PbS colloidal quantum dots as an effective hole transporter for planar heterojunction perovskite solar cells

Long Hu; Weiwei Wang; Huan Liu; Jun Peng; Hefeng Cao; Gang Shao; Zhe Xia; Wanli Ma; Jiang Tang

doi:10.1039/c4ta04272g

PbS colloidal quantum dots as an effective hole transporter for planar heterojunction perovskite solar cells

Long Hu, Weiwei Wang, Huan Liu, Jun Peng, Hefeng Cao, Gang Shao, Zhe Xia, Wanli Ma^*, Jiang Tang^*

^*Corresponding author for this work

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

79 Citations (Scopus)

Abstract

Here, we applied colloidal quantum dots (CQDs) as an effective p-type hole-transporting material (HTM) for planar heterojunction perovskite solar cells. By tuning the size of PbS CQDs, we engineered the energy alignment of the valence and conduction band of this new HTM with the perovskite light harvester and achieved conversion efficiencies up to 7.5%. Absorption of PbS CQDs also extends the absorption spectrum of perovskite solar cells into the infrared region. This journal is

Original language	English
Pages (from-to)	515-518
Number of pages	4
Journal	Journal of Materials Chemistry A
Volume	3
Issue number	2
DOIs	https://doi.org/10.1039/c4ta04272g
Publication status	Published - 14 Jan 2015
Externally published	Yes

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AU - Hu, Long

AU - Wang, Weiwei

AU - Liu, Huan

AU - Peng, Jun

AU - Cao, Hefeng

AU - Shao, Gang

AU - Xia, Zhe

AU - Ma, Wanli

AU - Tang, Jiang

PY - 2015/1/14

Y1 - 2015/1/14

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AB - Here, we applied colloidal quantum dots (CQDs) as an effective p-type hole-transporting material (HTM) for planar heterojunction perovskite solar cells. By tuning the size of PbS CQDs, we engineered the energy alignment of the valence and conduction band of this new HTM with the perovskite light harvester and achieved conversion efficiencies up to 7.5%. Absorption of PbS CQDs also extends the absorption spectrum of perovskite solar cells into the infrared region. This journal is

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JF - Journal of Materials Chemistry A

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PbS colloidal quantum dots as an effective hole transporter for planar heterojunction perovskite solar cells

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