Antimony. Antimony is a chemical element with the symbol Sb (from Latin: stibium) and atomic number 51. A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb2S3). Antimony compounds have been known since ancient times and were powdered for use as medicine and cosmetics, often known by the Arabic name kohl.
Semantic Scholar extracted view of "High resolution XPS study of the large-band-gap semiconductor stibnite (Sb2S3): Structural contributions and surface reconstruction" by V. Zakaznova-Herzog et al. ... The electronic structure of the inorganic misfit-layer compounds (SbS)1.15(TiS2)n (n=1,2) has been investigated using X-ray …
General Stibnite Information : Chemical Formula: Sb2S3 : Composition: Molecular Weight = 339.70 gm Antimony 71.68 % Sb Sulfur 28.32 % S _____ 100.00 % : Empirical Formula: Sb 2 S 3: Environment: Dimorphous with metastibnite, compare bismuthinite, guanajuatite, animonselite. IMA Status: Valid Species (Pre-IMA) 1832 ...
Earth-abundant antimony trisulfide (Sb 2 S 3 ), or simply antimonite, is a promising material for capturing natural energies like solar power and heat flux. The …
The kinetics of oxidative dissolution of natural stibnite (Sb2 S 3) under environmentally relevant conditions is investigated. The effects of hydrogen ion activity (pH 1.08–10.63), dissolved oxygen saturation (p (O2) from 0 to 80% of atmospheric pressure), and temperature (25–48 °C) on the reaction rate were studied using a mixed flow reactor.
Orthorhombic Sb2S3 (stibnite) and its amorphous Sb2S3/C composite were synthesized by solid-state routes, such as heat treatment and high energy mechanical milling (HEMM). X-ray diffraction, X-ray photoelectron spectroscopy and high resolution transmission electron microscopy confirmed that the amorphous Sb2S3/C composite …
Sb2S3. Surprisingly, the determined by EPMA of films grown using Sb2S5 shows sulphur deficiency in the while the composition of the films grown using Sb2S3 was the same as …
The kinetics of oxidative dissolution of natural stibnite (Sb2S3) under environmentally relevant conditions is investigated. The effects of hydrogen ion activity (pH 1.08–10.63), dissolved ...
Their structural properties reveal that the Mn-doped Sb2S3 TF has an orthorhombic phase structure of Sb2S3, and that the grain size of the Mn-doped Sb2S3 TF (72.9 nm) becomes larger than that of ...
The reported crystalline properties of both modified CBD and CBD methods were found to be stibnite Sb 2 S 3 having an average Sb 2 S 3 crystallite size of 40 nm …
The Raman spectra of ZnO/TiO 2 core-shell NW heterostructures covered with a Sb 2 S 3 shell grown by CSP using 30, 50, 70, and 90 cycles are presented in Figure 3. A very small laser power density ...
The crystal structure of stibnite [Sb 2 S 3, Pnma, a =11.314 (2), b =3.837 (2), c =11.234 (3) Å, V = 487.7 (3) Å 3 at 293 K] was refined in situ at 230, 173, and 128 K.
The crystal structures of Sb 2 S 3 and the five ternary compounds of composition m: n = 3:1, 2:1, 4:3, 6:5, and 1:1 on the join (SnS) m (Sb 2 S 3) n are built from ribbons of edge-sharing M S 5 pyramids; SnS contains the same substructure in the form of infinite two-dimensional sheets. The ribbons lie in two orientations 50–58° apart and are ...
The kinetics of oxidative dissolution of natural stibnite (Sb 2 S 3) under environmentally relevant conditions is investigated. The effects of hydrogen ion activity (pH 1.08–10.63), dissolved oxygen saturation (p (O 2) from 0 to 80% of atmospheric pressure), and temperature (25–48 °C) on the reaction rate were studied using a mixed flow ...
Antimony (Latin: stibium) is a chemical element with symbol Sb and atomic number 51. A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb2S3). Antimony compounds have been known since ancient times and were used for cosmetics; metallic antimony was also known, but it was erroneously identified as lead.
Stibnite (Sb2S3) is the predominant ore mineral of antimony. Antimony compounds help prevent skin burns, increase battery life, and refine glass used for cellphones. A surprising 83% of antimony consumed stateside is imported—mostly from China—leaving the US susceptible to supply disruption. The largest domestic antimony …
Fluorene-based hole transport materials (HTMs) with terminating thiophene units are explored, for the first time, for antimony sulfide (Sb2S3) solar cells. These HTMs possess largely simplified synthesis processes and high yields compared to the conventional expensive hole conductors making them reasonably economical. The thiophene unit …
Stibnite bulk samples used in the present work were taken from Geological Museum, V-S-R-College, Tenali (A.P.), India (exact source not known). The grayish black samples were in the form of single crystal which had needle like structure along c-axis typical of layered compounds. They had high resistivity of10~ 10~Q.cm, characteristic of Sb2S3 ...
