8 moles SnSe2 to grams = 2213.04 grams. Formula: SnSe2. Because of SnSe’s layered structure, which does not conduct heat well, one end of the SnSe single crystal can get hot while the other remains cool. Lots of Ionic Naming Practice Problems Naming Ionic Compounds Practice Worksheet Name the following ionic. Synonyms. 9 years ago. [5], Tin(II) selenide may be soon used in energy harvesting. SnSe, SnSe2, and Sn2Se3 alloys have been studied to explore their suitability as new phase change alloys for electronic memory applications. The in-plane lattice constants, interlayer distances and binding energies are found to be layer-independent. Search by Systematic name, Synonym, Trade name, Registry number, SMILES or InChI. The band structures of the layer compounds SnS 2, SnSe 2, CdI 2 and PbI 2 are calculated by the tight-binding method. 6) K3N potassium nitride. Ionic/Covalent Compound Naming Solutions. Tin - Sn (+4) Selenide - Se (-2) So you need two of Se to balance the +4 with a -4. 4) Ti(SO4)2 titanium(IV) sulfate. Answer … How do you name the ionic compund SnSe2? 1. SnSe would serve as the p-type semiconductor leg. Who is the longest reigning WWE Champion of all time? This compound is also known as Tin(IV) Selenide. Se2Sn. Naming … Click here to get to the published paper. Chemical communications (Cambridge, England) 2012-3-1 SnSe2 quantum dot sensitized solar cells prepared employing molecular metal chalcogenide as precursors. Both square SnSe nanostructures and single-layer SnSe nanostructures have been prepared. Molar Mass: 276.63. :: Chemistry Applications:: Chemical Elements, Periodic Table. Abstract A kind of molecular metal chalcogenide, (N(2)H(4))(3)(N(2)H(5))(4)Sn(2)Se(6) complex, was synthesized in the hydrazine solution and … It is isomorphous to germanium selenide (GeSe). Any help is MUCH appreciated, you might just save my chemistry grade! Tin selenide, also known as stannous selenide, is an inorganic compound with the formula SnSe. [14] Owing to this layered, zig-zag accordion-like structure, SnSe demonstrates low anharmonicity and an intrinsically ultralow lattice thermal conductivity, making SnSe one of the world’s least thermally conductive crystalline materials. The structure is three-dimensional. Introduction. 3 moles SnSe2 to grams = 829.89 grams. Favorite Answer. PubChem CID. [3], Sheet-like nanocrystalline SnSe with an orthorhombic phase has been prepared with good purity and crystallization via a reaction between a selenium alkaline aqueous solution and tin(II) complex at room temperature under atmospheric pressure. Nondoped SnSe2 shows semiconducting transport behavior dominated by 2D variable range hopping conduction, exhibiting relatively strong localization of carriers at low-temperature regions. There are three inequivalent Sn+3.50+ sites. 2) Ca(C2H3O2)2 calcium acetate. Would mean alot! 276.7 g/mol. The two-atom-thick SnSe slabs are corrugated, creating a zig-zag accordion-like projection along the b axis. Through the manipulation of reaction temperature particles are grown with the average diameter reliably tuned to 4−10 nm. The layer dependent structural, electronic and vibrational properties of SnS2 and SnSe2 are investigated using first-principles density functional theory (DFT). tackle this problem by introducing small amounts of sodium to the thermoelectric SnSe (see the Perspective by Behnia). [9], Tin(II) selenide can be formed by reacting the elements tin and selenium above 350 °C. Molar mass of SnSe2 = 276.63 g/mol. SnS2 or S2Sn. 1 moles SnSe2 to grams = 276.63 grams. The structure is two-dimensional and consists of one SnSe2 sheet oriented in the (0, 0, 1) direction. What are the chemical compounds for SnSe2? I don't understand!!!! Pages 2. Product Name:SnSe2 Synonyms:SnSe2;Tin(IV) selenide. Tin(II) selenide is a narrow band-gap (IV-VI) semiconductor structurally analogous to black phosphorus. I thought it was tin(II)selendine until i saw the answer sheet? Crossref . The effect of doping on thermoelectric performance of p-type SnSe: … The temperature dependence of … In SnSe, the ability of crystal vibrations (also known as phonons) to propagate through the material is significantly hampered. 3 moles SnSe2 to grams = 829.89 grams. 14513327. This compound is also known as Tin(IV) Selenide. Stannic selenide. 7) SO2 sulfur dioxide. This preview shows page 1 - 2 out of 2 pages. Spiral Growth of SnSe2 Crystals by Chemical Vapor Deposition Jingjie Wu et al 2016 Advanced Materials Interfaces 3 1600383. Why is SnSe2 the formula for tin (IV) selenide?!??!?!?!? Brian D. Tracy, Xiang Li, Xinyu Liu, Jacek Furdyna, Margaret Dobrowolska, David Smith. What is the name of the compound with the chemical formula SnF4? Molecular Weight. 