— XPS was used to further investigate the mechanism of arsenic, phosphorus and chromium sorption by the bismuth modified biochars (Fig. 4). Bismuth peaks corresponding to Bi4f were found almost same in the surface of Bi-impregnated biochar and other adsorbed materials. The binding energy of 159.6 and 164.9 eV represented the …
WhatsApp: +86 18221755073
— The study of the band structure and crystal symmetry of the semimetal bismuth indicates that this material is a higher-order topological insulator hosting robust one-dimensional metallic states on ...
WhatsApp: +86 18221755073
— The use of bismuth in the society has steadily increased during the last decades, both as a substitute for lead in hunting ammunition and various metallurgical applications, as well as in a range of consumer products. At the same time, the environmental behavior of bismuth is largely unknown. Here, the binding of bismuth(III) …
WhatsApp: +86 18221755073
DOI: 10.1016/j.colsurfa.2023.132722 Corpus ID: 265029182; Bismuth dichalcogenide-exfoliated Bi2Se3 nanosheets: A novel approach for hexavalent chromium and azo compound photocatalysis
WhatsApp: +86 18221755073
Semiconductor photocatalysis is the most efficient advanced oxidation processes for wastewater treatment. A new carbon-based photocatalyst bismuth oxide/multi-walled carbon nanotube (Bi 2 O 3 /MWCNT) nanocomposite has a considerable impact on improving photocatalytic performance. Bi 2 O 3 /MWCNTs (BMC) nanocomposite was …
WhatsApp: +86 18221755073
— The development of easily recyclable non-noble metal plasmonic photocatalysts with high performance is highly desired for the removal of Cr(VI). Herein, the in-situ growth of plasmonic-bismuth (Bi) combined with magnetic ferroferric (Fe3O4) nanoparticles on biochar (BC) was rea …
WhatsApp: +86 18221755073
— Bismuth nanoparticles anchored on N-doped graphite felts to give stable and efficient iron-chromium redox flow batteries. ... Iron-chromium redox flow batteries (ICRFBs) use abundant and inexpensive chromium and iron as the active substances in the electrolyte and have great potential as a cost-effective and large-scale energy storage …
WhatsApp: +86 18221755073
— Nitrogen-Doped Bismuth Oxide-Modified Carbon Cloth as a Bifunctional Electrocatalyst for Iron–Chromium Redox Flow Batteries. Yinping Liu, Yingchun Niu, +6 …
WhatsApp: +86 18221755073
New investigations reported in this paper were realized with the aim of determining a new bismuth chromium material which might be potentially ionic and electronic conductor, namely a so called MIEC, acronym for mixed-ionic–electronic conductor. Indeed, beside the ionic conductivity expected for the ␦-Bi2 O3 network, the ability of chromium ...
WhatsApp: +86 18221755073
— Ram, S. & Narayan, K. A. Controlled crystallization of lead oxide-chromium oxide-boron oxide (PbO–Cr 2 O 3 –B 2 O 3) glasses and a catalytic effect of alumina for the growth of lead chromate ...
WhatsApp: +86 18221755073
— A simple, near-ambient pressure solid-state method was developed to nominally synthesize BiFe 0.5 Cr 0.5 O 3.The procedure allowed the gram-scale production of multiferroic samples with appreciable purity and large amounts of Cr incorporation that were suitable for systematic structural investigation by neutron, X-ray, and electron …
WhatsApp: +86 18221755073
— Bismuth-based metal–organic frameworks (Bi-MOFs) and their derivatives are a class of emerging promising coordination polymers with intriguing properties and …
WhatsApp: +86 18221755073
Element Bismuth (Bi), Group 15, Atomic Number 83, p-block, Mass 208.980. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
WhatsApp: +86 18221755073
DOI: 10.1039/d2nj01005d Corpus ID: 249139154; Enhanced Photocatalytic Reduction of Hexavalent Chromium by using Piezo-Photo Active Calcium Bismuth Oxide Ferroelectric Nanoflakes.
WhatsApp: +86 18221755073
— Electrochemical conversion of carbon dioxide (CO2) into high-value chemical products has become a dramatic research area because of the efficient exploitation of carbon resources and …
WhatsApp: +86 18221755073
— Metallic bismuth is used principally in alloys, to many of which it imparts its own special properties of low melting point and expansion on solidification (like water and antimony). Bismuth is thus a useful component of type-metal alloys, which make neat, clean castings; and it is an important ingredient of low-melting alloys, called fusible alloys, …
WhatsApp: +86 18221755073
— With BC/Bi/Fe 3 O 4 as a working electrode, the higher removal efficiency (97%) was achieved than that using BC/Bi (65%), BC/Fe 3 O 4 (79%) or Bi/Fe 3 O 4 (66%) after 160 min under visible light irradiation, rooting from wide spectral absorption and efficient separation of photogenerated carriers.
