3) P2O5 diphosphorus pentoxide. | As4O6 1 decade ago. Top Answer. Molecular Formula. It is isomorphous to germanium selenide (GeSe). SnSe2 is trigonal omega structured and crystallizes in the trigonal P-3m1 space group. All Sn–Se bond lengths are 2.75 Å. Se2- is bonded in a distorted T-shaped geometry to three equivalent Sn4+ atoms. 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! Answers – Naming Chemical Compounds. Molecular weight calculation: 118.71 + 78.96*2 ›› Percent composition by element SnSe2 is a layered main-group metal dichalcogenide that has exhibited gate-tunable interfacial superconductivity as well as promising optoelectronic applications. SnSe2 Crystal. Top Answer. Why tin (IV) sulphide has a formula of SnS2 and not Sn2S4? 1 2 3. See Answer . tackle this problem by introducing small amounts of sodium to the thermoelectric SnSe (see the Perspective by Behnia). Click here to get to the published paper. Nondoped SnSe2 shows semiconducting transport behavior dominated by 2D variable range hopping conduction, exhibiting relatively strong localization of carriers at low-temperature regions. 1 grams SnSe2 is equal to 0.0036149369193508 mole. There are three inequivalent Sn+3.50+ sites. SnSe2 is trigonal omega structured and crystallizes in the trigonal P-3m1 space group. Specific nanostructures can be synthesized,[11] but few 2D nanostructures have been prepared. 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. 9 years ago. SnSe or SeSn. 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. 1315-01-1. tin disulfide. [9], Tin(II) selenide can be formed by reacting the elements tin and selenium above 350 °C. [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. Tin selenide, also known as stannous selenide, is an inorganic compound with the formula SnSe. The two-atom-thick SnSe slabs are corrugated, creating a zig-zag accordion-like projection along the b axis. [Xuechao Yu, Jun Zhu, Yaohong Zhang, Jian Weng, Linhua Hu, Songyuan Dai] PMID 22363940 . I'm very excited to announce our newest paper that has been published in PRL. 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). Alias: Stannic Selenide. Through the manipulation of reaction temperature particles are grown with the average diameter reliably tuned to 4−10 nm. 1. There are a spread of K–Se bond distances ranging from 3.36–3.97 Å. Search by expertise, name or affiliation. COVID-19 is an emerging, rapidly evolving situation. 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 Spelling counts, but capitalization and spaces do not. 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 … Crossref. 5 Answers. Compound Name Formula Search. See Answer . SeSn. ›› SnSe2 molecular weight. The layer dependent structural, electronic and vibrational properties of SnS2 and SnSe2 are investigated using first-principles density functional theory (DFT). 7 moles SnSe2 to grams = 1936.41 grams. There are two-atom-thick SnSe slabs (along the b–c plane) with strong Sn–Se bonding within the plane of the slabs, which are then linked with weaker Sn–Se bonding along the a direction. Would mean alot! Introduction. K1+ is bonded in a 8-coordinate geometry to eight Se2- atoms. Bletskan 2016 Semiconductor Physics Quantum Electronics and Optoelectronics 19 98. 1315-01-1. tin disulfide. What are the qualifications of a parliamentary candidate? The temperature dependence of … How do you put grass into a personification? Tin sulfide (SnS2) Stannic sulfide. [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. Tin(II) selenide is a narrow band-gap (IV-VI) semiconductor structurally analogous to black phosphorus. SO confused here and been crossing things with roman numerals like this, explain help! 8) CuOH copper(I) hydroxide. Convert grams SnSe2 to moles or moles SnSe2 to grams. Each tin atom is covalently bonded to three neighboring selenium atoms, and each selenium atom is covalently bonded to three neighboring tin atoms. SnS2 or S2Sn. Answer … Note that all formulas are case-sensitive. Note that rounding errors may occur, so always check the results. Name the following chemical compounds: 1) NaBr sodium bromide. In the first Sn+3.50+ site, Sn+3.50+ is bonded to four Se2- atoms to form corner-sharing SnSe4 tetrahedra. What influence does Sikhism have on drinking? Bulk SnS2 and SnSe2 are both indirect band gap semiconductors with Eg = 2.18 eV and 1.07 eV, respectively. Sn4+ is bonded to six equivalent Se2- atoms to form edge-sharing SnSe6 octahedra. 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. 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. Molecular Formula. Zhao et al. 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. In order for this thermoelectric process to work, a thermoelectric generator must take advantage of the temperature difference experienced by two legs of a thermocouple junction. ›› Similar chemical formulas. Search by Systematic name, Synonym, Trade name, Registry number, SMILES or InChI. Such a material needs to have low total thermal conductivity, high electrical conductivity, and high Seebeck coefficient according to the thermoelectric figure of merit ZT. The dynamic structural behavior of SnSe involving the reversible phase transition helps to preserve the high power factor. How did Rizal overcome frustration in his romance? At room temperature, the crystal structure of SnSe is Pnma. 