Influence of the surface ligand molecules length on the optical properties and photoconductivity of PbS quantum dot condensates

M. A. Zvaigzne; A. E. Aleksandrov; P. S. Samokhvalov; I. L. Martynov; D. A. Lypenko; A. R. Tameev; V. R. Nikitenko; A. A. Chistyakov

doi:10.1134/S1063785017100133

Influence of the surface ligand molecules length on the optical properties and photoconductivity of PbS quantum dot condensates

Авторы: Zvaigzne M.¹, Aleksandrov A.¹, Samokhvalov P.¹, Martynov I.¹, Lypenko D.², Tameev A.², Nikitenko V.¹, Chistyakov A.¹
Учреждения:
1. National Research Nuclear University MEPhI
2. Frumkin Institute of Physical Chemistry and Electrochemistry
Выпуск: Том 43, № 10 (2017)
Страницы: 879-881
Раздел: Article
URL: https://journals.rcsi.science/1063-7850/article/view/206125
DOI: https://doi.org/10.1134/S1063785017100133
ID: 206125

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Аннотация

The influence of ligands—organic molecules on the quantum dot (QD) surface—on the optical properties of thin-layer condensates of lead sulfide QDs and the photoconductivity of diode structures based on them has been investigated. A decrease in the ligand length by a factor of 4 is shown to reduce significantly the luminescence-decay time and increase exponentially the conductivity.