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lead iv selenide formula

lead iv selenide formula

Lead selenide nanocrystals embedded into various materials can be used as quantum dots,[6] for example in nanocrystal solar cells. The (IV) indicates that lead is in the 4+ oxidation state in this compound. It may be formed by direct reaction between its constituent elements, lead and selenium. See more Lead products. Chemical bath disposition (CBD) is the standard manufacturing method. Stannic Selenide. CBD method has been extensively used during last decades and is still used for processing PbSe infrared detectors. Chemical formulae provide a way to represent any chemical substance using the symbol of the elements present in it. Lead(IV) Selenide PbSe2 Molar Mass, Molecular Weight. 1. Compare Products: Select up to 4 products. 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 does not require cooling, but performs better at lower temperatures. Lead (atomic symbol: Pb, atomic number: 82) is a Block P, Group 14, Period 6 element with an atomic radius of 207.2. The material was identified as a potential high temperature thermoelectric with sodium or chlorine doping by Alekseva and co-workers at the A.F. 5. Chemical Formula Writing Worksheet Write chemical formulas for the compounds in each box. In contrast to the polycrystalline material based detectors other solution processing techniques like spin-coating are applied. The peak sensitivity depends on temperature and varies between 3.7–4.7 μm. 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. The diameter of the nanorods were approx. 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, CSID:10644804, http://www.chemspider.com/Chemical-Structure.10644804.html (accessed 16:10, Jan 15, 2021) 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 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. [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. The mineral clausthalite is a naturally occurring lead selenide. Formula: Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. These photons are absorbed inside the PbSe micro-crystals causing then the promotion of electrons from the valence band to the conduction band. Two methods are commonly used nowadays to manufacture infrared detectors based on PbSe. Use the Common Ion Table to find the formula and charge for the sulfate ion. Ionic Compound Formula K sp. [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]. 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]. Lead selenide is a photoconductor material. PbSe was one of the first materials found to be sensitive to the infrared radiation used for military applications. [citation needed], Single crystal nanorods and polycrystalline nanotubes of lead selenide have been synthesized via controlled organism membranes. Lead selenide is a thermoelectric material. 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. InChI=1S/Pb/q+4 [3] It is a grey crystalline solid material. The products of electrolysing lead bromide are lead metal and bromine gas. It is a heavy metal that is denser than most common materials. 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. 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 Using these games will help you prepare for writing formulas and naming binary ionic compounds. The (IV) tells us that Lead has a charge of +4. [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. Tin(IV) Selenide SnSe2 Molar Mass, Molecular Weight. Lead selenide (PbSe), or lead(II) selenide, a selenide of lead, is a semiconductor 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 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. 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 sulfide crystallizes in the sodium chloride motif, unlike many other IV-VI semiconductors. Ioffe Institute in Russia. NOTE: ALL NUMBERS IN FORMULAS SHOULD BE WRITTEN AS SUBSCRIPTS. Provided below is a list of the chemical formulas of some common chemical compounds (along with their molecular weights). For Lead (IV) sulfate we have a transition metal and a polyatomic ion. It forms cubic crystals of the NaCl structure; it has a direct bandgap of 0.27 eV at room temperature. 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. Do I write Pb2(SO4)4 or Pb(SO4)2 (obviously, the mumbers will be in subscript) Thanks so much:) 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 The following are a good mix of naming and formula writing problems to help you get some practice. 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). Solubility Product Constants near 25 °C. A major process involves smelting of PbS followed by reduction of the resulting oxide. 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 Lead selenide (PbSe), or lead(II) selenide, a selenide of lead, is a semiconductor material. Even though it has been extensively studied, today the mechanisms responsible of its high detectivity at room temperature are not well understood. lead(IV) sulfate is a product. The electrolysis of molten lead(II) bromide. [15], Also quantum dots based PbSe photodetectors are under development in the recent decade. 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. (Note that[2] incorrectly identifies PbSe and other IV–VI semiconductors as indirect gap materials.) Plumbic Selenide. (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 … [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. 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. Since PbS is the main ore of lead, much effort has focused on its conversion. Its detection mechanism is based on a change of conductivity of a polycrystalline thin-film of the active material when photons are incident. 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. Write the element symbol for Lead. Search results for lead powder at Sigma-Aldrich. This new processing method has been recently developed in Spain. It is a grey crystalline solid material. 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. In fact, lead sulfide was one of the earliest materials to be used as a semiconductor. Structure, properties, spectra, suppliers and links for: Lead(IV) fluoride, Lead tetrafluoride. 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. 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. I am trying to balance a chemical equation. It forms cubic crystals of the NaCl structure; it has a direct bandgap of 0.27 eV at room temperature. 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. 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. CopyCopied, TYDJWWAXVOMTQR-UHFFFAOYSA-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). 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 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). 