Absorption Spectra of Lanthanide Complexes in Solution |
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| Authors: | Sudhindra N Misra Shaun O Sommerer |
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| Institution: | 1. Department of Chemistry , Bhavnagar University , 364002, Bhavnagar, India;2. Division of Science, Engineering, and Technology Penn State-Erie Erie , Pennsylvania, 16563, USA |
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| Abstract: | Abstract The 4f electrons of lanthanides yield three types of transitions: (i) Internal 4f-4f transitions which give rise to sharp, narrow bands of comparatively weak intensities which are Laporte forbidden. (ii) Allowed 4fn?4fn-1 (n – l)d, which are relatively broad and intense. (iii) Broad and often intense 4fn?λ?1 fn+1 electron transfer bands generally occurring in the ultraviolet region (λ? represents a hole in the orbital concentratedmainly on the ligands). |
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