Abstract
The dependence of the ampere–watt sensitivity of a hybrid photoelectric structure, which consists of a transparent ITO electrode, a film of a mixture of organic semiconductors (zinc phthalocyanine ZnPc, and fullerene C70), and a subwavelength aluminum grating as the second electrode, on the polarization and direction of an exciting light flux is experimentally studied. The efficiency of conversion of TM-polarized light into a photocurrent is found to increase manifold in the case of excitation on the side of the aluminum nanograting. The experimental results are explained in terms of a numerical model, which takes into account the plasmon contribution to the optical field inside the organic film in the case of TM-polarized light.
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Funding
This work was supported by the Ministry of Education and Science of the Russian Federation in terms of the state assignment of the Federal Scientific Research Center Crystallography and Photonics.
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Translated by K. Shakhlevich
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Lazarev, V.V., Blinov, L.M., Yudin, S.G. et al. Photoelectric Effect in an Organic-Semiconductor-Based ZnPc:C70 Heterostructure with a Subwavelength Aluminum Grating. J. Exp. Theor. Phys. 130, 133–139 (2020). https://doi.org/10.1134/S1063776119120057
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DOI: https://doi.org/10.1134/S1063776119120057