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. 6) K3N potassium nitride. Crossref . Se2Sn. Find Similar Structures. Structure. If your impeached can you run for president again? Laboratory Chemical Safety Summary (LCSS) Datasheet. All Sn–Se bond lengths are 2.75 Å. Se2- is bonded in a distorted T-shaped geometry to three equivalent Sn4+ atoms. High‐quality ultrathin single‐crystalline SnSe2flakesare synthesized under atmospheric‐pressure chemical vapor deposition for the first time. Product Name:SnSe2 Synonyms:SnSe2;Tin(IV) selenide. The in-plane lattice constants, interlayer distances and binding energies are found to be layer-independent. K(SnSe2)2 crystallizes in the monoclinic Cm space group. In SnSe, the ability of crystal vibrations (also known as phonons) to propagate through the material is significantly hampered. 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. Chemical communications (Cambridge, England) 2012-3-1 SnSe2 quantum dot sensitized solar cells prepared employing molecular metal chalcogenide as precursors. For chemistry help, visit This means that if this is an ionic compound tin must have a valency of 4 (4+) to balance the two Se2- ions. 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. Asked by Wiki User. 0 0 1 0 0 0 0. How long will the footprints on the moon last? 9) Zn(NO2)2 zinc nitrite. 0 0 1 0 0 0 0. 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. Molar mass of SnSe2 = 276.63 g/mol. When coupled with the Carnot efficiency for heat conversion, the overall energy conversion efficiency of approximately 25%. However, at ~750 K, it undergoes a phase transition that results in a higher symmetry Cmcm structure. 1 moles SnSe2 to grams = 276.63 grams. [4][5], Tin(II) selenide (SnSe) crystallizes in the orthorhombic structure that derives from a distorted rock-salt structure. All Rights Reserved. View Notes - naming_ionic_compounds_worksheet_extra from CHEMISTRY 101 at Texas A&M. Tin(II) selenide has an additional use as a solid-state lubricant, due to the nature of its interlayer bonding. Molecular Formula. [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 boosts the power factor, allowing the material to generate more energy while maintaining good conversion efficiency. Answer Save. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. Molecular Weight. 2009-06-19 07:16:33. tin(IV) selenide. High-quality ultrathin single-crystalline SnSe2 flakes are synthesized under atmospheric-pressure chemical vapor deposition for the first time. [10], Problems with the composition are encountered during synthesis. For … 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. Why is SnSe2 the formula for tin (IV) selenide?!??!?!?!? 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. PubChem CID. UNII-956631FA6P, 956631FA6P, Tin diselenide, Stannic selenide, Tin(4+) selenide, Stannic selenide [MI], Tin selenide (SnSe2), Tin diselenide (SnSe2), 20770-09-6 Component Compounds. 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. How do you name the ionic compund SnSe2? They are in closer agreement with experimental results and previous pseudopotential calculations than previous tight-binding results have been. [15] While, historically, lead telluride and silicon-germanium have been used, these materials have suffered from heat conduction through the material.[16]. When did organ music become associated with baseball? Who is the longest reigning WWE Champion of all time? Each leg is composed of a specific material that is optimized at the operating temperature range of interest. How do you Find Free eBooks On-line to Download? Which letter is given first to active partition discovered by the operating system? Formula: SnSe2. : Chemistry applications:: chemical Elements, Periodic Table allowing the is... Conversion, the ability to convert waste heat into electricity, but capitalization and spaces do.... The orthorhombic SnSe phase coupled with the formula SnSe Optical properties, and memory-switching devices help, visit ultrathin. Molecular beam snse2 chemical name on GaAs ( 111 ) b substrates 6 it normallty a! Selenide can be synthesized, [ 11 ] but few 2D nanostructures have been prepared if your impeached can run. 25 % selenium above 350 °C above 800 K its structure changes to rock-salt structure NaBr sodium.... Of K–Se bond distances ranging from 3.36–3.97 Å energies are found to layer-independent! Chemicals metal Catalyst Battery & Eco-energy... 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Please explain that clearly, i am really confuse Worksheet lots of Ionic Naming Practice name! ] at temperatures above 800 K its structure changes to rock-salt structure... Oakland. Electronics and Optoelectronics 19 98 the compound with the Carnot efficiency for heat,.