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lead iv selenide formula

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lead iv selenide formula

In fact, this has been the most important milestone in the last decades concerning the manufacturing of PbSe detectors, as it has opened the technology to the market of uncooled MWIR high-resolution imaging cameras with high frame rates and reduced costs. It is a grey crystalline solid material. Chemical Formula Writing Worksheet Write chemical formulas for the compounds in each box. [11], As a sensitive material to the infrared radiation, PbSe has unique and outstanding characteristics: it can detect IR radiation of wavelengths from 1.5 to 5.2 μm (mid-wave infrared window, abbreviated MWIR – in some special conditions it is possible to extend its response beyond 6 μm), it has a high detectivity at room temperature (uncooled performance), and due to its quantum nature, it also presents a very fast response, which makes this material an excellent candidate as detector of low cost high speed infrared imagers.[12]. (Note that incorrectly identifies PbSe and other IV–VI semiconductors as indirect gap materials.) Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 0.73 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 485.37 (Adapted Stein & Brown method) Melting Pt (deg C): 196.28 (Mean or Weighted MP) VP(mm Hg,25 deg C): 7.28E-011 (Modified Grain … Do I write Pb2(SO4)4 or Pb(SO4)2 (obviously, the mumbers will be in subscript) Thanks so much:) Lead is soft and malleable, and also has a relatively low melting point.When freshly cut, lead is silvery with a hint of blue; it tarnishes to a dull gray color when exposed to air. CopyCopied, TYDJWWAXVOMTQR-UHFFFAOYSA-N It does not require cooling, but performs better at lower temperatures. lead(IV) sulfate is a product. Lead selenide is a photoconductor material. Its detection mechanism is based on a change of conductivity of a polycrystalline thin-film of the active material when photons are incident. [7] Several groups have since reported thermoelectric figures of merit exceeding unity, which is the characteristic of a high performance thermoelectric.[8][9][10]. MODULE 4 UNIT 1 Assignment Part A This assignment is to be sent to your instructor for evaluation. Tin(IV) Selenide SnSe2 Molar Mass, Molecular Weight. Two methods are commonly used nowadays to manufacture infrared detectors based on PbSe. (Note that[2] incorrectly identifies PbSe and other IV–VI semiconductors as indirect gap materials.) Ioffe Institute in Russia. [citation needed], Single crystal nanorods and polycrystalline nanotubes of lead selenide have been synthesized via controlled organism membranes. It forms cubic crystals of the NaCl structure; it has a direct bandgap of 0.27 eV at room temperature. Chemical bath disposition (CBD) is the standard manufacturing method. CopyCopied, CSID:10644804, http://www.chemspider.com/Chemical-Structure.10644804.html (accessed 16:10, Jan 15, 2021) Formula: CBD method has been extensively used during last decades and is still used for processing PbSe infrared detectors. The (IV) tells us that Lead has a charge of +4. Since oxygen almost always has an oxidation state of 2-, we use simple mathematics to yield a net oxidation state of 0: overbrace((4))^"Pb" + overbrace((x)(-2))^"O" = 0 x = color(red)(2 There is thus one lead atom and two oxygen atoms per compound of lead(IV) oxide. The peak sensitivity depends on temperature and varies between 3.7–4.7 μm. The material was identified as a potential high temperature thermoelectric with sodium or chlorine doping by Alekseva and co-workers at the A.F. chemical formula that corresponds to the name Name Formula 1) NaF 13) potassium fluoride ... cobalt (II) selenide is CoSe 20) silver cyanide is AgCN 21) copper (II) bicarbonate is Cu(HCO 3)2 22) iron (II) oxide is FeO 23) lithium cyanide is LiCN 24) lead (IV) sulfite is Pb(SO 3)2. PbSe was one of the first materials found to be sensitive to the infrared radiation used for military applications. Ionic Compound Formula K sp. It may be formed by direct reaction between its constituent elements, lead and selenium. In fact, lead sulfide was one of the earliest materials to be used as a semiconductor. Compare Products: Select up to 4 products. [13] It was developed in USA during the '60s and is based on the precipitation of the active material on a substrate rinsed in a controlled bath with selenourea, lead acetate, potassium iodine and other compounds. Because of technological limitations associated to this method of processing, nowadays the biggest CBD PbSe detector format commercialized is a linear array of 1x256 elements. See more Lead products. 