Xray crystal structure analysis was performed for the latter complex. Photovoltaic application supplemental materials leadfree. Leadfree germanium iodide perovskite materials for photovoltaic application article pdf available in journal of materials chemistry a 347 november 2015 with 1,438 reads how we measure reads. High chemical yields, up to 73%, were achieved for germanium ge nanocrystals synthesized in solution with germanium diiodide gei2 and lialh4 as a reducing agent in trinoctylphosphine top. How to determine the chemical formula for aluminum iodide. The compound exists as an anhydrous and a hydrate bai 2 h 2 o 2, both of which are white solids. The invention provides a germanium containing material with a perovskite structure, and the germanium containing material is prepared through liquid phase reaction. It is also used in the preparation of allylgermanes by reacting with allylstannanes. Webelements periodic table germanium germanium diiodide. Aluminum iodide is an ionic compound with the formula ali 3. Worldwide, iodine deficiency affects two billion people and is the leading preventable cause of. Germanium iv iodide is a biochemical for proteomics research. It can also be made by reacting iodides with nonoxidizing acids such as phosphoric acid. Scientific research and development supplier details.
Germanium ii iodide acts as a reagent that forms stable ionic adducts with carbenes. Formula appearance use or occurrence potassium iodide. Hi colourless gas strong mineral acid silver iodide. This chemical is called germanium iodide gei2, and its iupac name is diiodogermanium. Do you mean from an analysis, or derived from the valencies. Pdf leadfree germanium iodide perovskite materials for. Supplemental materials leadfree germanium iodide perovskite materials for photovoltaic application thirumal krishnamoorthy, hong ding, chen yan, wei lin leong, tom baikie, ziyi zhang, matthew sherburne, shuzhou li, mark asta, nripan mathews, subodh g. In everyday life, iodide is most commonly encountered as a component of iodized salt, which many governments mandate. This page is for the iodide ion and its salts, not organoiodine compounds. Cri2 may cause eye, skin and respiratory tract irritation. Cn103943368a novel germaniumcontaining perovskite material. Journal of the american chemical society, 7 21, 68046819.
On the thermodynamic properties of germaniumiodide. It can also be made by reacting hydrogen sulfide with iodine. As our channel brand, vwr offers an integrated, seamless purchasing experience that is optimized for the way our. Information provided on germanium tetraiodide 450958 is for reference only and is subject to change.
Pdf ruddlesdenpopper hybrid lead iodide perovskite 2d. There is no warranty of accuracy or completeness of any information contained herein. Germaniumii iodide is a yellow crystalline solid which decomposes on melting. From analysis, you would determine iodide by titration and aluminium by gravimetric methods, as the oxi. It is used as a catalyst in certain organic reactions and as an aerosol when treating animal stalls. Germaniumii iodide acts as a reagent that forms stable ionic adducts with carbenes. Barium iodide is an inorganic compound with the formula bai 2. Ki white crystals iodine component of iodized salt hydrogen iodide. It is also used as a primary and secondary intermediate. Quasiparticle gw calculations on leadfree hybrid germanium iodide perovskite ch3nh3gei3 for photovoltaic applications. Diiodide definition of diiodide by the free dictionary. The number of electrons in each of germaniums shells is 2, 8, 18, 4 and its electron configuration is ar 3d 10 4s 2 4p 2. Germaniumiv iodide is an orangered crystalline solid with melting point 144 c and boiling point 440 c with decomposition.
Iodine has several possible oxidation states of 7, 5, 1 and 1. In this work, we report two new bischelate germanium complexes with bidentate 7membered lactamomethyl c,ochelating ligands, a bromideiodide l 7 ch 2 2 gebri 8c and bromidetriflate l 7 ch 2 2 gebrotf 9c. Tungsteniv iodide, also known as tungsten iodide, is an inorganic chemical substance. Agi yellow powder that darkens in light photoactive component of silverbased photographic film thyroxine 3,5,3. Using csgei3 1 as the prototype compound, we have prepared methylammonium, ch3nh3gei3 2, formamidinium, hcnh22gei3 3, acetamidinium.
