Optical and passivation properties of ZnO:fe on silicon substrates

Salem, M.; Salem, Jamel; Ghannam, Hajar; Massoudi, I.; Bourguiba, Fayçal; Gaidi, Mounir

doi:10.1007/s10854-022-09734-0

Cited by 14 publications

(6 citation statements)

References 16 publications

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“…Possibly increasing the PS's porosity, it doesn't appeared to be a difference in the PL sharp peaks. Prokes et al reported similar results [ 39 , 40 ]. The analysis revealed that a 40-min etching time was the optimum anodization time.…”

Section: Resultssupporting

confidence: 54%

Effect of different etching times on the structural, morphological, electrical, and antimicrobial properties of mesoporous silicon

Sivaprakash,

Venkatesan,

Muthu

et al. 2023

Heliyon

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Section: Resultssupporting

confidence: 54%

Effect of different etching times on the structural, morphological, electrical, and antimicrobial properties of mesoporous silicon

Sivaprakash,

Venkatesan,

Muthu

et al. 2023

Heliyon

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“…where D is the crystallite size (in nm), “ λ ” is the wavelength of the X‐ray used (in nm), “ β ” is the full width at half maximum (FWHM‐in radian), and “ θ ” is the Bragg diffraction angle [27] . The average crystallite size, D, is calculated as: 12.3, 8.4, and 14.4 nm for MgAl‐LDH, MgAl‐LDH/dye‐MA, and MgAl‐LDH/dye‐A, respectively.…”

Section: Resultsmentioning

confidence: 99%

Improving Photoluminescence Emissions and Photostability of Dye/MgAl‐Layered Double Hydroxide Nanohybrids

2023

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The purpose of this study was the preparation of layered double hydroxide (LDH) ‐based nanohybrids with improved photoluminescence emission and high photostability. The anion exchange‐based microwave method was applied for the intercalation of mordant orange 1 into MgAl‐LDH. The prepared organic‐inorganic nanohybrid was confirmed by X‐ray diffraction, thermal gravimetric analysis (TGA), inductively coupled plasma spectrometry (ICP), and infrared spectra (FT‐IR). Also, the morphology of the obtained sample was investigated using the field emission‐scanning electron microscopy (FE‐SEM) method. In the MgAl‐LDH interlayer space, a tilted orientation and bilayer arrangement were predicted for the mordant orange 1 anions. Compared with the pure mordant orange 1, the MgAl‐LDH/mordant orange 1‐MA (prepared using the microwave‐based anion exchange method) has improved photoluminescence emission with high Photostability. These findings supply a new approach for designing photoluminescence materials that potentially apply to optical devices with high Photostability.

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“…Most notably, doping is often recommended for ZnO which strongly ameliorated his physical e ciency [8]. On the other hand, a low sheet of resistance can be obtained by incorporating various dopants into ZnO matrix, for example Cu, Fe, Al and Ag, which improve the surface passivation quality [9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Surface Passivation of Crystalline Silicon Solar Cells by Cr:ZnO Coating Layers

Salem,

Ghannam,

Boussaid

et al. 2024

Silicon

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In this paper, ZnO thin lms with and without Cr doping were synthesized using a simple co-precipitation approach and coated on silicon substrates using spin-coating. The study assessed how the introduction of Cr doping content in uenced both the structural and opto-electronic characteristics of the lms.Analysis of crystal structure and surface morphology was conducted through techniques such as atomic force microscopy (AFM) and X-ray diffraction (XRD). Additionally, the evaluation of surface passivation and re ectivity in both Cr-doped and undoped ZnO lms was performed using methods involving FTIR and photoconductance. Notably, Chromium doping led to a remarkable increase in the effective minority carrier lifetime, which rose from 1.5 to 88 μs at a minority carrier density (n) of 1014 cm-3. Moreover, the re ectivity at λ= 500 nm decreased from 30% to around 7% upon coating silicon with Cr-doped ZnO.

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Optical and passivation properties of ZnO:fe on silicon substrates

Cited by 14 publications

References 16 publications

Effect of different etching times on the structural, morphological, electrical, and antimicrobial properties of mesoporous silicon

Effect of different etching times on the structural, morphological, electrical, and antimicrobial properties of mesoporous silicon

Improving Photoluminescence Emissions and Photostability of Dye/MgAl‐Layered Double Hydroxide Nanohybrids

Surface Passivation of Crystalline Silicon Solar Cells by Cr:ZnO Coating Layers

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