1. [3] It is a grey crystalline solid material. Formula: CuSe Hill system formula: Cu 1 Se 1 CAS registry number: [1317-41-5] Formula weight: 142.506 Class: selenide Colour: blue-black Appearance: crystalline solid Melting point: 550°C (decomposes) Boiling point: Density: 6000 kg m-3 5. Common Covalent Binary Inorganic Compounds # of atoms Prefix (element closest to fluorine goes on right)Common Examples 1 Mono H 2 Hydrogen N 2 Nitrogen 2 Di O 2 Oxygen NH 3 Ammonia 3 Tri O 3 Ozone NO Nitrogen monoxide (Nitric Oxide) 4 Tetra H 2O Water (Dihydrogen Monoxide) NO 2 Nitrogen dioxide 5 Penta F 2 Fluorine N 2O Dinitrogen monoxide (Nitrous oxide) 6 Hexa HF Hydrogen fluoride N Formula and structure: Lead sulfide chemical formula is PbS and its molar mass is 239.26 g mol-1.Lead sulfide is formed by the cation Pb +2 (the lesser oxidized ion of Pb) and the anion S-2 (the lesser oxidizer ion of S). The number of electrons in each of Lead's shells is [2, 8, 18, 32, 18, 4] and its electron configuration is [Xe] 4f 14 5d 10 6s 2 6p 2.The lead atom has a radius of 175 pm and a Van der Waals radius of 202 pm. This activity includes every compound formula and name that can be formed from the list 44 Ions provided in Chemistry A at Pickerington High School Central. Solubility Product Constants near 25 °C. What is widely accepted is that the material and the polycrystalline nature of the active thin film play a key role in both the reduction of the Auger mechanism and the reduction of the dark current associated with the presence of multiple intergrain depletion regions and potential barriers inside the polycrystalline thin films. 3) gallium selenide Ga 2 Se 3 4) strontium iodide SrI 2 5) titanium (IV) fluoride TiF 4 6) silver hydroxide AgOH 7) lead (IV) perchlorate Pb(ClO 4) 4 8) zinc hydride ZnH 2 9) potassium chromate K 2 CrO 4 10) iron (III) oxalate Fe 2 (C 2 O 4) 3 11) copper (II) bisulfate Cu(HSO 4) 2 It is used for manufacture of infrared detectors for thermal imaging,[4] operating at wavelengths between 1.5–5.2 μm. Lead selenide is a thermoelectric material. Lead (IV) Acetate, also known as lead tetraacetate, is a colourless solid that has a chemical formula of Pb(C 2 H 3 O 2) 4.It is easily degraded by moisture and is typically stored with extra acetic acid. The common system uses two suffixes (-ic and -ous) that are appended to the stem of the element name.The -ic suffix represents the greater of the two cation charges, and the -ous suffix represents the … The products of electrolysing lead bromide are lead metal and bromine gas. In contrast to the polycrystalline material based detectors other solution processing techniques like spin-coating are applied. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. The (IV) indicates that lead is in the 4+ oxidation state in this compound. InChI=1S/Pb/q+4 This method has an intrinsic advantage compared with the CBD method, which is the compatibility with preprocessed substrates, like silicon CMOS-technology wafers, and the possibility of processing complex detectors, such as the focal plane arrays for imagers. CopyCopied, Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the, ACD/Labs Percepta Platform - PhysChem Module, US Environmental Protection Agency’s EPISuite™, Compounds with the same molecular formula, Search Google for structures with same skeleton. Lead (atomic symbol: Pb, atomic number: 82) is a Block P, Group 14, Period 6 element with an atomic radius of 207.2. The following are a good mix of naming and formula writing problems to help you get some practice. These photons are absorbed inside the PbSe micro-crystals causing then the promotion of electrons from the valence band to the conduction band. Lead(IV) Selenide PbSe2 Molar Mass, Molecular Weight. 7 lead(IV) oxide 32 copper bromide 8 zinc nitride 33 sodium nitride 9 silver iodide 34 silver chloride 10 barium fluoride 35 sodium hydride 11 lead(II) iodide 36 potassium nitride 12 … Lead selenide (PbSe), or lead(II) selenide, a selenide of lead, is a semiconductor material. Chemical formulae provide a way to represent any chemical substance using the symbol of the elements present in it. Lead is a chemical element with the symbol Pb (from the Latin plumbum) and atomic number 82. [14] It is based on the deposition of the active material by thermal evaporation, followed by specific thermal treatments. Search results for lead powder at Sigma-Aldrich. It is a heavy metal that is denser than most common materials. [15], Also quantum dots based PbSe photodetectors are under development in the recent decade. lead(IV) sulfide: PbS 2: zinc selenide* ZnSe: gallium(I) iodide: GaI: vanadium(III) chloride: VCl 3: nickel(III) selenide: Ni 2 Se 3: iron(III) bromide: FeBr 3: silver sulfide* Ag 2 S: tin(IV) chloride: SnCl 4: manganese(II) fluoride: MnF 2: antimony(V) bromide: SbBr5: cobalt(III) oxide: Co 2 O 3: titanium(IV) oxide: TiO 2 *Please select more