High efficiency quantum dot heterojunction solar cell using anatase (001) TiO 2 nanosheets

Lioz Etgar; Wei Zhang; Stefanie Gabriel; Stephen G. Hickey; Md K. Nazeeruddin; Alexander Eychmüller; Bin Liu; Michael Grätzel

doi:10.1002/adma.201104497

High efficiency quantum dot heterojunction solar cell using anatase (001) TiO ₂ nanosheets

Lioz Etgar^*
, Wei Zhang
, Stefanie Gabriel
, Stephen G. Hickey
, Md K. Nazeeruddin
, Alexander Eychmüller
, Bin Liu
, Michael Grätzel

^*Corresponding author for this work

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

159 Scopus citations

Abstract

This is the first report of using anatase TiO ₂ nanosheets with exposed (001) facets in a high-efficiency PbS quantum dot/TiO ₂ heterojunction solar cell. The TiO ₂ nanosheets have higher conduction band, and surface energy compared to normal anatase (101) TiO ₂ nanoparticles. This PbS QD/TiO ₂ heterojunction solar cell produces power conversion efficiency of 4.7% which is one of the highest reported in literature.

Original language	English
Pages (from-to)	2202-2206
Number of pages	5
Journal	Advanced Materials
Volume	24
Issue number	16
DOIs	https://doi.org/10.1002/adma.201104497
State	Published - 24 Apr 2012
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

anatase TiO
nanosheets
quantum dots
solar cells

Access to Document

10.1002/adma.201104497

Cite this

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abstract = "This is the first report of using anatase TiO 2 nanosheets with exposed (001) facets in a high-efficiency PbS quantum dot/TiO 2 heterojunction solar cell. The TiO 2 nanosheets have higher conduction band, and surface energy compared to normal anatase (101) TiO 2 nanoparticles. This PbS QD/TiO 2 heterojunction solar cell produces power conversion efficiency of 4.7\% which is one of the highest reported in literature.",

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AU - Zhang, Wei

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AU - Hickey, Stephen G.

AU - Nazeeruddin, Md K.

AU - Eychmüller, Alexander

AU - Liu, Bin

AU - Grätzel, Michael

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KW - nanosheets

KW - quantum dots

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