Textured perovskite cells
| Autor: | Marco Barink, Y. Tezsevin, J. van Deelen |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Materials science
Photon density 02 engineering and technology 010402 general chemistry 01 natural sciences Texturization General Materials Science Texture (crystalline) Absorption (electromagnetic radiation) Materials Perovskite (structure) TS - Technical Sciences Range (particle radiation) Industrial Innovation Perovskite solar cells business.industry Mechanical Engineering 021001 nanoscience & nanotechnology Condensed Matter Physics 0104 chemical sciences Wavelength Reflection (mathematics) TFT - Thin Film Technology Mechanics of Materials Nano Technology Optoelectronics 0210 nano-technology business Current density |
| Zdroj: | MRS Advances, 53, 2, 3091-3098 |
| ISSN: | 2059-8521 3091-3098 |
| Popis: | Most research of texturization of solar cells has been devoted to Si based cells. For perovskites, it was assumed that texturization would not have much of an impact because of the relatively low refractive indexes lead to relatively low reflection as compared to the Si based cells. However, our optical modeling shows that a significant gain in perovskite (1.55 Ev) absorption from 84.6% to 93.5% for the wavelength range of 400 nm up to 800 nm. The largest gain in absorption is achieved between wavelengths of 700 nm and 800 nm. Because this is a range with a high photon density, the current density increases up to 10rel.%. We have modeled different sine texture sizes and show generic trends in performance with texture. Moreover, by introducing a texture, the light is locally concentrated, depending on the texture configuration. This offers new cell architectures with optimized front and back contacts. |
| Databáze: | OpenAIRE |
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