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: 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 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 … Using these games will help you prepare for writing formulas and naming binary ionic compounds. The diameter of the nanorods were approx. 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. 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. 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]. 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. (Note that[2] incorrectly identifies PbSe and other IV–VI semiconductors as indirect gap materials.) Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. Do I write Pb2(SO4)4 or Pb(SO4)2 (obviously, the mumbers will be in subscript) Thanks so much:) See more Lead products. Lead is a chemical element with the symbol Pb (from the Latin plumbum) and atomic number 82. Lead selenide is a thermoelectric material. 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 It does not require cooling, but performs better at lower temperatures. Formula: Plumbic Selenide. [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 … 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. Since PbS is the main ore of lead, much effort has focused on its conversion. Use the Common Ion Table to find the formula and charge for the sulfate ion. Structure, properties, spectra, suppliers and links for: Lead(IV) fluoride, Lead tetrafluoride. These photons are absorbed inside the PbSe micro-crystals causing then the promotion of electrons from the valence band to the conduction band. The products of electrolysing lead bromide are lead metal and bromine gas. 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. 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 mineral clausthalite is a naturally occurring lead selenide. The electrolysis of molten lead(II) bromide. Stannic Selenide. Ioffe Institute in Russia. *Please select more than one item to compare Lead sulfide crystallizes in the sodium chloride motif, unlike many other IV-VI semiconductors. 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. 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 CopyCopied, TYDJWWAXVOMTQR-UHFFFAOYSA-N In contrast to the polycrystalline material based detectors other solution processing techniques like spin-coating are applied. 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 … (Note that incorrectly identifies PbSe and other IV–VI semiconductors as indirect gap materials.) Search results for lead powder at Sigma-Aldrich. Its detection mechanism is based on a change of conductivity of a polycrystalline thin-film of the active material when photons are incident. Chemical formulae provide a way to represent any chemical substance using the symbol of the elements present in it. The following are a good mix of naming and formula writing problems to help you get some practice. 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. Provided below is a list of the chemical formulas of some common chemical compounds (along with their molecular weights). Even though it has been extensively studied, today the mechanisms responsible of its high detectivity at room temperature are not well understood. Ionic Compound Formula K sp. 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 5. Solubility Product Constants near 25 °C. Write the element symbol for Lead. It is used for manufacture of infrared detectors for thermal imaging,[4] operating at wavelengths between 1.5–5.2 μm. Two methods are commonly used nowadays to manufacture infrared detectors based on PbSe. It is a grey crystalline solid material. Chemical bath disposition (CBD) is the standard manufacturing method. [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]. 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. "PbO"_2 This is also sometimes called lead dioxide. This new processing method has been recently developed in Spain. PbSe was one of the first materials found to be sensitive to the infrared radiation used for military applications. The (IV) indicates that lead is in the 4+ oxidation state in this compound. CopyCopied, CSID:10644804, http://www.chemspider.com/Chemical-Structure.10644804.html (accessed 16:10, Jan 15, 2021) NOTE: ALL NUMBERS IN FORMULAS SHOULD BE WRITTEN AS SUBSCRIPTS. Chemical Formula Writing Worksheet Write chemical formulas for the compounds in each box. It forms cubic crystals of the NaCl structure; it has a direct bandgap of 0.27 eV at room temperature. CBD method has been extensively used during last decades and is still used for processing PbSe infrared detectors. [7] Several groups have since reported thermoelectric figures of merit exceeding unity, which is the characteristic of a high performance thermoelectric.[8][9][10]. 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. lead(IV) sulfate is a product. Formula: It may be formed by direct reaction between its constituent elements, lead and selenium. 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). It forms cubic crystals of the NaCl structure; it has a direct bandgap of 0.27 eV at room temperature. 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. 1. 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. Lead selenide (PbSe), or lead(II) selenide, a selenide of lead, is a semiconductor 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.