Effect of transparent substrate on properties of CuInSe₂ thin films prepared by chemical spray pyrolysis.

ABSTRACT: In this paper, the properties of CuInSe₂ (CISe) films deposited on three transparent substrates (FTO, FTO/NiO_x, FTO/MoO₃) are studied. These substrates might be used for bifacial solar cells, in place of the conventional glass/Mo substrates. CISe layers are deposited by spray pyrolysis followed by a selenization process. For the same deposition conditions, the CISe layers on FTO show the largest grain size (~ 0.50 µm) and crystallinity, while FTO/MoO₃ substrates result in the smallest grains (~ 0.15 µm). The optical bandgap of the CISe films ranged from 1.35 eV for FTO substrate to 1.44 eV for FTO/MoO₃ substrate. All films show p-type conductivity, with the carrier densities of 1.6 × 10¹⁷ cm^-3, 5.4 × 10¹⁷

SUBMITTER: Hashemi M 

PROVIDER: S-EPMC9427856 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature