Molecular structure determination for photogenerated intermediates in photoinduced electron transfer reactions using steady-state and transient XAFS

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Many photoinduced electron transfer reactions are accompanied by nuclear rearrangements of the molecules involved. In order to understand the reactivities of the molecules and the reaction mechanisms, precise information on the molecular structural changes accompanying the electron transfer is often required. We present here conventional XAFS and transient energy dispersive XAFS studies on structures of excited and photoinduced charge separated state of porphyrin and porphyrin based supermolecules, and structures of TiO{sub 2} colloid and the heavymetal ions that bind to the colloid surfaces during photocatalytic reductions.

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6 p.

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Chen, L.X.; Wasielewski, M.R. & Rajh, T. October 1, 1996.

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Many photoinduced electron transfer reactions are accompanied by nuclear rearrangements of the molecules involved. In order to understand the reactivities of the molecules and the reaction mechanisms, precise information on the molecular structural changes accompanying the electron transfer is often required. We present here conventional XAFS and transient energy dispersive XAFS studies on structures of excited and photoinduced charge separated state of porphyrin and porphyrin based supermolecules, and structures of TiO{sub 2} colloid and the heavymetal ions that bind to the colloid surfaces during photocatalytic reductions.

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6 p.

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OSTI as DE96013960

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  • 9. international conference on x-ray absorption fine structure (XAFS), Genoble (France), 26-30 Aug 1996

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  • Other: DE96013960
  • Report No.: ANL/CHM/CP--90881
  • Report No.: CONF-9608104--5
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 377589
  • Archival Resource Key: ark:/67531/metadc679204

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  • October 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Dec. 14, 2015, 6:33 p.m.

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Chen, L.X.; Wasielewski, M.R. & Rajh, T. Molecular structure determination for photogenerated intermediates in photoinduced electron transfer reactions using steady-state and transient XAFS, article, October 1, 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc679204/: accessed November 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.