In this study, Antimony (Sb) doped tin oxide (SnO 2) thin films (ATO) were synthesized using the RF (radio frequency) sputtering technique with varying antimony concentrations (0, 3, 5, 7 wt%) and substrate temperatures of room temperature, 150 ℃, and 300 ℃.It was discovered that these thin films were tetragonal crystal structures with …
The factors influencing the adsorptive stripping capability were optimised, including the complexing agent concentration, plating concentration of antimony and …
This work describes a novel electrochemical sensor fabricated by an injection molding process. This device features a conductive polymer electrode encased in a plastic holder and …
Facile routes to metal oxide thin films are of interest because of the applicability to the microelectronics and gas sensing industries. Antimony oxide (Sb 2 O 3) has received interest as a co-catalyst [1], and as an additive in flame resistant polymers [2].Additionally it has been used as the base for a new type of glass [3], and has an …
The optimization of the composition of the plating solution and parameters of the antimony film plating step (concentration of a supporting electrolyte, Sb(III) and …
The use of an antimony film coated on a screen-printed carbon electrode (ex-situ SbSPCE) is proposed for the determination of Pd(II) at ppb levels in natural samples by adsorptive stripping voltammetry using dimethylglyoxime as chelating agent. Ex-situ SbSPCE produces a better analytical performance as compared to a …
Uniform and compact films of antimony and tellurium can be deposited from the mixtures over a wide range of acetamide:metal salt fractions. Uniform antimony tellurium films with compositions between 25 and 81 at.% Te can be deposited from molten acetamide containing various concentrations of antimony and tellurium.
In Sb-rich Sb 2 S 3 film, the carrier lifetime is limited by trap E2 (V S) and E3 (Sb S) in Sb-rich Sb 2 S 3 film which are estimated to be 64.6 and 28.4 ns (Table 1), …
The sheet resistance of antimony-doped films is a minimum at 3 mol.% Sb and the transmission decreases as the antimony concentration increases. The maximum figure of merit obtained for ATO films was 6.78 × 10-3 Ω-1 (Tr = 90.6% and R sh = 55 Ω/ ) for an antimony content of 3 mol.% and a nitrogen flow rate of 0.07 1 min-1. These …
Highly c-axis oriented undoped and antimony (Sb) doped zinc oxide (ZnO) thin films were deposited on a glass substrate by the sol–gel spin coating method. Six layers of deposition were repeated with 300 °C heat treatment for each layer then samples were annealed at 500 °C under an ambient atmosphere. Hall effect measurements …
The rapidly expanding demand for photovoltaics (PVs) requires stable, quick, and easy to manufacture solar cells based on socioeconomically and ecologically viable earth-abundant resources. Sb2S3 has been a potential candidate for solar PVs and the efficiency of planar Sb2S3 thin-film solar cells has witnessed a reasonable rise from 5.77% in 2014 to 8% in …
Antimony film electrodes (SbFEs) were prepared ex situ on various substrate electrodes (namely copper, gold, silver, polished silver solid amalgam, and glassy carbon electrode) and their performance was compared with bare substrate electrodes. The antimony film glassy carbon electrode (SbFGCE) provided the best results. …
Antimony selenosulfide (Sb2(S,Se)3) has obtained widespread concern for photovoltaic applications as a light absorber due to superior photoelectric features. ... (S,Se)3 film deposited via hydrothermal deposition approach to optimize its crystalline orientation and defect features. Supporting Information Accepted Articles. Accepted, …
A bismuth-antimony film electrode (Bi-SbFE) was employed for accumulative preconcentration of trace metals by adding 4 mg L-1 of bismuth and 1 mg L-1 of antimony directly to the sample solution ...
The Cu-doped Sb 2 S 3 thin film discloses the enhanced crystallinity with a grain diameter greater than 1 µm and conductivity along with improved carrier concentration. At the same time, the deep valance band obtains a minor upshift, favoring the hole extraction at back contact.
Antimony film electrodes (SbFEs) were prepared ex situ on various substrate electrodes (namely copper, gold, silver, polished silver solid amalgam, and glassy carbon electrode) and their performance was compared with bare substrate electrodes. The antimony film glassy carbon electrode (SbFGCE) provided the best results. …
The antimony concentration in the film and its physical properties were the same on both substrates. A figure of merit (Tr'Rs,, where Tr is the transmission at a particular wavelength and R,,, is the sheet resistance) was used to compare the performance of these films. The maximum figure of merit for Sn02 films (1.43 x 10-3 S2 …
The samples were prepared by varying the antimony concentration (0.1M, 0.15M, and 0.2M) at a pressure of 3.5 bar and a solution flow rate of 2 ml/min for 5 minutes, while the precursor solutions ...
A nafion-coated antimony film electrode (NSbFE) was prepared ex situ and applied to the model metal ions Pb(II) and Cd(II) by adsorptive stripping voltammetry in the presence of pyrogallol red (PGR). To enhance the electroanalytical performance of the NSbFE, we optimized several operational parameters, including antimony …
Antimony-Doped Tin(II) Sulfide Thin Films ... Higher concentrations (∼5%) of antimony did not convert the SnS(Sb) to low-resistivity n-type conductivity, but instead the films retain such a high resistance that the conductivity type could not be determined. Extended X-ray absorption fine structure analysis reveals that the highly doped films
The antimony film sensor was applied to the determination of Pb(II) and Cd(II) by anodic stripping voltammetry (ASV). The deposition of Sb on the sensor was studied by cyclic voltammetry (CV) and microscopy. The experimental variables (concentration of the antimony plating solution, deposition potential and time, stripping waveform) were ...
Abstract. The dependence of the composition of Sb 2 S 3 thin semiconducting films electrochemically deposited from an aqueous electrolyte containing SbOCl and Na 2 SO 3 on the conditions of galvanostatic electrolysis was studied. With an increase in the SbOCl concentration and electrolysis time, the antimony content of the …
Structure and composition characterization of Sb 2 S 3 films. Due to the high saturated vapor pressure of sulfur (50 mmHg at 300 °C) 12, the sulfur loss is inevitable and results in Sb-rich Sb 2 ...
In this work, Sb 2 Se y S 3-y films were prepared by hydrothermal method at 135 °C for 135 min. The influence of the growth solution volume, the mixing S source, the selenourea concentration and the etching by the N-butyldithiocarbamic acid (BDCA) solution in DMF on the thickness, the content of Sb–O, Se, S and the Se distribution in …
Two new procedures were elaborated to determine copper (II) using voltammetry at the antimony film carbon paste electrodes (SbF-CPEs). In the first one, copper (II) was accumulated from a medium of 0.01 M hydrochloric acid at −1.2 V for 120 s and, after a equilibration step of 15 s, followed with an anodic stripping using 25 Hz …
Mg-doped antimony sulphide (Sb2S3) thin films were deposited on glass substrates via chemical bath deposition at room temperature, with deposition times of 60 and 120 minutes. Post-deposition, films were annealed at 100°C, 200°C, and 300°C for 60 minutes. Optical properties, assessed using a UV-Vis spectrophotometer (200-1000 nm …
of metallic antimony, rather than the antimony-sulfur bonds found in films with lower concentrations of antimony. Introduction In the past few decades, tin(II) sulfide (SnS) has gained much attention as a possible alternative absorber material for the next generation of thin-film solar cells to replace the current best-