Unpredicted electron injection in CdS/CdSe quantum dot sensitized ZrO 2 solar cells

Shlomit Greenwald; Sven Rühle; Menny Shalom; Shay Yahav; Arie Zaban

doi:10.1039/c1cp22290b

Unpredicted electron injection in CdS/CdSe quantum dot sensitized ZrO ₂ solar cells

Shlomit Greenwald
, Sven Rühle
, Menny Shalom
, Shay Yahav
, Arie Zaban

Department of Chemistry

Bar-Ilan University

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

A quantum dot sensitized solar cell based on a porous ZrO₂ film, sensitized with CdSe quantum dots using CdS as an intermediate layer is presented. We observe electron injection from photo-excited quantum dots into the ZrO₂, which is unexpected due to the much higher conduction band edge (closer to the vacuum level) of bulk ZrO₂ compared to TiO ₂.

Original language	English
Pages (from-to)	19302-19306
Number of pages	5
Journal	Physical Chemistry Chemical Physics
Volume	13
Issue number	43
DOIs	https://doi.org/10.1039/c1cp22290b
State	Published - 21 Nov 2011

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10.1039/c1cp22290b

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abstract = "A quantum dot sensitized solar cell based on a porous ZrO2 film, sensitized with CdSe quantum dots using CdS as an intermediate layer is presented. We observe electron injection from photo-excited quantum dots into the ZrO2, which is unexpected due to the much higher conduction band edge (closer to the vacuum level) of bulk ZrO2 compared to TiO 2.",

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AU - Yahav, Shay

AU - Zaban, Arie

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AB - A quantum dot sensitized solar cell based on a porous ZrO2 film, sensitized with CdSe quantum dots using CdS as an intermediate layer is presented. We observe electron injection from photo-excited quantum dots into the ZrO2, which is unexpected due to the much higher conduction band edge (closer to the vacuum level) of bulk ZrO2 compared to TiO 2.

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Unpredicted electron injection in CdS/CdSe quantum dot sensitized ZrO ₂ solar cells

Abstract

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