Antimony sulfide (Sb2 S 3, stibnite) is a semiconductor nanomaterial with orthorhombic crystal structure [1, 2]. It has outstanding properties and potential applications in …
In this study, an advanced characterization of several types of Sb 2 S 3 samples, involving the Rietveld refinement of structural properties, and Raman …
Sb 2 S 3 nanoparticles anchored on 3D porous N-doped carbon nanofibers (SNCFs) were prepared by a concise two step method.. The electrochemical performance of SNCFs was studied when it was used as the anode material in SIBs. • The rate capability and specific capacity of SNCF electrodes were improved by combining Sb 2 S 3 …
Stibnite or antimonite is sulfide metalloid mineral of antimony with chemical formula (Sb2 S 3 ). The color is shiny lead-gray tarnishing to black with massive, granular, radiating, and elongated crystals habits ( Fig. 1.50 ). The mineral contains 71.7% antimony in its natural purest form. Stibnite crystallizes in orthorhombic system, needle ...
This paper is concerned with the kinetics of stibnite (Sb2S3) dissolution in H2SO4-NaCl-Fe(SO4)1.5-O2 solutions. The experimental results of our study showed a positive effect from ferric ions on ...
Introduction Stibnite (Sb2S3), a binary compound of the type A~~, is a technologically important solid, on ac- count of its high photosensitivity and high thermo- power [1]. However, Sb2S3 is characterised by high electrical resistivity (108_1OQ ~ cm) at room tem- perature and therefore very little is yet known about the transport mechanism …
Antimony trisulphide(Sb 2 S 3) is also known as stibnite and it is a water insoluble compound. HCl is alkaline agent. Let us study briefly about HCl and Sb 2 S 3 compounds. Antimony trisulphide is a solid, dark gray-black color, odorless compound. It is covalently bonded and it has a resonating structure. This is naturally occurring …
Natural stibnite ore ... Antimony sulfide (Sb2S3) has drawn widespread attention as an ideal candidate anode material for sodium-ion batteries (SIBs) due to its high specific capacity of 946 mA h g−1 in conversion and alloy reactions. ... stibnite is a significant raw mineral material used to obtain antimony and antimony compounds …
Stibnite is a mineral composed of antimony sulfide (Sb2S3). It has a distinctive silvery-gray to lead-gray color and is known for its unique crystal structure. Here are some of its chemical, physical, and optical properties: Chemical Properties: 1. Chemical Formula:Sb2S3 2. Chemical …
On the structure of stibnite (Sb2S3) December 1996. Journal of Materials Science 31 (6507) DOI: 10.1007/BF00356255. Authors: Arun Palakkandy. S.G.T.B. Khalsa College, University of Delhi, Delhi...
Nine moles of Dioxygen [O2] and two moles of Stibnite [Sb2S3] react to form two moles of Antimony Trioxide [Sb2O3] and six moles of Sulfur Dioxide [SO2] Show Chemical Structure Image ... Replace immutable groups in compounds to avoid ambiguity. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = …
From the XRD patterns shown in Fig. 1 (a), the Sb 2 S 3 thin films post-annealed at different temperatures all presented the stibnite structure of Sb 2 S 3 ... First principles prediction of the elastic, electronic, and optical properties of Sb2S3 and Sb2Se3 compounds. Solid State Sci., 14 (2012), pp. 1211-1220.
Micro-Raman spectra of stibnite recorded using different intensities of the 632.8 and 532 nm laser show substantial difference (Fig. 1).The intensity of the red-laser adjusted to 0.04 mW was insufficient to obtain Raman spectrum whereas the excitation of 0.46 mW provided spectrum in which the dominant peaks occurred at 305 and 280 cm …
2.3. Oxidation dissolution rates of stibnite. Here we estimate the reaction rates of Sb 2 S 3 oxidative dissolution by Sb dissolution rates, Sb(III) oxidation rates and S(-II) oxidation rates, using the following equation from Gleisner et al. (2005). (4) R Sb 2 S 3 = α / BET · m · c Where R Sb2S3 is the stibnite reaction rates (mol m −2 sec), α is the slope (mol …
From Wikipedia, the free encyclopediaAntimony is a chemical element with symbol Sb (from Latin:stibium) and atomic number 51.A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb2S3). Antimony compounds have been known since ancient times and were used for cosmetics; metallic antimony was also known, but it …
Stibnite (Sb2S3), a compound of the elements antimony and sulfur, occasionally forms nests of delicate, six-sided crystals, but examples this large and intricate are exceedingly rare. The unique specimen on display at the Museum was spared from destruction by alert miners in the Wuning (Wuling) antimony mine in Jiangxi Province of …
The crystal structure of stibnite [Sb2S3, Pnma, a=11.314(2), b=3.837(2), c=11.234(3) Å, V= 487.7(3) Å3 at 293 K] was refined in situ at 230, 173, and 128 K. It is a major characteristic of the structure that the Sb–S secondary bonds enclosing Sb 5s2 inert lone-pair electrons at 293 K are significantly shorter than the corresponding sum of the …
The results indicate that in inert atmosphere, stibnite can be volatilized most efficiently as Sb2S3 (g) at a linear rate below 850 °C, with activation energy of 137.18 kJ/mol, and the reaction ...