Abstract
Ultra-thin photovoltaic (PV) devices were produced by atmospheric pressure metal organic chemical vapour deposition (AP-MOCVD) incorporating a highly absorbing intermediate sulphurised FeSx layer into a CdS/ CdTe structure. X-ray diffraction (XRD) confirmed a transitional phase change to pyrite FeS2 after post growth sulphur (S) annealing of the FeSx layer between 400 °C and 500 °C. Devices using a superstrate configuration incorporating a sulphurised or non-sulphurised FeSx layer were compared to p–n devices with only a CdS/CdTe structure. Devices with sulphurised FeSx layers performed least efficiently, even though pyrite fractions were present. Rutherford back scattering (RBS) confirmed deterioration of the CdS/FeSx interface due to S inter-diffusion during the annealing process.
| Original language | English |
|---|---|
| Pages (from-to) | 7360-7363 |
| Journal | Thin Solid Films |
| Volume | 519 |
| Issue number | 21 |
| DOIs | |
| Publication status | Published - 2011 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
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