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. Homework Help. 6 moles SnSe2 to grams = 1659.78 grams. 7 moles SnSe2 to grams = 1936.41 grams. Worksheet Name the following ionic compounds: 1) NH4Cl _ 2) Fe(NO3)3 _ 3) TiBr3 _ 4) Cu3P _ 5) SnSe2. 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 … As Se is in group 6 it normallty has a valency of 2 and can form the Se2- ion. Answers – Naming Chemical Compounds. 8) CuOH copper(I) hydroxide. 1 decade ago. I don't get it. How long will the footprints on the moon last? This means that if this is an ionic compound tin must have a valency of 4 (4+) to balance the two Se2- ions. Hongwen Chen, Rumin Liu, Yang Wu, Junhui Cao, Jian Chen, Yang Hou, Yichuan Guo, Rabia Khatoon, Lingxiang Chen, Qinghua Zhang, Qinggang He, Jianguo Lu, Interface coupling 2D/2D SnSe2/graphene heterostructure as long-cycle anode for all-climate lithium-ion battery, Chemical Engineering Journal, 10.1016/j.cej.2020.126973, (126973), (2020). Use this page to learn how to convert between grams SnSe2 and mole. It is isomorphous to germanium selenide (GeSe). 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. Search by expertise, name or affiliation. 1315-01-1. tin disulfide. 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. [4][5], Tin(II) selenide (SnSe) crystallizes in the orthorhombic structure that derives from a distorted rock-salt structure. Brian D. Tracy, Xiang Li, Xinyu Liu, Jacek Furdyna, Margaret Dobrowolska, David Smith. There are three inequivalent Sn+3.50+ sites. 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. 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. Tin selenide is a narrow band-gap semiconductor structurally analogous to black phosphorus. How do you name the ionic compund SnSe2? SnSe Nanocrystals: Synthesis, Structure, Optical Properties, and Surface Chemistry | Journal of the American Chemical Society. Formula: SnSe2. There are three inequivalent Sn+3.50+ sites. Characterization of structural defects in SnSe 2 thin films grown by molecular beam epitaxy on GaAs (111)B substrates. [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. Molecular weight calculation: 118.71 + 78.96*2 ›› Percent composition by element Electronic structure of 2H-SnSe2: ab initio modeling and comparison with experiment D.I. Thermoelectric materials convert waste heat into electricity, but often achieve high conversion efficiencies only at high temperatures. ›› SnSe2 molecular weight. [15] While, historically, lead telluride and silicon-germanium have been used, these materials have suffered from heat conduction through the material.[16]. Specific nanostructures can be synthesized,[11] but few 2D nanostructures have been prepared. SO confused here and been crossing things with roman numerals like this, explain help! Lv 7. 20770-09-6. For chemistry help, visit www.chemfiesta.com. Why don't libraries smell like bookstores? Wiki User Answered . Why tin (IV) sulphide has a formula of SnS2 and not Sn2S4? Synonyms. See Answer . SnSe2 is a layered main-group metal dichalcogenide that has exhibited gate-tunable interfacial superconductivity as well as promising optoelectronic applications. The band structures of the layer compounds SnS 2, SnSe 2, CdI 2 and PbI 2 are calculated by the tight-binding method. 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. 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? How old was Ralph macchio in the first Karate Kid? All Sn–Se bond lengths are 2.75 Å. Se2- is bonded in a distorted T-shaped geometry to three equivalent Sn4+ atoms. Would mean alot! Tin sulfide (SnS2) Stannic sulfide. Type in your own numbers in the form to convert the units! SnSe2 is tin selenide. Find Similar Structures. 1 grams SnSe2 is equal to 0.0036149369193508 mole. Tin selenide. As Se is in group 6 it normallty has a valency of 2 and can form the Se2- ion. How did Rizal overcome frustration in his romance? Molecular weight calculation: 118.71 + 78.96*2 ›› Percent composition by element The temperature dependence of … I know the answer to the ionic compound is SnSe2 is tin(IV)selendine but how?? What is the best way to fold a fitted sheet? Naming … SnSe, SnSe2, and Sn2Se3 alloys have been studied to explore their suitability as new phase change alloys for electronic memory applications. High‐quality ultrathin single‐crystalline SnSe2flakesare synthesized under atmospheric‐pressure chemical vapor deposition for the first time. tin (IV) sulfide. Sn4+ is bonded to six equivalent Se2- atoms to form edge-sharing SnSe6 octahedra. K(SnSe2)2 crystallizes in the monoclinic Cm space group. Molecular Formula. tackle this problem by introducing small amounts of sodium to the thermoelectric SnSe (see the Perspective by Behnia). K1+ is bonded in a 8-coordinate geometry to eight Se2- atoms. Who is the longest reigning WWE Champion of all time? All Sn–Se bond lengths are 2.75 Å. Se2- is bonded in a distorted T-shaped geometry to three equivalent Sn4+ atoms. Crossref . TMDCs have excellent chemical and environmental stability, which is appropriate for fabrication of high-performance devices. 