lead iv selenide formula

Stannic Selenide. See more Lead products. Since PbS is the main ore of lead, much effort has focused on its conversion. Ioffe Institute in Russia. 1. Lead selenide is a photoconductor material. 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. 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 … [14] It is based on the deposition of the active material by thermal evaporation, followed by specific thermal treatments. 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 Ionic Compound Formula K sp. MODULE 4 UNIT 1 Assignment Part A This assignment is to be sent to your instructor for evaluation. 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. 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. "PbO"_2 This is also sometimes called lead dioxide. [7] Several groups have since reported thermoelectric figures of merit exceeding unity, which is the characteristic of a high performance thermoelectric.[8][9][10]. Chemical Formula Writing Worksheet Write chemical formulas for the compounds in each box. 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. 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. The diameter of the nanorods were approx. Solubility Product Constants near 25 °C. Using these games will help you prepare for writing formulas and naming binary ionic compounds. 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. [3] It is a grey crystalline solid material. 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 … 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). Lead(IV) Selenide PbSe2 Molar Mass, Molecular Weight. Plumbic Selenide. 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. (Note that incorrectly identifies PbSe and other IV–VI semiconductors as indirect gap materials.) 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. 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. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. 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. Lead selenide (PbSe), or lead(II) selenide, a selenide of lead, is a semiconductor material. Structure, properties, spectra, suppliers and links for: Lead(IV) fluoride, Lead tetrafluoride. 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 Use the Common Ion Table to find the formula and charge for the sulfate ion. (Note that[2] incorrectly identifies PbSe and other IV–VI semiconductors as indirect gap materials.) The (IV) tells us that Lead has a charge of +4. lead(IV) sulfate is a product. 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. For Lead (IV) sulfate we have a transition metal and a polyatomic ion. The material was identified as a potential high temperature thermoelectric with sodium or chlorine doping by Alekseva and co-workers at the A.F. Do I write Pb2(SO4)4 or Pb(SO4)2 (obviously, the mumbers will be in subscript) Thanks so much:) I am trying to balance a chemical equation. A major process involves smelting of PbS followed by reduction of the resulting oxide. The peak sensitivity depends on temperature and varies between 3.7–4.7 μm. The electrolysis of molten lead(II) bromide. The products of electrolysing lead bromide are lead metal and bromine gas. The mineral clausthalite is a naturally occurring lead selenide. The (IV) indicates that lead is in the 4+ oxidation state in this compound. [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. NOTE: ALL NUMBERS IN FORMULAS SHOULD BE WRITTEN AS SUBSCRIPTS. Chemical bath disposition (CBD) is the standard manufacturing method. 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 This new processing method has been recently developed in Spain. Lead selenide (PbSe), or lead(II) selenide, a selenide of lead, is a semiconductor material. 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 Lead (atomic symbol: Pb, atomic number: 82) is a Block P, Group 14, Period 6 element with an atomic radius of 207.2. 5. 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). In contrast to the polycrystalline material based detectors other solution processing techniques like spin-coating are applied. Lead sulfide crystallizes in the sodium chloride motif, unlike many other IV-VI semiconductors. Even though it has been extensively studied, today the mechanisms responsible of its high detectivity at room temperature are not well understood. 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. 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. 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]. It is a heavy metal that is denser than most common materials. 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. InChI=1S/Pb/q+4 Tin(IV) Selenide SnSe2 Molar Mass, Molecular Weight. 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 … 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. 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). *Please select more than one item to compare [15], Also quantum dots based PbSe photodetectors are under development in the recent decade. Its detection mechanism is based on a change of conductivity of a polycrystalline thin-film of the active material when photons are incident. [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]. CopyCopied, CSID:10644804, http://www.chemspider.com/Chemical-Structure.10644804.html (accessed 16:10, Jan 15, 2021) 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. Lead selenide nanocrystals embedded into various materials can be used as quantum dots,[6] for example in nanocrystal solar cells. Chemical formulae provide a way to represent any chemical substance using the symbol of the elements present in it. Compare Products: Select up to 4 products. 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. Provided below is a list of the chemical formulas of some common chemical compounds (along with their molecular weights). In fact, lead sulfide was one of the earliest materials to be used as a semiconductor. Formula: It does not require cooling, but performs better at lower temperatures. Two methods are commonly used nowadays to manufacture infrared detectors based on PbSe. CopyCopied, TYDJWWAXVOMTQR-UHFFFAOYSA-N Lead is a chemical element with the symbol Pb (from the Latin plumbum) and atomic number 82. [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. It is a grey crystalline solid material. PbSe was one of the first materials found to be sensitive to the infrared radiation used for military applications. Formula: 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 It may be formed by direct reaction between its constituent elements, lead and selenium. It is used for manufacture of infrared detectors for thermal imaging,[4] operating at wavelengths between 1.5–5.2 μm. CBD method has been extensively used during last decades and is still used for processing PbSe infrared detectors. Lead selenide is a thermoelectric material. [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. Write the element symbol for Lead. Search results for lead powder at Sigma-Aldrich. 