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Title | Single Crystal, High Band Gap CdS Thin Films Grown by RF Magnetron Sputtering in Argon Atmosphere for Solar Cell Applications |
Authors |
Rupali, Kulkarni
Amit, Pawbake Ravindra, Waykar Ashok, Jadhawar Haribhau, Borate Rahul, Aher Ajinkya, Bhorde Shruthi, Nair Priyanka, Sharma Sandesh, Jadkar |
ORCID | |
Keywords |
CdS films RF magnetron sputtering Low angle XRD Raman spectroscopy EDX spectroscopy |
Type | Article |
Date of Issue | 2018 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/69283 |
Publisher | Sumy State University |
License | Copyright not evaluated |
Citation | Single Crystal, High Band Gap CdS Thin Films Grown by RF Magnetron Sputtering in Argon Atmosphere for Solar Cell Applications [Текст] / K. Rupali, P. Amit, W. Ravindra [et al.] // Журнал нано- та електронної фізики. - 2018. - Т.10, № 3. - 03005. - DOI: 10.21272/jnep.10(3).03005. |
Abstract |
Single crystal thin films of CdS were grown onto glass substrates by RF magnetron sputtering at var ious
substrate temperatures. Structural, optical and morphology properties of these films were investigated
through low angle XRD, Raman spectroscopy, scanning electron microscopy (SEM), energy dispersive x-ray
(EDX) spectroscopy, UV-Visible spectroscopy etc. Formation of single crystal CdS films has been confirmed
by low angle XRD and Raman spectroscopy analysis. Low angle XRD showed that CdS films has preferred
orientation in (111) direction. Improvement of crystallinity and increase in average grain size of CdS crystallites
has been observed with increase in substrate temperature. Surface morphology investigated using
SEM showed that CdS films deposited over entire range of substrate temperature are highly smooth,
dense, homogeneous, and free of flaws and cracks. The EDX data revealed the formation of high-quality
nearly stoichiometric CdS films by RF magnetron sputtering. Furthermore, the CdS films deposited at low
substrate temperatures (< 200 0C) are slightly S rich while deposited at higher substrate temperatures
(> 200 0C) are slightly Cd rich. The UV-Visible spectroscopy analysis showed that an average transmission
~ 80-90 % in the visible range of the spectrum having band gap ~ 2.28 -2.38 eV, which is quite close to the
optimum value of band gap for a buffer layer in CdTe/CdS, Cu2S/CdS hetero-junction solar cells. |
Appears in Collections: |
Журнал нано- та електронної фізики (Journal of nano- and electronic physics) |
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File | Size | Format | Downloads |
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JNEP_03005.pdf | 703.98 kB | Adobe PDF | 1674030672 |
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