Clean up any spills as soon as possible, using an absorbent material to collect it. The syntheses of high purity gei2 and gei4 from the elements are described. Cid 3021261 i55 cid 3021261 structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety. A compound of a binary type containing two atoms of iodine. The synthesis and properties of the hybrid organicinorganic germanium perovskite compounds, agei3, are reported a cs, organic cation. They dissolve in water to create electrical conductors. If you refer to how to convert iupac nomenclature to formula symbols is easy. The formula for the iodide ion is written as an i followed by the superscript 1. Buy germaniumii iodide cas 573085, a reagent which forms stable ionic adducts with carbenes, from santa cruz. The germanium has two or four oxidation states in iodides compounds such as germanium ii iodide gei 2 and germanium iv iodide gei 4. Germanium iodide is a chemical compound of germanium and iodine.
Germanium was first discovered by clemens winkler in 1886. With the molecular formula of gei 2, its molecular weight is 326. Leadfree germanium iodide perovskite materials for photovoltaic. High yield of germanium nanocrystals synthesized from. Convert grams germaniumiv iodide to moles or moles germaniumiv iodide to grams. On the thermodynamic properties of germaniumiodide compounds. The cas registry number of this chemical is 573085. Germanium tetraiodide safety data sheet 08102015 en english us sds id. Predicted data is generated using the us environmental protection agencys episuite. Hydrogen iodide simple english wikipedia, the free. Chemical properties of germanium diiodide cas 573085 download as pdf file download as excel file download as 2d mole file predict properties. When heated, hydrated barium iodide converts to the anhydrous salt. Using csgei3 1 as the prototype compound, we have prepared methylammonium, ch3nh3gei3 2, formamidinium, hcnh22gei3 3, acetamidinium, ch3cnh22gei3 4. In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.
Download scientific diagram selected physical properties of tin and. Methods and material for containment and cleaning up methods for cleaning up. Search results for germanium iodide at sigmaaldrich. The systematic study of this reaction system led to the isolation of 6 new hybrid semiconductors. The company operates in more than 30 countries and delivers an extensive portfolio of products and services. Further, it reacts with allyl bromide in the presence of zinc iodide to get allylgermaniumiv, which on reacts with carbonyl compounds to give the corresponding homoallylic. In its elemental form, germanium is a brittle grayish white semimetallic. Dictionary of chemical formulas from wikipedia, the free encyclopedia this is a list of chemical compounds with chemical formulas and cas numbers, indexed by formula. Buy germanium ii iodide cas 573085, a reagent which forms stable ionic adducts with carbenes, from santa cruz.
A compound of a binary type containing two atoms of. List of chemical compound and their formula for ssc, engineering, aipmt, cpmt, mbbs, iit, cbse class 11th, 12th, bsc, msc etc. Structural, elastic, and lattice dynamical properties of. Structure, properties, spectra, suppliers and links for. The number of electrons in each of germanium s shells is 2, 8, 18, 4 and its electron configuration is ar 3d 10 4s 2 4p 2. Use of the information, documents and data from the echa website is subject to the terms and conditions of this legal notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the echa website may be reproduced, distributed andor used, totally or in part, for noncommercial purposes provided that echa is. Crystal structures of the 2d lead iodide perovskites, ba 2 ma n. Germanium ethanolate, ethanol, germanium salt, tetraethoxygermane. List of germanium compounds, common compounds of germanium ge, formula, molecular weight. Selected physical properties of tin and germanium iodide perovskite. The molecular weight of tungsteniv iodide wi4 is 691.
Molecular weight of germaniumiv iodide convert units. Standard thermodynamic properties of chemical substances continued molecular. Webelements periodic table germanium germanium tetraiodide. Inchi inchi1sgei2c2 inchi key iagyemvjhpepgeuhfffaoysan formula gei2 smiles igei molecular weight 1. Active lone pairs, structural distortions, direct and indirect energy gaps, and strong nonlinear optical properties. An iodide ion is the ion i compounds with iodine in formal oxidation state. Search results for germaniumiv iodide at sigmaaldrich. Cri2 is a green gray powder at room temperature, density 5. The present results demonstrate the utility of combining computational screening and experimental efforts to develop leadfree halide perovskite compounds for.
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