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Tauc plot refined
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DOI：10.1515/phys-2025-0275.png)
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Abstract
En 中文
The Tauc plot is a well-known method for determining the bandgap of amorphous and crystalline semiconductors, using the measured absorption coefficient. The common Tauc plot method remains a widely used and effective approach for estimating the bandgap of diverse materials, thus exhibiting that it is a versatile tool in studying material properties. When experimental misapplications, such as inappropriate spectral range selection, are properly addressed, an accuracy on the order of +/- 50 meV can be achieved. Furthermore, the refined Tauc plot methods, incorporating improved data preprocessing and fitting strategies, enable even greater precision in bandgap determination, alongside a larger set of extracted parameters.
Keywords:
Urbach tail
fundamental bandgap
strong absorption
Journal
O
IF:
1.8
Papers:
69
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0