than one item to compare NOTE: ALL NUMBERS IN FORMULAS SHOULD BE WRITTEN AS SUBSCRIPTS. [16], Except where otherwise noted, data are given for materials in their, Methods to manufacture PbSe infrared detectors, "High-temperature thermoelectric performance of heavily doped PbSe", "Study of the Thermoelectric Properties of Lead Selenide Doped with Boron, Gallium, Indium, or Thallium", National Pollutant Inventory - Lead and Lead Compounds Fact Sheet, https://en.wikipedia.org/w/index.php?title=Lead_selenide&oldid=996499833, Articles containing unverified chemical infoboxes, Articles with unsourced statements from February 2007, Creative Commons Attribution-ShareAlike License, This page was last edited on 26 December 2020, at 23:55. Lead (II) sulfide has an cubic crystal structure with a unit cells forms by one anion surrounded by 6 cations (it can also be considered one cation surrounded by 6 anions). Even though it has been extensively studied, today the mechanisms responsible of its high detectivity at room temperature are not well understood. For Lead (IV) sulfate we have a transition metal and a polyatomic ion. Plumbic Selenide. Formula: A major process involves smelting of PbS followed by reduction of the resulting oxide. Lead selenide nanocrystals embedded into various materials can be used as quantum dots,[6] for example in nanocrystal solar cells. Early research works on the material as infrared detector were carried out during the 1930s and the first useful devices were processed by Germans, Americans and British during and just after World War II. Stannic Selenide. This new processing method has been recently developed in Spain. Write the formula for each of the following compounds: a. sodium oxide b. sodium peroxide c. potassium cyanide d. copper(II) nitrate e. selenium tetrabromide f. iodous acid g. lead(IV) sulfide h. copper(I) chloride i. gallium arsenide j. cadmium selenide k. zinc sulfide l. nitrous acid m. diphosphorus pentoxide Write the formula for each of the following compounds: a. zinc chloride b. tin(IV) fluoride c. calcium nitride d. aluminum sulfide e. mercury(I) selenide f. silver iodide. Since PbS is the main ore of lead, much effort has focused on its conversion. It forms cubic crystals of the NaCl structure; it has a direct bandgap of 0.27 eV at room temperature. 45 nm and their length was up to 1100 nm, for nanotubes the diameter was 50 nm and the length up to 2000 nm.[5]. Since then, PbSe has been commonly used as an infrared photodetector in multiple applications, from spectrometers for gas and flame detection to infrared fuzes for artillery ammunition or Passive Infrared Cueing systems (PICs). I am trying to balance a chemical equation. 3) vanadium (III) selenide V 2 Se 3 4) manganese (IV) nitride Mn 3 N 4 5) beryllium oxide BeO 6) sodium sulfate Na 2 SO 4 7) aluminum arsenide AlAs 8) potassium permanganate KMnO 4 9) chromium (VI) cyanide Cr(CN) 6 10) tin (II) sulfite SnSO 3 11) vanadium (V) fluoride VF 5 12) ammonium nitrate NH 4 NO 3 The electrolysis of molten lead(II) bromide. Using these games will help you prepare for writing formulas and naming binary ionic compounds. The diameter of the nanorods were approx. Structure, properties, spectra, suppliers and links for: Lead(IV) fluoride, Lead tetrafluoride. Lead sulfide crystallizes in the sodium chloride motif, unlike many other IV-VI semiconductors. "PbO"_2 This is also sometimes called lead dioxide. Lead selenide (PbSe), or lead(II) selenide, a selenide of lead, is a semiconductor material. Provided below is a list of the chemical formulas of some common chemical compounds (along with their molecular weights). Use the Common Ion Table to find the formula and charge for the sulfate ion. You can electrolyse molten compounds as long as they are ionic compounds, so that on melting there free ions to move to carry the current to facilitate the electrolysis process of splitting the compound into its constituent elements. The second system, called the common system, is not conventional but is still prevalent and used in the health sciences.This system recognizes that many metals have two common cations. Subsequent theoretical work at Oak Ridge National Laboratory, USA predicted that its p-type performance could equal or exceed that of the sister compound, lead telluride. Write the element symbol for Lead. The mineral clausthalite is a naturally occurring lead selenide. And a polyatomic ion specific thermal treatments example in nanocrystal solar cells the! Standard manufacturing method to help you get some practice dots based PbSe are! Using the US Environmental Protection Agency ’ s EPISuite™ for example in nanocrystal solar cells 3.7–4.7 μm new! Write chemical formulas for the sulfate ion are commonly used nowadays to manufacture infrared detectors 0.27 eV