixed state by means of the pseudo-Jahn-Teller effect, and then finally to a [sup 2]E[sub g] phosphorescent state over the pressure range 0-12.3 GPa. We believe that this is the first time an emitting state's spin character has been changed completely by the application of pressure. All of the pressure effects reported here are reversible and reproducible on the same or different samples. 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III</au><au>Clymire, J.W.</au><au>Agnew, S.F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Change from fluorescence to phosphorescence and tuning the pseudo-Jahn-Teller effect with pressure for (NH[sub 4])[sub 3][CrF[sub 6]]</atitle><jtitle>Journal of the American Chemical Society</jtitle><date>1995-02-08</date><risdate>1995</risdate><volume>117:5</volume><issn>0002-7863</issn><eissn>1520-5126</eissn><abstract>We report here the pressure-induced change of the emitting state of (NH[sub 4])[sub 3][CrF[sub 6]] from a [sup 4]T[sub 2g] fluorescent state to a mixed state by means of the pseudo-Jahn-Teller effect, and then finally to a [sup 2]E[sub g] phosphorescent state over the pressure range 0-12.3 GPa. We believe that this is the first time an emitting state's spin character has been changed completely by the application of pressure. All of the pressure effects reported here are reversible and reproducible on the same or different samples. With the exceptions noted, luminescence spectra from depressurized samples are virtually identical to spectra from samples of (NH[sub 4])[sub 3][CrF[sub 6]] that never were subjected to high pressures. 20 refs., 3 figs.</abstract><cop>United States</cop><doi>10.1021/ja00110a024</doi></addata></record> |
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| ispartof | Journal of the American Chemical Society, 1995-02, Vol.117:5 |
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| language | eng |
| recordid | cdi_osti_scitechconnect_6766267 |
| source | ACS Publications |
| subjects | 400102 -- Chemical & Spectral Procedures AMMONIUM COMPLEXES CHROMIUM COMPLEXES COMPLEXES EMISSION SPECTRA FLUORESCENCE INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY JAHN-TELLER EFFECT LUMINESCENCE PHOSPHORESCENCE PRESSURE DEPENDENCE SPECTRA TRANSITION ELEMENT COMPLEXES 400201 -- Chemical & Physicochemical Properties |
| title | Change from fluorescence to phosphorescence and tuning the pseudo-Jahn-Teller effect with pressure for (NH[sub 4])[sub 3][CrF[sub 6]] |
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