期刊
REVIEW OF SCIENTIFIC INSTRUMENTS
卷 80, 期 4, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3103603
关键词
antimony compounds; energy gap; ferroelectric semiconductors; nanowires; porous semiconductors; reflectivity; semiconductor materials
资金
- MNiSzW (Poland) [N N507 1577 33]
Twelve methods of determining energy band gap (E-g) of semiconductors using diffuse reflectance spectroscopy have been applied in investigations of sonochemically produced antimony sulfoiodide (SbSI) consisting of nanowires. It has been proved that the best method of determining E-g is based on simultaneous fitting of many mechanisms of absorption to the spectral dependence of Kubelka-Munk function evaluated from the diffuse reflectance data. It allows determining the values of indirect forbidden E-g, the Urbach energy, and the constant absorption/scattering of the examined semiconductor.
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