WhatsApp: +86 18221755073
— Abstract Inorganic pigments have been very important substances for human life for thousands of years. They have contributed and continue to contribute to the beautification of our daily life and habitat and to the accentuation and differentiation of objects, and influence thoughts, moods, and feelings. The industrial manufacture of …
WhatsApp: +86 18221755073
— Herein, a composite electrode [PDA–Bi–treated carbon cloth (TCC)] modified with polydopamine (PDA)-assisted immobilization of the bismuth oxide (Bi 2 O 3) catalyst is prepared. Bi 2 O 3 as a catalyst can …
WhatsApp: +86 18221755073
— Materials protection by 'in situ' oxidation has been studied in stagnant lead–bismuth, with different oxygen levels (H 2 /H 2 O ratios of 0.3 and 0.03), at temperatures from 535 °C to 600 °C and times from 100 to 3000 h. The materials tested were the martensitic steels F82Hmod, EM10 and T91 and the austenitic stainless steels, …
WhatsApp: +86 18221755073
— Bismuth oxyhalide family such as Bi 3 O 5 I 5, Bi 7 O 9 I 3, Bi 5 O 7 I, Bi 4 O 5 I 2 and BiOI have good photocatalytic performance in solar radiation [116]. Some of the morphologies of bismuth oxyiodide that were reported are three-dimensional microsphere, hollow microsphere, flower-like microsphere, nanosheet form, square-like form, flake ...
WhatsApp: +86 18221755073
— The contamination by hexavalent chromium and organic pollutants is a serious health issue. Moreover, hexavalent chromium can react with organic pollutants to form a complex which is difficult to treat, and thus remains in the natural environment for long times. Simultaneous photocatalysis can remove both organic pollutants and …
WhatsApp: +86 18221755073
— Here we report the synthesis of ferroelectric calcium bismuth oxide (CBO) nanoflakes and demonstrate the influence of the piezo-photo impact on the improved photoreduction of hexavalent chromium, Cr(VI), under visible light irradiation. The structure, morphological, optical, and ferroelectric characteristics of the CBO nanoflakes were ...
WhatsApp: +86 18221755073
— The hydrothermal oxidation of Ce 3+ in basic aqueous solution by NaBi V O 3 at 240 °C produces fine powders of cerium−bismuth oxides with crystallite sizes of less than 10 nm, as observed by transmission electron microscopy (TEM). Analysis of X-ray absorption near-edge structure at the Bi L III and Ce L III edges confirms the reduction …
WhatsApp: +86 18221755073
— Bismuth is an attractive electrocatalyst from an economic perspective and has been tested extensively in VRFBs and Fe-Cr RFBs. 16–28 Unfortunately, bismuth metal deposition often cannot be …
WhatsApp: +86 18221755073
— Removal of chromium from the natural environment has been actively examined through many approaches such as reverse osmosis (Das et al., 2006), ... Ti was transformed into an anatase crystal phase whereas Bi was transformed into bismuth oxide (Bi 2 O 3). The anatase TiO 2 diffraction peaks were observed at two theta 25.2°, 54.1°, ...
WhatsApp: +86 18221755073
— Chromium is essential in many industrial activities, such as leather tanning, dyeing, glass, galvanic industries, and ceramics; however, it results in hexavalent chromium species in the wastewater. ... K.F. Enhanced photocatalytic removal of hexavalent chromium and organic dye from aqueous solution by hybrid bismuth titanate Bi 4 Ti 3 O …
WhatsApp: +86 18221755073
— Bismuth-Aurivillius oxide materials, which have a general chemical formula of Bi 2 A n-1 B n O 3n+3 (A = Ca, Sr, Ba, Pb, Na; B = Ti, Nb, Ta, Mo, W), have attracted increasing attention due to their layered structure, excellent physical properties, and outstanding chemical properties. Structurally, the valence band of the bismuth oxide …
WhatsApp: +86 18221755073
— P-E hysteresis loop of chromium doped, and pure Bismuth ferrite nanostructures were measured researchers at room temperature. As shown in Fig. 13 (a&b), a significant increase in the hysteresis is observed with the increase in the dopant concentration. Low leakage current and increase of remanent polarization (3 times) in …
WhatsApp: +86 18221755073
— In this work, for the first time, combustion synthesis with mannitol was used to obtain materials based on bismuth chromates formed in the ternary systems MeO–Cr 2 O 3 –Bi 2 O 3 (Me = Sr, Ca). This synthesis method is considered a special case of the sol-gel process, the advantages of which are: reduced energy consumption and a high degree …
WhatsApp: +86 18221755073
— Bismuth metal electrodeposition has been demonstrated as a method to enable electrochemically reversible redox kinetics of CrPDTA and to improve the voltage efficiency of a CrPDTA/Fe (CN) 6 aqueous …
WhatsApp: +86 18221755073
— The morphology of BC/Bi/Fe 3 O 4 was further studied by the transmission electron microscopy (TEM) (Fig. 3 a, b). TEM images demonstrate that the rod was compactly covered with nanoparticles. The rod should be biochar and nanoparticles were Bi and Fe 3 O 4, confirming the growth of Bi/Fe 3 O 4 nanoparticles on biochar. …
WhatsApp: +86 18221755073
— The orange-red photoluminescence (ORPL) in Bismuth-doped materials has been noted since the work of Lecoq de Boisbaudran 1, who observed this luminescence in MSO (_{4}):Bi (M = Zn, Cd and Pb ...
WhatsApp: +86 18221755073
Binary ionic compounds are between a metal and nonmetal. This does not mean there are two atoms, but two types of atoms, so Al 2 S 3 is a binary ionic compound. The rules are …
WhatsApp: +86 18221755073
— To fully utilize the solar energy, researchers have made significant efforts to develop new catalysts with visible light response [10], [11], [12].Interestingly, bismuth-based catalysts have been widely studied because of their superior unique structures with appropriate band gap widths and photocatalytic performances [13], [14], [15].The …
WhatsApp: +86 18221755073