2013
DOI: 10.1016/j.tsf.2012.10.019
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Effect of thickness on optical properties of thermally evaporated SnS films

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Cited by 41 publications
(14 citation statements)
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“…The variations in and with wavelength are shown inFigures 6 and 7. The refractive index varied in the range 3.1-3.3 whereas the extinction coefficient changed from 0.03 to 0.1 as observed by other works in the literature[19][20][21].…”
supporting
confidence: 67%
“…The variations in and with wavelength are shown inFigures 6 and 7. The refractive index varied in the range 3.1-3.3 whereas the extinction coefficient changed from 0.03 to 0.1 as observed by other works in the literature[19][20][21].…”
supporting
confidence: 67%
“…Bulk Se 75 Te 25 and Se 75 Te 17 Ge 8 alloys have prepared from the melt by a quenching technique. The corresponding thin films have successfully deposited onto glass 5.…”
Section: Discussionmentioning
confidence: 99%
“…Whereas, the guessed value k i is estimated from the following equation [24]: It is clearly seen that the refractive index shows anomalous dispersion in the wavelength spectral range 500-850 nm beyond which (λ 4850 nm) the variation of the refractive index shows normal dispersion behavior. The observed anomalous dispersion was attributed to the resonance effect between the incident electromagnetic radiation and the electron's polarization, which leads to the coupling of electrons in the deposited films at the oscillating electric field [25]. In the normal dispersion region above (λ4 850 nm), the refractive index dispersion can be analyzed by using the effective single-oscillator model, developed by Wemple and DiDomenico [26].…”
Section: Structural Characterizationmentioning
confidence: 99%
“…So the decrease in bandgap in these films with increase in deposition time can be attributed mainly to increase in both the grain size and the film thickness with increase in deposition time. For SnS thin films, decrease in band gap with increase in film thickness has been observed several times for films deposited at near room temperature [23][24]38,62]. Use of SnS thin films with the band gap of the order of 1.7 eV as absorber layer deposited by CBD have been reported recently [43].…”
Section: Optical Analysismentioning
confidence: 96%