Study and Development of Photovoltaic Structures Based on Quantum Dot Solids of PbS with Various Ligands
- Авторы: Zvaigzne M.1, Aleksandrov A.2, Gol’tyapin Y.1, Lypenko D.2, Tameev A.2, Nikitenko V.1, Chistyakov A.1
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Учреждения:
- National Research Nuclear University MEPhI
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry
- Выпуск: Том 44, № 11 (2018)
- Страницы: 1010-1012
- Раздел: Article
- URL: https://journals.rcsi.science/1063-7850/article/view/208032
- DOI: https://doi.org/10.1134/S1063785018110305
- ID: 208032
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Аннотация
The photoconductivity of condensates of lead-sulfide quantum dots (QDs)—QD solids—with various organic ligands is studied. It is demonstrated that the QD solid photoconductivity increases exponentially with a reduction in length of ligand molecules and does not depend on their chemical structures, since it is governed by hopping transport of charge carriers. In contrast, the photocurrent in photovoltaic ITO/PEDOT: PSS/PbS/ZnO/Al elements depends on the ligand structure, since this structure sets the positions of QD energy levels and thus affects the efficiency of charge carrier transfer to electrodes. The difference between mechanisms of generation of photoconductivity and photovoltaic currents is discussed.
Об авторах
M. Zvaigzne
National Research Nuclear University MEPhI
Автор, ответственный за переписку.
Email: mariazvaigzne@gmail.com
Россия, Moscow, 115409
A. Aleksandrov
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry
Email: mariazvaigzne@gmail.com
Россия, Moscow, 119071
Ya. Gol’tyapin
National Research Nuclear University MEPhI
Email: mariazvaigzne@gmail.com
Россия, Moscow, 115409
D. Lypenko
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry
Email: mariazvaigzne@gmail.com
Россия, Moscow, 119071
A. Tameev
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry
Email: mariazvaigzne@gmail.com
Россия, Moscow, 119071
V. Nikitenko
National Research Nuclear University MEPhI
Email: mariazvaigzne@gmail.com
Россия, Moscow, 115409
A. Chistyakov
National Research Nuclear University MEPhI
Email: mariazvaigzne@gmail.com
Россия, Moscow, 115409