Photocurrent Switching on Electrophoretic CdSe QD Electrodes with Different Ligands

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 01 Jun 2019 Belarus English Publisher:World Scientific Pub Co Pte LtJournal:International Journal of Nanoscience, volume 18, page 1,940,053 (issn: 0219-581X, eissn: 1793-5350,

Copyright policy )Funded by:EC | SMARTELECTRODES

Authors: Aniskevich Yauhen; Malashchonak Mikalai; Antanovich Artsiom; Prudnikau Anatol; Ragoisha Genady; Streltsov Eugene;

doi: 10.1142/s0219581x19400532 , 10.5281/zenodo.3715191 , 10.5281/zenodo.3715190

Photocurrent Switching on Electrophoretic CdSe QD Electrodes with Different Ligands

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Abstract

Photoelectrochemical behavior of oleate- and sulfide-capped CdSe QD films fabricated via electrophoretic deposition has been investigated in Na2SO3 aqueous electrolyte. The oleate substitution for sulfide led to considerable increase in photocurrent efficiency. Films of the both types show photocurrent switching under 465-nm light irradiation. The photocurrent direction switching potential strongly depends on the particle size demonstrating negative shift of the potential with size: from 0.0[Formula: see text]V for 2.4[Formula: see text]nm to [Formula: see text][Formula: see text]V for 6.3[Formula: see text]nm.

Country

Belarus

Related Organizations

TU Dresden
Germany
Belarusian State University
Belarus

Keywords

CdSe, quantum dots, photoelectrochemistry, photocurrent switching, ligand exchange, ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Химия

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