Direct contact vs. solvent-shared ion pairs in nicl2 electrolytesmonitored by multiplet effects at the ni(ii) l-edge x-ray absorptionDOC_XNOTE=Published by BESSY, Germany in collaboration with LawrenceBerkeley National Laboratory staff.

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We investigate the local electronic structure in aqueous NiCl{sub 2} electrolytes by Ni L edge x-ray absorption spectroscopy. The experimental findings are interpreted in conjunction with multiplet calculations of the electronic structure and the resulting spectral shape. In contrast to the situation in the solid, the electronic structure in the electrolyte reflects the absence of direct contact Ni-Cl ion pairs. We observe a systematic change of the intensity ratio of singlet and triplet-related spectral features as a function of electrolyte concentration. These changes can be described theoretically by a changed weight of transition matrix contributions with different symmetry. We interpret ... continued below

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Aziz, E.F.; Eisebitt, S.; Eberhardt, W.; de Groot, F.; Chiou,J.W.; Dong, C.L. et al. March 29, 2007.

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We investigate the local electronic structure in aqueous NiCl{sub 2} electrolytes by Ni L edge x-ray absorption spectroscopy. The experimental findings are interpreted in conjunction with multiplet calculations of the electronic structure and the resulting spectral shape. In contrast to the situation in the solid, the electronic structure in the electrolyte reflects the absence of direct contact Ni-Cl ion pairs. We observe a systematic change of the intensity ratio of singlet and triplet-related spectral features as a function of electrolyte concentration. These changes can be described theoretically by a changed weight of transition matrix contributions with different symmetry. We interpret these findings as being due to progressive distortions of the local symmetry induced by solvent-shared ion pairs.

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  • Journal Name: Journal of Physical Chemistry B; Journal Volume: 111; Journal Issue: 17; Related Information: Journal Publication Date: 2007

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  • Report No.: LBNL--62645
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.1021/jp070085r | External Link
  • Office of Scientific & Technical Information Report Number: 903505
  • Archival Resource Key: ark:/67531/metadc890474

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  • March 29, 2007

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  • Sept. 22, 2016, 2:13 a.m.

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Aziz, E.F.; Eisebitt, S.; Eberhardt, W.; de Groot, F.; Chiou,J.W.; Dong, C.L. et al. Direct contact vs. solvent-shared ion pairs in nicl2 electrolytesmonitored by multiplet effects at the ni(ii) l-edge x-ray absorptionDOC_XNOTE=Published by BESSY, Germany in collaboration with LawrenceBerkeley National Laboratory staff., article, March 29, 2007; United States. (digital.library.unt.edu/ark:/67531/metadc890474/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.