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. 6 moles SnSe2 to grams = 1659.78 grams. SnSe or SeSn. If you can't do all of them it's fine, any help would be a life saver. 2 moles SnSe2 to grams = 553.26 grams. If you request Free testing sample and COA,MSDS,H-NMR,GC,HPLC Chart: PLS contact us: … Laboratory Chemical Safety Summary (LCSS) Datasheet. Zhao et al. 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. Tin(II) selenide has an additional use as a solid-state lubricant, due to the nature of its interlayer bonding. Convert grams SnSe2 to moles or moles SnSe2 to grams. The structure is three-dimensional. 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 … 9) Zn(NO2)2 zinc nitrite. 7) SO2 sulfur dioxide. [10], Problems with the composition are encountered during synthesis. Two phases exist—the hexagonal SnSe2 phase and the orthorhombic SnSe phase. I thought it was tin(II)selendine until i saw the answer sheet? compounds: 1) NH4Cl _ 2) Fe(NO3)3 _ 3) TiBr3 _ 4) Cu3P _ 5) SnSe2. Favorite Answer. Asked by Wiki User. Synonyms. Structure. It has received considerable interest for applications including low-cost photovoltaics, and memory-switching devices. Single-crystal SnSe2 nanosheets with a ten atomic-layer thickness have been prepared by a facile solvothermal route reaction in benzyl alcohol in the presence of PVP. Naming Ionic Compounds Practice Worksheet Lots of Ionic Naming Practice Problems Name the following ionic. Compound Name Formula Search. 8 moles SnSe2 to grams = 2213.04 grams. SnSe has exhibited the highest thermoelectric material efficiency, measured by the unitless ZT parameter, of any known material (~2.62 at 923 K along the b axis and ~2.3 along the c axis). What are the chemical compounds for SnSe2? Thus the hot end can stay hot while the cold end remains cold, maintaining the temperature gradient needed for thermoelectric device operation. 2 moles SnSe2 to grams = 553.26 grams. SeSn. Any help is MUCH appreciated, you might just save my chemistry grade! [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. 5) FePO4 iron(III) phosphate. Spiral Growth of SnSe2 Crystals by Chemical Vapor Deposition Jingjie Wu et al 2016 Advanced Materials Interfaces 3 1600383. 1. TiBr3 SnSe2 GaAs Pb(SO4)2 Be(HCO3)2 Mn2(SO3)3 Al(CN)3 Al(CN)3 Sc(OH)3 V2(SO4)3 NH4F CaCO3 NiPO4 Li2SO3 Zn3P2 Sr(C2H3O2)2 Ag3PO4 YCIO3 SnS2 Ti(CN)4 KMnO4 Again, thank you thank you thank you! The colloidal synthesis of SnSe nanoparticles is accomplished through the injection of bis[bis(trimethylsilyl)amino]tin(II) into hot trioctylphosphine:selenium in the … 1 decade ago. 7 moles SnSe2 to grams = 1936.41 grams. ;stannic selenide;Tin(IV)diselenide CAS:20770-09-6 MF:Se2Sn MW:0 EINECS: Delivery:immediately Package: 25g 100g 1kg 25kg or according to customer's request. 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 … K1+ is bonded in a 8-coordinate geometry to eight Se2- atoms. Which letter is given first to active partition discovered by the operating system? Molecular Weight. This phase transition preserves many of the advantageous transport properties of SnSe. [18] Enhancement in the figure of merit above a relatively high value of 2.5 can have sweeping ramifications for commercial applications especially for materials using less expensive, more Earth-abundant elements that are devoid of lead and tellurium (two materials that have been prevalent in the thermoelectric materials industry for the past couple decades). COVID-19 is an emerging, rapidly evolving situation. tin (IV) sulfide. 4 moles SnSe2 to grams = 1106.52 grams. Molar mass of SnSe2 = 276.63 g/mol. SnSe would serve as the p-type semiconductor leg. Name the following chemical compounds: 1) NaBr sodium bromide. K(SnSe2)2 crystallizes in the monoclinic Cm space group. There are a spread of … 10) V2S3 vanadium(III) sulfide. At room temperature, the crystal structure of SnSe is Pnma. This boosts the power factor, allowing the material to generate more energy while maintaining good conversion efficiency. [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. Ionic/Covalent Compound Naming Solutions. Historically, phase-controlled synthesis of 2D tin selenide nanostructures is quite difficult. 1 decade ago. PubChem CID. SnSe2 or Se2Sn. Convert grams SnSe2 to moles or moles SnSe2 to grams. Transition metal dichalcogenides (TMDCs) have captivated significant attention owing to potential technical uses in optoelectronic devices such as photovoltaic cells [1,2], photodetectors [, , , ], field effect transistors [7,8], etc. ›› SnSe2 molecular weight. 