Fullerene for the Improvement of PbS QDs-Based Hybrid Solar Cells


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Аннотация

In the present study, the hybrid photovoltaic devices based on PbS quantum dots (QDs) and poly(3-hexylthiophene-2,5diyl) have been fabricated. The effect of the insertion of [6,6]-phenyl C71 butyric acid methyl ester (PCBM) into the hybrid blend has been investigated and analyzed by using light and dark current density-voltage measurement, and impedance spectroscopy: capacitance-frequency and capacitance-voltage measurement. It is demonstrated that the introduction of PCBM into solar cells improves their efficiency with the optimal PCBM concentration of 3 wt %. It is shown that the main contribution in limitation of solar cells efficiency is brought by shallow traps induced by air exposure.

Авторлар туралы

I. Korzhenevskii

Center of Optical Information Technologies, Saint Petersburg National Research University of Information Technologies, Mechanics and Optics

Хат алмасуға жауапты Автор.
Email: sanakiro@yandex.ru
Ресей, St. Petersburg, 197101

D. Onishchuk

Center of Optical Information Technologies, Saint Petersburg National Research University of Information Technologies, Mechanics and Optics

Хат алмасуға жауапты Автор.
Email: onishchuk.dmitry@gmail.com
Ресей, St. Petersburg, 197101

A. Babaev

Center of Optical Information Technologies, Saint Petersburg National Research University of Information Technologies, Mechanics and Optics

Хат алмасуға жауапты Автор.
Email: a.a.babaev@corp.ifmo.ru
Ресей, St. Petersburg, 197101

A. Dubavik

Center of Optical Information Technologies, Saint Petersburg National Research University of Information Technologies, Mechanics and Optics

Хат алмасуға жауапты Автор.
Email: adubavik@yandex.ru
Ресей, St. Petersburg, 197101

P. Parfenov

Center of Optical Information Technologies, Saint Petersburg National Research University of Information Technologies, Mechanics and Optics

Хат алмасуға жауапты Автор.
Email: qrspeter@gmail.com
Ресей, St. Petersburg, 197101

A. Litvin

Center of Optical Information Technologies, Saint Petersburg National Research University of Information Technologies, Mechanics and Optics

Хат алмасуға жауапты Автор.
Email: litvin88@gmail.com
Ресей, St. Petersburg, 197101

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