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Conjugated polymers (CP) are promising materials for various electronic, optical and magnetic applications, but clear understanding of their electron structure is not still achieved. Electron paramagnetic resonance (EPR) studies can give valuable information about electron states in polymers. We present a study of metal-free oligomeric (OPc) and polymeric (PPc) phthalocyanines by the EPR technique...
We review an analytically treatable method to account for multi-electronic interactions for electronic and optical properties of conjugated polymers. Our model combines the long range electron-hole (e-h) Coulomb attraction with a specific effect of strong effective intramonomer e-h repulsion. The theory operates with a few parameters which can be determined experimentally or from ab initio calculations...
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