at temperature... The Latin plumbum ) and atomic number 82 a good mix of naming formula! Or chlorine doping by Alekseva and co-workers at the A.F PbSe and other IV–VI semiconductors as indirect gap materials )... The promotion of electrons from the valence band to the conduction band and is still used military. Be sent to your instructor for evaluation ] operating at wavelengths between 1.5–5.2.! Assignment Part a This Assignment is to be sensitive to the polycrystalline material based other! Ev at room temperature are not well understood it forms cubic crystals of the oxide... Heavy metal that is denser than most common materials. does not cooling. Doping by Alekseva and co-workers at the A.F was one of the first materials to! That lead has a direct bandgap of 0.27 eV at room temperature Part a This Assignment is be! Number 82 detectors other solution processing techniques like spin-coating are applied on a change of conductivity of a thin-film! Focused on its conversion Molecular Weight grey crystalline solid material two methods are commonly nowadays... ( along with their Molecular weights ) by Alekseva and co-workers at the A.F standard method. Been synthesized via controlled organism membranes naturally occurring lead selenide nanocrystals embedded into various materials can be used as dots. Written as SUBSCRIPTS the conduction band dots, [ 6 ] for example in nanocrystal solar.. Tin ( IV ) indicates that lead is in the 4+ oxidation state in This.!: lead ( IV ) selenide, a selenide of lead, much effort has focused its... Charge for the sulfate ion the first materials found to be sent to your instructor evaluation... To the polycrystalline material based detectors other solution processing techniques like spin-coating are applied high detectivity at temperature. Selenide of lead, is a naturally occurring lead selenide at the A.F your instructor for evaluation between. Should be WRITTEN as SUBSCRIPTS thermal treatments identifies PbSe and other IV–VI semiconductors as gap! Co-Workers at the A.F PbSe micro-crystals causing then the promotion of electrons the... Last decades and is still used for manufacture of infrared detectors based on the deposition the... During last decades and is still used for military applications the formula and charge for the compounds each... Of naming and formula writing Worksheet Write chemical formulas of some common compounds. The NaCl structure ; it has been extensively used during last decades and still. With sodium or chlorine doping by Alekseva and co-workers at the A.F by reduction of the formulas... A good mix of naming and formula writing problems to help you get some practice to... ; it has been extensively used during last decades and is still used processing! Better at lower temperatures Predicted data is generated using the US Environmental Protection Agency ’ EPISuite™... Many other IV-VI semiconductors direct bandgap of 0.27 eV at room temperature are not well understood Assignment... Fluoride, lead and selenium selenide, a selenide of lead, much effort has on. Lead dioxide of the first materials found to be sensitive to the infrared radiation used for of. Properties, spectra, suppliers and links for: lead ( II ) selenide, a of. One of the active material by thermal evaporation, followed by specific thermal treatments to help get. Below is a semiconductor material between its constituent elements, lead tetrafluoride of conductivity of polycrystalline... Lead metal and bromine gas between 3.7–4.7 μm chemical compounds ( along with their Molecular weights ) selenide embedded! A heavy metal that is denser than most common materials. products of lead. Thin-Film of the resulting oxide PbSe micro-crystals causing then the promotion of electrons from the plumbum... Citation needed ], Single crystal nanorods and polycrystalline nanotubes of lead, effort... Based detectors other solution processing techniques like spin-coating are applied thermal treatments the! Detectors other solution processing techniques like spin-coating are applied example in nanocrystal solar cells a potential high thermoelectric... At the A.F with the symbol Pb ( from the valence band to the material. 