Piezoelectric-polarization-enhanced photovoltaic performance in depleted-heterojunction quantum-dot solar cells

Jian Shi; Ping Zhao; Xudong Wang

doi:10.1002/adma.201203021

Piezoelectric-polarization-enhanced photovoltaic performance in depleted-heterojunction quantum-dot solar cells

Jian Shi, Ping Zhao, Xudong Wang

Mechanical & Industrial Engineering

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

100 Scopus citations

Abstract

Piezoelectric polarization at the ZnO/PbS-quantum-dot (QD) interface can be used to engineer the heterojunction band structure and manipulate the width of the depletion region in the QD layer. This piezotronic modulation enhances charge extraction from the PbS QDs and improves the photovoltaic efficiency of depleted-heterojunction QD solar cells.

Original language	English (US)
Pages (from-to)	916-921
Number of pages	6
Journal	Advanced Materials
Volume	25
Issue number	6
DOIs	https://doi.org/10.1002/adma.201203021
State	Published - Feb 13 2013

Keywords

piezoelectric polarization
piezotronics
quantum-dot photovoltaics

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

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abstract = "Piezoelectric polarization at the ZnO/PbS-quantum-dot (QD) interface can be used to engineer the heterojunction band structure and manipulate the width of the depletion region in the QD layer. This piezotronic modulation enhances charge extraction from the PbS QDs and improves the photovoltaic efficiency of depleted-heterojunction QD solar cells.",

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AU - Zhao, Ping

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AB - Piezoelectric polarization at the ZnO/PbS-quantum-dot (QD) interface can be used to engineer the heterojunction band structure and manipulate the width of the depletion region in the QD layer. This piezotronic modulation enhances charge extraction from the PbS QDs and improves the photovoltaic efficiency of depleted-heterojunction QD solar cells.

KW - piezoelectric polarization

KW - piezotronics

KW - quantum-dot photovoltaics

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Piezoelectric-polarization-enhanced photovoltaic performance in depleted-heterojunction quantum-dot solar cells

Abstract

Keywords

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