Abstract
A photoacoustic spectrometer is described which has been constructed to measure the spectra of photovoltaic materials in the ultra violet, visible and near infra red regions. The range of this photoacoustic spectrometer is from 0.3 to 1.8 micrometers. This technique has the advantage of being non- intrusive and non-destructive. Measurements have been made of a variety of photovoltaic materials, including a CdS/CuIn1- xGaxSe2 heterojunction and an InP/InGaAsP quantum well layer system. Bands arising from intrinsic impurity subgap levels were observed beyond the band edges.
| Original language | English |
|---|---|
| Pages (from-to) | 481-487 |
| Number of pages | 7 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 3110 |
| DOIs | |
| State | Published - 1997 |
| Externally published | Yes |
| Event | 10th Meeting on Optical Engineering in Israel - Jerusalem, Israel Duration: 2 Mar 1997 → 2 Mar 1997 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Photoacoustic spectroscopy
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