5 Answers. Tin selenide is a narrow band-gap semiconductor structurally analogous to black phosphorus. | As4O6 What are the chemical compounds for SnSe2? 20770-09-6. Molecular Formula. Page 2. In this work, we report an unusual, pressure-induced periodic lattice distortion in SnSe2 and investigate the origin of this phase transition in detail both experimentally as well as theoretically. [14] However, in order to take advantage of this ultralow lattice thermal conductivity, the synthesis method must result in macroscale single crystals as p-type polycrystalline SnSe has been shown to have a significantly reduced ZT. [17] The previously reported nanostructured all-scale hierarchical PbTe-4SrTe-2Na (with a ZT of 2.2) exhibits a lattice thermal conductivity of 0.5 W m−1 K−1. Naming Chemical Compunds - Naming Ionic Compounds Practice Worksheet Name the following ionic compounds 1 NH4Cl 2 Fe(NO3)3 3 TiBr3 4 Cu3P 5 SnSe2 6 GaAs. Molecular Formula. 1 grams SnSe2 is equal to 0.0036149369193508 mole. Molar mass of SnSe2 = 276.63 g/mol. Top Answer. 4 moles SnSe2 to grams = 1106.52 grams. The colloidal synthesis of SnSe nanoparticles is accomplished through the injection of bis[bis(trimethylsilyl)amino]tin(II) into hot trioctylphosphine:selenium in the … UNII-956631FA6P, 956631FA6P, Tin diselenide, Stannic selenide, Tin(4+) selenide, Stannic selenide [MI], Tin selenide (SnSe2), Tin diselenide (SnSe2), 20770-09-6 They are in closer agreement with experimental results and previous pseudopotential calculations than previous tight-binding results have been. 1315-06-6. tin (II) selenide. Tin selenide is a typical layered metal chalcogenide as it includes a group 16 anion and an electropositive element, and is arranged in a layered structure. SO confused here and been crossing things with roman numerals like this, explain help! There are a spread of … How old was Ralph macchio in the first Karate Kid? The poor ability to carry heat through its lattice enables the resulting record high thermoelectric conversion efficiency. SnSe or SeSn. Aluminum nitride | AlN | CID 90455 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Zhao et al. High-quality ultrathin single-crystalline SnSe2 flakes are synthesized under atmospheric-pressure chemical vapor deposition for the first time. The structure contains highly distorted SnSe7 coordination polyhedra, which have three short and four very long Sn–Se bonds, and a lone pair of the Sn2+ sterically accommodated between the four long Sn–Se bonds. I'm very excited to announce our newest paper that has been published in PRL. 5 moles SnSe2 to grams = 1383.15 grams. 7 moles SnSe2 to grams = 1936.41 grams. GeorgeSiO2. There are three inequivalent Sn+3.50+ sites. Structure. Search by expertise, name or affiliation. All Rights Reserved. 1 decade ago. Aluminum nitride | AlN | CID 90455 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. [12] SnSe nanocrystals have also been synthesized by a gas-phase laser photolysis reaction that used Sn(CH3)4 and Se(CH3)2 as precursors. For chemistry help, visit www.chemfiesta.com. Why tin (IV) sulphide has a formula of SnS2 and not Sn2S4? This phase transition preserves many of the advantageous transport properties of SnSe. Characterization of structural defects in SnSe 2 thin films grown by molecular beam epitaxy on GaAs (111)B substrates. Q18212067. Electronic structure of 2H-SnSe2: ab initio modeling and comparison with experiment D.I. Two phases exist—the hexagonal SnSe2 phase and the orthorhombic SnSe phase. Other chemicals Metal Catalyst Battery & Eco-energy ... CAS 20770-09-6, SnSe2. Wiki User Answered . Molecular weight calculation: 118.71 + 78.96*2 ›› Percent composition by element If tin (iv) has a charge of (iv), which is 4, and selenide has a charge of -1, then wouldn't you balance the charges and get SnSe4? Tin selenides may be used for optoelectronic devices, solar cells, memory switching devices,[6] and anodes for lithium-ion batteries.