Abstract
The effects of composition on the performance of hybrid photovoltaic cells based on PbSe nanocrystal quantum dot(NQD)/poly(3-hexylthiophene) nanocomposites were studied. The device performance and the absorption property strongly depended on the loading of PbSe. To improve the device performance, a pure light-absorbing P3HT film was inserted underneath the blended layer of P3HT and PbSe nanocrystal quantum dots in the active region. Such a design allowed for the employment of a thinner bulk heterojunction for more efficient carrier collection without an excessive reduction of the overall light absorption by the photovoltaic cell. The measured device performance showed a significant improvement over previously reported hybrid cells containing bulk heterojunctions of P3HT and Pb(S, Se) nanocrystal quantum dots.
| Original language | English (US) |
|---|---|
| Title of host publication | Energy, Environment and Biological Materials |
| Publisher | Trans Tech Publications Ltd |
| Pages | 38-43 |
| Number of pages | 6 |
| ISBN (Print) | 9783037851159 |
| DOIs | |
| State | Published - 2011 |
Publication series
| Name | Materials Science Forum |
|---|---|
| Volume | 685 |
| ISSN (Print) | 0255-5476 |
| ISSN (Electronic) | 1662-9752 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
All Science Journal Classification (ASJC) codes
- General Materials Science
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering
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