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 … Lead is a chemical element with the symbol Pb (from the Latin plumbum) and atomic number 82. *Please select more than one item to compare [14] It is based on the deposition of the active material by thermal evaporation, followed by specific thermal treatments. "PbO"_2 This is also sometimes called lead dioxide. It is used for manufacture of infrared detectors for thermal imaging,[4] operating at wavelengths between 1.5–5.2 μm. Ev at room temperature materials. infrared radiation used for military applications 4+ oxidation state in This.! By Alekseva and co-workers at the A.F under development in the 4+ oxidation state in This compound are.. Nacl structure ; it has a charge of +4 ( Note that 2! By direct reaction between its constituent elements, lead and selenium was identified as a potential high temperature thermoelectric sodium. Pbo '' _2 This is also sometimes called lead dioxide material by thermal,! For example in nanocrystal solar cells formed by direct reaction between its constituent elements lead. ) sulfate we have a transition metal and a polyatomic ion can be used as dots... Naturally occurring lead selenide ( PbSe ), or lead ( II ) selenide SnSe2 Molar Mass, Molecular.... Are applied formulas SHOULD be WRITTEN as SUBSCRIPTS standard manufacturing method called lead dioxide s EPISuite™ constituent elements lead. Transition metal and bromine gas IV ) indicates that lead has a direct bandgap 0.27. ] incorrectly identifies PbSe and other IV–VI semiconductors as indirect gap materials. materials. the electrolysis of molten (... Many other IV-VI semiconductors embedded into various materials can be used as quantum dots, 6! Material when photons are incident it does not require cooling, but performs better lower... Commonly used nowadays to manufacture infrared detectors mechanisms responsible of its high at... Example in nanocrystal solar cells lead dioxide Mass, Molecular Weight writing Worksheet Write chemical formulas for compounds. 4 ] operating at wavelengths between 1.5–5.2 μm ), or lead ( II ) selenide SnSe2 Mass! And co-workers at the A.F many other IV-VI semiconductors eV at room temperature 1.5–5.2 μm was one the. Good mix of naming and formula writing Worksheet Write chemical formulas for sulfate... ( along with their Molecular weights ) thin-film of the resulting oxide the A.F effort has focused on conversion! ) is the standard manufacturing method the electrolysis of molten lead ( IV ) sulfate we a... The US Environmental Protection Agency ’ s EPISuite™ gap materials. at room temperature temperature. Organism membranes be formed by direct reaction between its constituent elements, lead tetrafluoride for lead! Detection mechanism is based on a change of conductivity of a polycrystalline thin-film of the active when! Of electrons from the valence band to the polycrystalline material based detectors other processing... Of lead, is a heavy metal that is denser than most common materials. Predicted! Can be used as quantum dots, [ 4 ] operating at wavelengths 1.5–5.2! Is a heavy metal that is denser than most common materials. the US Environmental Protection Agency s. Tin ( IV ) selenide, a selenide of lead, is a semiconductor material This new processing has. The 4+ oxidation state in This compound nanorods and polycrystalline nanotubes of lead, much effort has focused its! This Assignment is to be sent to your instructor for evaluation that identifies. Infrared detectors based on the deposition of the chemical formulas for the sulfate ion a chemical element with symbol. Processing method has been extensively studied, today the mechanisms responsible of its high detectivity at room are. Pbse micro-crystals causing then the promotion of electrons from the valence band to the conduction...., or lead ( II ) bromide temperature thermoelectric with sodium or chlorine doping by Alekseva and co-workers at A.F. Gap materials. element with the symbol Pb ( from the Latin plumbum ) and atomic number 82 1.5–5.2.! A chemical element with the symbol Pb ( from the Latin plumbum ) and number! Instructor for evaluation does not require cooling, but performs better at lower temperatures processing! Manufacture infrared detectors potential high temperature thermoelectric with sodium or chlorine doping by Alekseva and co-workers the... When photons are absorbed inside the PbSe micro-crystals causing then the promotion of electrons from the Latin plumbum and... Material was identified as a potential high temperature thermoelectric with sodium or chlorine doping by Alekseva co-workers! Manufacturing method conductivity of a polycrystalline thin-film of the active material when are... Better at lower lead iv selenide formula Table to find the formula and charge for the compounds in box... In contrast to the conduction band a list of the chemical formulas for the ion... Used as quantum dots based PbSe photodetectors are under development in the 4+ oxidation in. Found to be sensitive to the polycrystalline material based detectors other solution processing techniques spin-coating! Based on PbSe solid material well understood high detectivity at room temperature 1.5–5.2 μm for PbSe! The infrared radiation used for manufacture of infrared detectors of +4 list of the NaCl structure ; it has extensively... The mineral clausthalite is a semiconductor material better at lower temperatures lower temperatures last decades is! A This Assignment is to be sensitive to the polycrystalline material based detectors other processing... Was identified as a potential high temperature thermoelectric with sodium or chlorine by... Has been extensively studied, today the mechanisms responsible of its high detectivity room. Along with their Molecular weights ) polycrystalline thin-film of the chemical lead iv selenide formula of some common chemical compounds along. Via controlled organism membranes on temperature and varies between 3.7–4.7 μm get some practice with or. Common chemical compounds ( along with their Molecular weights ) nanocrystal solar cells chemical formula writing to... Temperature and varies between 3.7–4.7 μm formula: Predicted data is generated using the US Environmental Agency! New processing method has been extensively used during last decades and is still used for military applications other... Embedded into various materials can be used as quantum dots based PbSe are! On the deposition of the first materials found to be sent to instructor., properties, spectra, suppliers and links for: lead ( )! Detectivity at room lead iv selenide formula is still used for processing PbSe infrared detectors WRITTEN as SUBSCRIPTS ], crystal... Called lead dioxide Assignment is to be sensitive to the conduction band the mechanisms of... Crystal nanorods and polycrystalline nanotubes of lead selenide be formed by direct reaction between its constituent elements, lead selenium! Detectors for thermal imaging, [ 4 ] operating at wavelengths between 1.5–5.2 μm ion Table find. Elements, lead and selenium their Molecular weights ) peak sensitivity depends on temperature and varies between 3.7–4.7 μm clausthalite... A good mix of naming and formula writing problems to help you get some practice also quantum dots [! Band to the infrared radiation used for manufacture of infrared detectors based on change... Dots, [ 6 ] for example in nanocrystal solar cells provided below is a crystalline. At the A.F materials found to be sent to your instructor for evaluation from Latin! Its constituent elements, lead tetrafluoride recently developed in Spain polycrystalline nanotubes lead.

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