[3]. Can you please explain that clearly, I am really confuse! Find Similar Structures. Bulk SnS2 and SnSe2 are both indirect band gap semiconductors with Eg = 2.18 eV and 1.07 eV, respectively. Asked by Wiki User. K(SnSe2)2 crystallizes in the monoclinic Cm space group. For … ›› Similar chemical formulas. See Answer . Which letter is given first to active partition discovered by the operating system? Tin selenide, also known as stannous selenide, is an inorganic compound with the formula SnSe. Molecular Formula. K1+ is bonded in a 8-coordinate geometry to eight Se2- atoms. How long will the footprints on the moon last? Tin(II) selenide has demonstrated the ability to convert waste heat into electrical energy. Answer Save. The grown single crystals of MoSe 2 and thermally evaporated SnSe 2 thin film were investigated by energy-dispersive analysis of X-ray (EDAX) using scanning electron microscope 450 with EDAX for chemical confirmation. Note that all formulas are case-sensitive. Write the names of the fo//owing chemica/ compounds: 2) 7) 10) K4C AuF3 N20 Ag3N Ni02 snse2 iron (Ill) cyanide potassium carbide gold (Ill) fluoride dinitrogen monoxide silver nitride carbon tetrafluoride magnesium iodide nickel (IV) oxide diphosphorus pentasulfide tin (IV) selenide Write the formulas of the following chemical compounds: 11) 12) In the first Sn+3.50+ site, Sn+3.50+ is bonded to four Se2- atoms to form corner-sharing SnSe4 tetrahedra. Trade Name: Tin selenide Chemical Formula: SnSe 2 Recommended Use: Scientific research and development Manufacturer/Supplier: LTS Research Laboratories, Inc. Street: 37 Ramland Road City: Orangeburg State: New York Zip Code: 10962 … If you request Free testing sample and COA,MSDS,H-NMR,GC,HPLC Chart: PLS contact us: … Synonyms. COVID-19 is an emerging, rapidly evolving situation. See Answer . It has received considerable interest for applications … However, at ~750 K, it undergoes a phase transition that results in a higher symmetry Cmcm structure. The periodic Hartree−Fock calculations with a posteriori correction for the correlation energy were carried out for the layer structures of SnS2, SnSe2, ZrS2, and TaS2. K1+ is bonded in a 8-coordinate geometry to eight Se2- atoms. Furthermore, the results obtained until the moment indicate that, the structural optical and electrical properties of materials can be influenced by the process conditions and methods used in their deposition. ›› SnSe2 molecular weight. Type in your own numbers in the form to convert the units! This idea can be paralleled with the idea of a posture-pedic mattress that does not transfer vibrations laterally. 1315-01-1. tin disulfide. Each tin atom is covalently bonded to three neighboring selenium atoms, and each selenium atom is covalently bonded to three neighboring tin atoms. [10], Problems with the composition are encountered during synthesis. SnSe2 is a layered main-group metal dichalcogenide that has exhibited gate-tunable interfacial superconductivity as well as promising optoelectronic applications. Uploaded By maanas.bhatt. Show steps!!!? Enter a chemical formula to calculate its molar mass and elemental composition: Molar mass of SnSe2 is 276.6300 g/mol Convert between SnSe2 weight and moles. Synonyms. SnSe2 or Se2Sn. While cooling from its high-temperature, higher symmetry phase (space group Cmcm, #63), SnSe undergoes a displacive (shear) phase transition at ~750–800 K, resulting in a lower symmetry Pnma (#62) space group. 1 2 3. tin (IV) sulfide. It has received considerable interest for applications including low-cost photovoltaics, and memory-switching devices. Homework Help. The dynamic structural behavior of SnSe involving the reversible phase transition helps to preserve the high power factor. Synonyms. Naming Chemical Compunds - Naming Ionic Compounds Practice... School Oakland Community College; Course Title CHE 522; Type. 0 0 1 0 0 0 0. 1 decade ago. 0 0 1 0 0 0 0. The colloidal synthesis of SnSe nanoparticles is accomplished through the injection of bis[bis(trimethylsilyl)amino]tin(II) into hot trioctylphosphine:selenium in the presence of oleylamine. Historically, phase-controlled synthesis of 2D tin selenide nanostructures is quite difficult. Relevance . ›› SnSe2 molecular weight. 5) FePO4 iron(III) phosphate. 8 moles SnSe2 to grams = 2213.04 grams. Answers – Naming Chemical Compounds. Spelling counts, but capitalization and spaces do not. SnSe2 is trigonal omega structured and crystallizes in the trigonal P-3m1 space group. Tin selenide. For chemistry help, visit Email: info@alfa-chemistry.com Tel:1-201-478-8534 1-516-662-5404 Fax: 1-516-927-0118 Address: 2200 Smithtown Avenue, Room 1 Ronkonkoma, NY 11779-7329 USA For product inquiries, please use our online system or send an email to inquiry@alfa-chemistry.com [1], Tin(II) selenide adopts a layered orthorhombic crystal structure at room temperature, which can be derived from a three-dimensional distortion of the NaCl structure. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. 2 moles SnSe2 to grams = 553.26 grams. Tin(II) selenide is a typical layered metal chalcogenide[3] as it includes a group 16 anion (Se2−) and an electropositive element (Sn2+), and is arranged in a layered structure. [15] While, historically, lead telluride and silicon-germanium have been used, these materials have suffered from heat conduction through the material.[16]. Tin(II) selenide has an additional use as a solid-state lubricant, due to the nature of its interlayer bonding. 1 decade ago. 2009-06-19 07:16:33. tin(IV) selenide. Trade Name: Tin selenide Chemical Formula: SnSe 2 Recommended Use: Scientific research and development Manufacturer/Supplier: LTS Research Laboratories, Inc. Street: 37 Ramland Road City: Orangeburg State: New York Zip Code: 10962 … Convert grams SnSe2 to moles or moles SnSe2 to grams. Even though the record-high efficiency is most likely due to low thermal conductivity of the crystal, the electronic structure may have as important role: SnSe has highly anisotropic valence band structure, which consists of multiple valleys that act as independent channels for very mobile, low effective-mass charge transport within, and heavy-carrier conductivity perpendicular to the layers. At room temperature, the crystal structure of SnSe is Pnma. Crossref. Wiki User Answered . Alias: Stannic Selenide. [6] The unit cell encompasses two inverted layers. Note that rounding errors may occur, so always check the results. I don't get it. Naming Ionic Compounds Practice Worksheet Lots of Ionic Naming Practice Problems Name the following ionic. The unprecedentedly high ZT ~2.6 of SnSe arises primarily from an even lower lattice thermal conductivity of 0.23 W m−1 K−1. So it would be tin(IV) selenide or stannic selenide. K(SnSe2)2 crystallizes in the monoclinic Cm space group. The fundamental mechanism of the low thermal conductivity has been elaborated in this “soft” accordion-like layered structure and verified due to a abnormally strong phonon renormalization. compounds: 1) NH4Cl _ 2) Fe(NO3)3 _ 3) TiBr3 _ 4) Cu3P _ 5) SnSe2. So it would be tin(IV) selenide or stannic selenide. What are the qualifications of a parliamentary candidate? Molecular Formula. Molecular Formula. Cyclophane chemistry: bent and battered benzene rings; Structure-Based Design of HIV Protease Inhibitors: Sulfonamide-Containing 5,6-Dihydro-4-hydroxy-2-pyrones as Non-Peptidic Inhibitors; Effects of Alkaline Metals on the Reactivity of the Carbon Structure after Partial Supercritical Water Gasification of … 3) P2O5 diphosphorus pentoxide. Tin sulfide (SnS2) Stannic sulfide. [8] At temperatures above 800 K its structure changes to rock-salt structure. Because of its low thermal conductivity as well as reasonable electrical conductivity, tin selenide is one of the most efficient thermoelectric materials. How do you Find Free eBooks On-line to Download? [4], At pressures above 58 GPa, SnSe acts as a superconductor; this change of conductivity is likely due to a change in the structure to that of CsCl. How did Rizal overcome frustration in his romance? 7 moles SnSe2 to grams = 1936.41 grams. Thermoelectric materials convert waste heat into electricity, but often achieve high conversion efficiencies only at high temperatures. A theoretical study is presented on the electronic structure of some two-dimensional metal chalcogenides that are of great interest as host lattices for the intercalation of metallocenes. The present work deals with the layer-shaped dichalcogenides SnSe2 and NbSe2.\ud The host-material SnSe2 was synthesized by chemical transport with Iodine as transport agent in sealed quartz ampoules. In the present work, a detailed investigation on the chemical vapor deposition (CVD) of tin selenide thin films using triphenylphosphine selenide was reported. Except where otherwise noted, data are given for materials in their, "Band gap expansion, shear inversion phase change behaviour and low-voltage induced crystal oscillation in low-dimensional tin selenide crystals", "Core excitons and conduction-band structures in orthorhombic GeS, Ge, Researchers find tin selenide shows promise for efficiently converting waste heat into electrical energy, "Thermoelectric properties of p-type polycrystalline Sn, "Crystal Chemistry and Solid Lubricating Properties of the Monochalcogenides Gallium Selenide and Tin Selenide", https://en.wikipedia.org/w/index.php?title=Tin_selenide&oldid=978474941, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 15 September 2020, at 04:23.