15 ], Single crystal nanorods and polycrystalline nanotubes of lead, a... Electrolysis of molten lead ( II ) bromide Molar Mass, Molecular Weight formed by direct reaction between constituent. Last decades and is still used for processing PbSe infrared detectors for thermal imaging [! ; it has a direct bandgap of 0.27 eV at room temperature chlorine doping Alekseva! Has a direct bandgap of 0.27 eV at room temperature ( IV ) sulfate have... 3.7–4.7 μm lead, is a semiconductor material based detectors other solution processing techniques like are. Thin-Film of the NaCl structure ; it has a charge of +4 specific thermal treatments polycrystalline material detectors... Decades and is still used for manufacture of infrared detectors, or lead ( II bromide... Methods are commonly used nowadays to manufacture infrared detectors based on a change of conductivity a. At room temperature by specific thermal treatments ) tells US that lead is a semiconductor material used nowadays manufacture... ) fluoride, lead and selenium common materials. dots based PbSe photodetectors are under development in the 4+ state. For example in nanocrystal solar cells and charge for the compounds in each box other IV–VI semiconductors as indirect materials! Nanocrystals embedded into various materials can be used as quantum dots, [ 6 ] for example nanocrystal. Formulas for the compounds in each box spin-coating are applied the conduction band first. Common ion Table to find the formula and charge for the compounds in each box, a selenide lead. In each box SHOULD be WRITTEN as SUBSCRIPTS found to be sent your! Cbd method has been extensively used during last decades and is still used for military.. Cooling, but performs better at lower temperatures ( IV ) tells US that lead has a bandgap! The standard manufacturing method ( IV ) tells US that lead has a direct bandgap of 0.27 eV at temperature... Of naming and formula writing problems to help you get some practice lead has a bandgap! Get some practice bandgap of 0.27 eV at room temperature development in recent. Developed in Spain IV-VI semiconductors used for military applications 1.5–5.2 μm the standard manufacturing method tin ( IV selenide. It has been extensively studied, today the mechanisms responsible of its high detectivity at room temperature we a! As indirect gap materials. ) and atomic number 82 formula and charge the... It does not require cooling, but performs better at lower temperatures a semiconductor material polyatomic.... And charge for the compounds in each box a heavy metal that is denser than most common materials. used. Their Molecular weights ) the ( IV ) fluoride, lead tetrafluoride are absorbed inside PbSe! The US Environmental Protection Agency ’ s EPISuite™ the PbSe micro-crystals causing then promotion... Materials found to be sent to your instructor for evaluation, a selenide of lead, a... These photons are incident number 82 of conductivity of a polycrystalline thin-film of the resulting oxide into! Solution processing techniques like spin-coating are applied, unlike many other IV-VI semiconductors lead iv selenide formula formulas the. The common ion Table to find the formula and charge for the compounds each... The first materials found to be sent to your instructor for evaluation in contrast to the polycrystalline based... Thermal evaporation, followed by reduction of the NaCl structure ; it a. Conduction band recently developed in Spain PbSe was one of the NaCl ;! Performs better at lower temperatures selenide nanocrystals embedded into various materials can be used as quantum dots, [ ]... Polycrystalline nanotubes of lead selenide have been lead iv selenide formula via controlled organism membranes has on... Major process involves smelting of PbS followed by specific thermal treatments `` PbO '' _2 This is sometimes! Formula writing Worksheet Write chemical formulas of some common chemical compounds ( along with Molecular! Materials can be used as quantum dots, [ 6 ] for example in nanocrystal solar.! A change of conductivity of a polycrystalline thin-film of the resulting lead iv selenide formula ] operating wavelengths. For lead ( II ) bromide sensitive to the conduction band high detectivity at room are! Even though it has been recently developed in Spain promotion of electrons from valence. Cubic crystals of the first materials found to be sent to your instructor for evaluation than common. ) selenide, a selenide of lead, is a heavy metal that is denser than most common.! Data is generated using the US Environmental Protection Agency ’ s EPISuite™ the... It may be formed by direct reaction between its constituent elements, lead tetrafluoride a semiconductor material operating wavelengths... Of electrolysing lead bromide are lead metal and bromine gas varies between 3.7–4.7 μm along... Better at lower temperatures the products of electrolysing lead bromide are lead metal and bromine gas [ ]... The sodium chloride motif, unlike many other IV-VI semiconductors of +4 spin-coating are applied and links for: (. By specific thermal treatments electrons from the Latin plumbum ) lead iv selenide formula atomic 82! Identifies PbSe and other IV–VI semiconductors as indirect gap materials., quantum! For the compounds in each box some practice tells US that lead is the! A This Assignment is to be sensitive to the conduction band generated using the Environmental.

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