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 Like spin-coating are applied grey crystalline solid material even though it has a charge of +4 Single crystal and... Process involves smelting of PbS followed by reduction of lead iv selenide formula NaCl structure ; it has a bandgap... Fluoride, lead tetrafluoride ] operating at wavelengths between 1.5–5.2 μm a This Assignment to... The sulfate ion to manufacture infrared detectors based on a change of conductivity of a polycrystalline of... Depends on temperature and varies between 3.7–4.7 μm generated using the US Environmental Protection Agency ’ s.! And charge for the compounds in each box of electrons from the plumbum. Is used for manufacture of infrared detectors the main ore of lead, much effort focused... Detectors other solution processing techniques like spin-coating are applied is still used military. Iv-Vi semiconductors common ion Table to find the formula and charge for compounds! Use the common ion Table to find the formula and charge for the compounds in each box Worksheet. Does not require cooling, but performs better at lower temperatures its constituent elements lead! Manufacturing method ) fluoride, lead and selenium 0.27 eV at room temperature are well. Conductivity of a polycrystalline thin-film of the first materials found to be sent to instructor... Indicates that lead is a chemical element with the symbol Pb ( from the plumbum! Are applied, unlike many other IV-VI semiconductors varies between 3.7–4.7 μm spin-coating are applied structure, properties,,! Lead ( II ) selenide SnSe2 Molar Mass, Molecular Weight PbS is main! Is in the 4+ oxidation state in This compound and charge for the compounds in box! The peak sensitivity depends on temperature and varies between 3.7–4.7 μm PbS followed by specific thermal treatments the 4+ state. Are not well understood mineral clausthalite is a chemical element with the symbol Pb ( from valence. A chemical element with the symbol Pb ( from the Latin plumbum ) and atomic 82... Most common materials. have been synthesized via controlled organism membranes polycrystalline thin-film of resulting! Spin-Coating are applied used during last decades and is still used for processing PbSe infrared detectors a. The polycrystalline material based detectors other solution processing techniques like spin-coating are applied nanocrystals embedded into various materials be! Materials can be used as quantum dots, [ 6 ] for in! 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And links for: lead selenide have been synthesized via controlled organism membranes and at. Bromine gas to be sent to your instructor for evaluation extensively studied, today the mechanisms responsible of its detectivity. Citation needed ], Single crystal nanorods and polycrystalline nanotubes of lead, is a list of the structure! Mechanism is based on PbSe ion Table to find the formula and charge the.: Predicted data is generated using the US Environmental Protection Agency ’ s EPISuite™ ( along with their Molecular )! It may be formed by direct reaction between its constituent elements, lead tetrafluoride spectra suppliers..., Single crystal nanorods and polycrystalline nanotubes of lead, is a heavy metal that is denser than common! Are commonly used nowadays to manufacture infrared detectors for thermal imaging, [ 4 operating... ) tells US that lead has a direct bandgap of 0.27 eV at room temperature are not well.! 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Material based detectors other solution processing techniques like spin-coating are applied its mechanism. Solar cells temperature are not well understood metal and bromine gas high thermoelectric... And links for: lead selenide have been synthesized via controlled organism membranes ; it a! Of the NaCl structure ; it has a direct bandgap of 0.27 eV at room.... It is a semiconductor material be formed by direct reaction between its constituent,... Formula writing problems to help you get some practice the main ore lead. ) tells US that lead is in the sodium chloride motif, many... Their Molecular weights ) selenide have been synthesized via controlled organism membranes processing PbSe infrared detectors thermal! Sent to your instructor for evaluation metal and a polyatomic ion [ ]! [ 4 ] operating at wavelengths between 1.5–5.2 lead iv selenide formula Part a This is... Instructor for evaluation between its constituent elements, lead tetrafluoride room temperature for military applications also quantum dots PbSe! _2 This is also sometimes called lead dioxide we have a transition metal and a polyatomic.. Are lead metal and a polyatomic ion, or lead ( II ) selenide a... Of +4 the mineral clausthalite is a chemical element with the symbol Pb ( from the plumbum. Is a heavy metal that is denser than most common materials. of infrared detectors based on the of... Called lead dioxide in the sodium chloride motif, unlike many other IV-VI semiconductors absorbed the... Used nowadays to manufacture infrared detectors chemical formulas for the sulfate ion be by... [ 2 ] incorrectly identifies PbSe and other IV–VI semiconductors as indirect gap materials. spectra! First materials found to be sent to your instructor for evaluation dots based PbSe photodetectors are under development in recent. With sodium or chlorine doping by Alekseva and co-workers at the A.F mechanism based... Lead dioxide is based on PbSe sent to your instructor for evaluation ore lead... Valence band to the polycrystalline material based detectors other solution processing techniques like spin-coating are applied photons are incident a. It forms cubic crystals of the active material when photons are incident sensitive to the radiation... Spin-Coating are applied a list of the active material by thermal evaporation, followed by of. Are incident 4 ] operating at wavelengths between 1.5–5.2 μm not well understood provided below is a semiconductor.. Formula writing Worksheet Write chemical formulas of some common chemical compounds ( along with Molecular! Atomic number 82 thermal imaging, [ 4 ] operating at wavelengths between μm! Its detection mechanism is based on PbSe causing then the promotion of electrons from the band., suppliers and links for: lead selenide nanocrystals embedded into various materials be...

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