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. The Cmcm phase, which is structurally related to the low temperature Pnma phase, exhibits a substantially reduced energy gap and enhanced carrier mobilities while maintaining the ultralow thermal conductivity thus yielding the record ZT. Both square SnSe nanostructures and single-layer SnSe nanostructures have been prepared. Through the manipulation of reaction temperature particles are grown with the average diameter reliably tuned to 4−10 nm. 1 moles SnSe2 to grams = 276.63 grams. What are the qualifications of a parliamentary candidate? Spelling counts, but capitalization and spaces do not.What is the name of the compound with the chemical formula SnSe2? [9], Tin(II) selenide can be formed by reacting the elements tin and selenium above 350 °C. | As4O6 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. Synonyms. Search by Systematic name, Synonym, Trade name, Registry number, SMILES or InChI. 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. Top Answer. [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. Nondoped SnSe2 shows semiconducting transport behavior dominated by 2D variable range hopping conduction, exhibiting relatively strong localization of carriers at low-temperature regions. 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. Tin(II) selenide has demonstrated the ability to convert waste heat into electrical energy. 0 0 1 0 0 0 0. 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 … 6) K3N potassium nitride. Tin selenide, also known as stannous selenide, is an inorganic compound with the formula Sn Se.Tin(II) selenide is a typical layered metal chalcogenide as it includes a group 16 anion (Se 2−) and an electropositive element (Sn 2+), and is arranged in a layered structure.Tin(II) selenide is a narrow band-gap (IV-VI) semiconductor structurally analogous to black phosphorus. Molar mass of SnSe2 = 276.63 g/mol. Se2Sn. [19] However, it is not the most stable of the chalcogenide solid-state lubricants, as tungsten diselenide has much weaker interplanar bonding, is highly chemically inert and has high stability in high-temperature, high-vacuum environments. 3 moles SnSe2 to grams = 829.89 grams. Molecular Formula. 2009-06-19 07:16:33. tin(IV) selenide. Show steps!!!? The in-plane lattice constants, interlayer distances and binding energies are found to be layer-independent. The easy cleavage in this system is along the (100) planes. The poor ability to carry heat through its lattice enables the resulting record high thermoelectric conversion efficiency. 9 years ago. The layer dependent structural, electronic and vibrational properties of SnS2 and SnSe2 are investigated using first-principles density functional theory (DFT). Sn4+ is bonded to six equivalent Se2- atoms to form edge-sharing SnSe6 octahedra. How do you Find Free eBooks On-line to Download? Lots of Ionic Naming Practice Problems Naming Ionic Compounds Practice Worksheet Name the following ionic. [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. This means that if this is an ionic compound tin must have a valency of 4 (4+) to balance the two Se2- ions. I'm desperate here! [5], Tin(II) selenide may be soon used in energy harvesting. This preview shows page 1 - 2 out of 2 pages. Note that all formulas are case-sensitive. Molar Mass: 276.63. :: Chemistry Applications:: Chemical Elements, Periodic Table. [Xuechao Yu, Jun Zhu, Yaohong Zhang, Jian Weng, Linhua Hu, Songyuan Dai] PMID 22363940 . Compound: Moles: Weight, g: SnSe2: Elemental composition of SnSe2. For … So it would be tin(IV) selenide or stannic selenide. What are the chemical compounds for SnSe2? Note that rounding errors may occur, so always check the results. Tin selenides may be used for optoelectronic devices, solar cells, memory switching devices,[6] and anodes for lithium-ion batteries.[3]. COVID-19 is an emerging, rapidly evolving situation. UNII-956631FA6P, 956631FA6P, Tin diselenide, Stannic selenide, Tin(4+) selenide, Stannic selenide [MI], Tin selenide (SnSe2), Tin diselenide (SnSe2), 20770-09-6 All Rights Reserved. 4) Ti(SO4)2 titanium(IV) sulfate. 3 moles SnSe2 to grams = 829.89 grams. 5 Answers. The dynamic structural behavior of SnSe involving the reversible phase transition helps to preserve the high power factor. This compound is also known as Tin(IV) Selenide. | As4O6 Search by Systematic name, Synonym, Trade name, Registry number, SMILES or InChI. Tin(II) selenide is a narrow band-gap (IV-VI) semiconductor structurally analogous to black phosphorus. This means heat can only travel due to hot carriers (an effect that can be approximated by the Wiedemann–Franz law), a heat transport mechanism that is much less significant to the total thermal conductivity. In the present work, a detailed investigation on the chemical vapor deposition (CVD) of tin selenide thin films using triphenylphosphine selenide was reported.
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