Statistical theory of multiple exciton generation in quantum dot solar cells
Б. Л. ОксенгендлерInstitute of Polymer Chemistry and Physics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, UzbekistanN. N. TuraevaInstitute of Polymer Chemistry and Physics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, UzbekistanС. Ш. РашидоваInstitute of Polymer Chemistry and Physics, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
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ABI
Annotatsiya
The high efficiency of quantum dot solar cells is determined by the so-called multiple exciton generation (MEG) effect in quantum dots when a single photon is absorbed. The present work proposes a statistical approach to the process of simultaneous generation of many excitons in quantum dots when a high-energy photon is absorbed. This approach is based on the statistical Fermi approach to simultaneous generation of elementary particles (nucleons and π-mesons) in the nucleon-nucleon collision. Analysis of the results shows that the exciton quantum yields calculated using the statistical approach agree rather well with the experimental data.
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