Abstract
Photosensitive hybrid layers are obtained by electrochemical polymerization of pyrrole and 3,4‑ethylenedioxythiophene in the presence of water-soluble sodium salt of zinc octa(3′,5′-dicarboxyphenoxy)phthalocyaninate containing 16 ionogenic carboxylate groups. The process of the hybrid layer electrodeposition was found to occur most effectively in galvanostatic and potentiostatic modes on the sublayer of poly-3,4-ethylenedioxythiophene–polyacid complex. The electronic and chemical structure and morpho-logy of the hybrid layers of polypyrrole obtained in the presence of zinc octa(3′,5′-dicarboxyphenoxy)phthalocyaninate were studied. Possible reasons are considered why the measured values of photosensitivity and external quantum yield of charge-carrier generation in polypyrrole–zinc octa(3′,5′-dicarboxyphenoxy)phthalocyaninate are several times higher than in poly-3,4-ethylenedioxythiophene–zinc octa(3′,5′-dicarboxyphenoxy)phthalocyaninate.
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ACKNOWLEDGMENTS
The UV-, vis-, and IR-electronic absorption spectra, Raman-spectra, and AFM-microphotographs of film surfaces were recorded using equipment from CKP FMI IPCE RAS.
Funding
This work was supported by the Russian Science Foundation, grant no. 23-19-00884, section “Study of photoelectrochemical properties of PPy–ZnPc hybrid layers” and the Ministry of Sciences and Higher Education of the Russian Federation (topic of the Frumkin Institute of Physical Chemistry and Electrochemistry, RAS, no, 122011300052-1, sections “Electrosynthesis study of physico-chemical properties of PPy–ZnPc hybrid layers.”
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Translated by Yu. Pleskov
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Gribkova, O.L., Kabanova, V.A., Kormshchikov, I.D. et al. Electrodeposition of Photosensitive Layers Based on Conducting Polymers and Zinc Phthalocyaninate, Their Structure and Photoelectrical Properties. Russ J Electrochem 60, 448–458 (2024). https://doi.org/10.1134/S102319352470006X
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DOI: https://doi.org/10.1134/S102319352470006X