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Volumn 39, Issue 1, 2000, Pages 185-189

Controlling electronic communication in ethynylated-polypyridine metal complexes

Author keywords

Alkynes; Electron transfer; Laser spectroscopy; Photochemistry; Transition metals

Indexed keywords

METAL COMPLEX; PYRIDINE DERIVATIVE;

EID: 0034598480     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/(sici)1521-3773(20000103)39:1<185::aid-anie185>3.0.co;2-3     Document Type: Article
Times cited : (96)

References (19)
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    • (1995) Angew. Chem. Int. Ed. Engl. , vol.34 , pp. 1100
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    • V. Grosshenny, A. Harriman, R. Ziessel, Angew. Chem. 1995, 107, 2921; Angew. Chem. Int. Ed. Engl. 1995, 34, 2705.
    • (1995) Angew. Chem. Int. Ed. Engl. , vol.34 , pp. 2705
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    • A. C. Benniston, V. Grosshenny, A. Harriman, R. Ziessel, Angew. Chem. 1994, 106, 1956; Angew. Chem. Int. Ed. Engl. 1994, 33, 1884.
    • (1994) Angew. Chem. Int. Ed. Engl. , vol.33 , pp. 1884
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    • M. Hissler, A. El-ghayoury, A. Harriman, R. Ziessel, Angew. Chem. 1998, 110, 1804; Angew. Chem. Int. Ed. 1998, 37, 1717.
    • (1998) Angew. Chem. Int. Ed. , vol.37 , pp. 1717
  • 13
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    • note
    • Molecular dimensions used here and in the Förster-type calculations were determined from structures simulated with computer molecular dynamics (ZINDO-S parameters) after full-energy minimization using the AMBER force field.
  • 14
    • 0000485323 scopus 로고    scopus 로고
    • Triplet energy levels were derived by filling the luminescence spectra recorded for the relevant mono- or binuclear complexes at room temperature, and for the free ligands at various temperatures, to the spectral curve-fitting analysis described in ref. [10]. For more details, see A. Harriman, F. M. Romero, R. Ziessel, A. C. Benniston, J. Phys. Chem. 1999, 103, 5399.
    • (1999) J. Phys. Chem. , vol.103 , pp. 5399
    • Harriman, A.1    Romero, F.M.2    Ziessel, R.3    Benniston, A.C.4
  • 16
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    • In calculating the orientation factor it has been assumed that the lowest energy triplet states correspond to charge transfer from the metal center to the ethynylated ligand. This gives a total of 18 and 12 active transition dipoles out of the overall 36 transition dipoles for terpy- and bpy-based systems, respectively. Orientation factors and center-to-center distances were calculated from the computer-simulated structures, and the overlap integral, calculated from emission and absorption spectra, was assumed to contain 36 equal contributions. For more details, see V. Grosshenny, A. Harriman, M. Hissler, R. Ziessel, J. Chem. Soc. Faraday Trans. 1996, 92, 2223.
    • (1996) J. Chem. Soc. Faraday Trans. , vol.92 , pp. 2223
    • Grosshenny, V.1    Harriman, A.2    Hissler, M.3    Ziessel, R.4
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    • note
    • 1, respectively, from room-temperature emission spectra recorded in micellar media.
  • 19
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    • note
    • These values were derived from a compartmental kinetic analysis, allowing for reversible energy transfer, by solving the successive differential equations and using experimentally determined rate constants.


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