Electron Spin Resonance of the Organic Semiconductor, α-Copper Phthalocyanine
- 15 May 1968
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 48 (10) , 4561-4567
- https://doi.org/10.1063/1.1668028
Abstract
Various concentrations of polycrystalline powders of α‐copper phthalocyanine diluted in nonparamagnetic α‐metal‐free phthalocyanine matrices have been studied by 8‐mm ESR at room temperature. The superhyperfine (SHF) spin Hamiltonian used in analyzing earlier results of ESR investigations on square‐bonded copper complexes has been reconsidered and a new SHF term is derived. The concentration‐dependent study has revealed enough separate features to enable observations to be interpreted by essentially considering the contributions of only two molecular orientations to the over‐all derivative line shape. Although single crystals of many organo‐metallic complexes, including α‐copper phthalocyanine, are not available, this study indicates that the relevant parameters of the spin Hamiltonian can in some cases be readily deduced from polycrystalline spectra.Keywords
This publication has 19 references indexed in Scilit:
- Pi-electron conjugation in porphyrinsJournal of Molecular Spectroscopy, 1967
- Electron Spin Resonance of α- and β-Cobalt Phthalocyanine1aJournal of the American Chemical Society, 1965
- Photoconductivities of α and β Forms of Metal -Free PhthalocyanineJournal of the Electrochemical Society, 1963
- Accurate Analytical Self-Consistent Field Functions for Atoms. II. Lowest Configurations of the Neutral First Row AtomsPhysical Review B, 1962
- Measurement of the Hall Effect in Metal-Free Phthalocyanine CrystalsPhysical Review Letters, 1962
- Effet Hall et mobilité des porteurs de charge dans un cristal moléculaire (Phtalocyanine de cuivre)Physica Status Solidi (b), 1962
- Electron Spin Resonance of Copper Phthalocyanine1aJournal of the American Chemical Society, 1961
- Magnetic resonance of different ferric complexesDiscussions of the Faraday Society, 1958
- Paramagnetic Resonance Absorption in GlassPhysical Review B, 1955
- Unit Cell Constants of α-Copper PhthalocyanineJournal of the American Chemical Society, 1952