Synthesis and optical characterization of nanocrystalline fluorine-doped tin oxide films: conductive window layer for optoelectronic applications

Abdel-Galil, A.; Moussa, N.L.; Yahia, I.S.

doi:10.1007/s00339-021-04632-4

Cited by 15 publications

(2 citation statements)

References 65 publications

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“…As discussed previously, F is an efficient anionic dopant and several reports exist on F‐doped SnO 2 thin films fabricated especially using the chemical spray pyrolysis method. [ 41–48 ] The ionic radius of O is 1.35 Å which is comparable to the ionic radius of F (1.28 Å). In addition, F has one electron excess than that of O, and therefore, F is used as an effective anionic dopant.…”

Section: Introductionmentioning

confidence: 89%

Anionic Fluorine and Cationic Niobium Codoped Tin Oxide Thin Films as Transparent Conducting Electrodes for Optoelectronic Applications

Muniramaiah

Reddy

Santhosh

et al. 2023

Physica Status Solidi (a)

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Exploration of alternatives for supplementing indium tin oxide electrode is currently trending due to scarcity of indium, leading to a steep increase in the cost of related optoelectronic components. Codoping of niobium (Nb) and fluorine (F) into SnO2 lattice as cationic and anionic dopants, respectively, is explored by spray deposition technique. A fixed 10 wt% F and varying Nb concentration from 0 to 5 wt% is incorporated into the SnO2 lattice. X‐ray diffraction reveals substitution of Nb and F into the SnO2 lattice without altering the structure. Optical transmittance is found to increase with Nb content up to 4% of Nb (77.59%), and it decreases thereafter. Scanning electron microscope and optical profiler imply a relatively smooth surface with sharp‐tipped particles which vary with Nb concentration. Sheet resistance decreases up to 3 wt% of Nb doping and increases thereafter. Contact angle measurement indicates that upon doping with Nb, the films turn hydrophilic. Among the deposited films, 4 wt% of Nb‐doped film shows the highest figure of merit of 5.01 × 10−3 Ω−1. The surface work function of the 4 wt% Nb‐doped SnO2 film is 4,687.85 meV. The optimal films are tested as electrodes in dye‐sensitized solar cells and are discussed in detail.

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Section: Introductionmentioning

confidence: 89%

Anionic Fluorine and Cationic Niobium Codoped Tin Oxide Thin Films as Transparent Conducting Electrodes for Optoelectronic Applications

Muniramaiah

Reddy

Santhosh

et al. 2023

Physica Status Solidi (a)

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“…The absorption coefficient α(λ) and refractive index n(λ) of the thin films under study can be evaluated via the Swanepoel manner [32], which depends on the transmittance interference fringes [33,34]. The refractive index provides us information about the electronic polarization, local fields, and phase velocity of light propagating in the material.…”

Section: Structural Study Of Nanostructured Zno Thin Filmsmentioning

confidence: 99%

Optimal thickness and annealing temperature for enhancement of structural, optical, and photocatalytic properties of ZnO thin films

2022

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Thin films of ZnO, with distinct thicknesses, were deposited on soda-lime glass substrates by sol–gel spin-coating as a cost-effective method without any evacuation facilities. The nanocrystalline structure of the deposited films was indexed by the atomic force microscope and X-ray diffraction techniques. The average grain size increases with the increase of the film thickness and annealing temperature. The energy-dispersive X-ray technique has been used to check the atomic ratios of Zn and O with the film thickness and heat treatment for homogeneous ZnO films. ZnO films show elevated transmission in the visible spectrum as a transparent semiconductor material. Optical constants, like absorption coefficient, optical band gap, and refractive index, were obtained by the Swanepoel method. All thin film samples were applied for photodegradation of reactive orange 96 (RO96) to evaluate the effect of thickness and annealing temperature on the ZnO film’s photocatalytic activity. ZnO 4L (400 °C, 3 h) film possesses the highest rate of photodegradation about 0.1 min−1 for RO96 with high stability and reusability.

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Impact of radiation on CoO-doped borate glass: lead-free radiation shielding

et al. 2021

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Synthesis and optical characterization of nanocrystalline fluorine-doped tin oxide films: conductive window layer for optoelectronic applications

Cited by 15 publications

References 65 publications

Anionic Fluorine and Cationic Niobium Codoped Tin Oxide Thin Films as Transparent Conducting Electrodes for Optoelectronic Applications

Anionic Fluorine and Cationic Niobium Codoped Tin Oxide Thin Films as Transparent Conducting Electrodes for Optoelectronic Applications

Optimal thickness and annealing temperature for enhancement of structural, optical, and photocatalytic properties of ZnO thin films

Impact of radiation on CoO-doped borate glass: lead-free radiation shielding

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