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 | |
| State | Published - Feb 13 2013 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- piezoelectric polarization
- piezotronics
- quantum-dot photovoltaics
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