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Berlin 2005 – scientific programme

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SYOO: Organic Optoelectronics and Photonics

SYOO 6: Poster

SYOO 6.63: Poster

Monday, March 7, 2005, 18:00–20:00, Poster TU A

A XANES study of a family of Copper Porphyrazines — •D.R. Batchelor1, D. Pop2, B. Winter2, H. Peisert3, I. Biswas3, and W. Freyer21EP2 Univ. Würzburg — 2MBI for Nonlinear Optics, Berlin — 3Institut für Physikalische und Theoretische Chemie, Univ. Tubingungen

The metal Porphyrazines have long been used in the chemical industry as dyes. This together with their close relation to the Porphyrins make them interesting candidates for various applications in molecular electronics and sensor developments. A family of linear benzo-annelated copper porphyrazine molecules were studied using XANES in an effort to understand the role of charge transfer between the central copper atom and the conjugated ring of nitrogen atoms as a function of annelation.

The XANES of both Copper and Nitrogen edges will be presented and compared with literature data. The Nitrogen edge data will be discussed using results of calculations with STOBE code.

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