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The present study reports on the electronic band structure and optical properties of Cs2AgBiBr6 doubleperovskite material using a pseudopotential plane-wave method within the generalized gradient approximation. Our results show that… Click to show full abstract
The present study reports on the electronic band structure and optical properties of Cs2AgBiBr6 doubleperovskite material using a pseudopotential plane-wave method within the generalized gradient approximation. Our results show that Cs2AgBiBr6 has a good absorption in the visible spectrum region, nevertheless, it has an indirect band gap of magnitude of 1.32 eV. This limits its application in photovoltaics. An alternative is proposed to overcome this shortcoming.
Keywords:
optical spectra;
band;
structure optical;
spectra double;
band structure
Journal Title: Acta Physica Polonica A
Year Published: 2020
Link to full text (if available)
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Journal Title: Acta Physica Polonica A
Year Published: 2020
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!