Spray pyrolysis synthesized Cu(In,Al)(S,Se)2 thin films solar cells

Spray pyrolysis synthesized Cu(In,Al)(S,Se)2 thin films solar cells

Cu(In,Al)(S,Se)2 thin films are prepared by the Spray pyrolysis of aqueous precursor solutions of copper, indium, aluminium and sulphur sources. The bandgap of the films was engineered by aluminium (Al) doping in CISSe films deposited on molybdenum (Mo) coated glass substrate. The as-sprayed thin fi...

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Bibliographic Details
Main Authors: Muhammad Aamir Hassan, Mohammad Mujahid, Leow, Shin Woei, Wong, Lydia Helena
Other Authors: School of Materials Science and Engineering
Format: Article
Language:English
Published: 2020
Subjects:
Engineering::Materials
Thin Films
Solar Cell
Online Access:https://hdl.handle.net/10356/140595
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Institution: Nanyang Technological University
Language: English
Description
Summary:Cu(In,Al)(S,Se)2 thin films are prepared by the Spray pyrolysis of aqueous precursor solutions of copper, indium, aluminium and sulphur sources. The bandgap of the films was engineered by aluminium (Al) doping in CISSe films deposited on molybdenum (Mo) coated glass substrate. The as-sprayed thin films were selenized at 500 °C for 10 min. Cadmium sulphide (CdS) buffer layer was deposited by chemical bath deposition process. Solar cell devices were fabricated with configuration of glass/Mo/CIASSe/CdS/i-ZnO/AZO. The solar cell device containing thin film of Cu(In,Al)(S,Se)2 with our optimized composition shows j-V characteristics of Voc = 0.47 V, jsc = 21.19 mA cm−2, FF = 52.88% and power conversion efficiency of 5.27%, under AM 1.5, 100 mW cm−2 illumination.

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