Download scientific diagram selected physical properties of tin and. If you refer to how to convert iupac nomenclature to formula symbols is easy. The present results demonstrate the utility of combining computational screening and experimental efforts to develop leadfree halide perovskite compounds for. 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. This page is for the iodide ion and its salts, not organoiodine compounds. It can also be made by reacting iodides with nonoxidizing acids such as phosphoric acid. Formula appearance use or occurrence potassium iodide. Photovoltaic application supplemental materials leadfree. Xray crystal structure analysis was performed for the latter complex. Barium iodide is an inorganic compound with the formula bai 2. They dissolve in water to create electrical conductors. It is also used as a primary and secondary intermediate.
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. Germanium ii iodide acts as a reagent that forms stable ionic adducts with carbenes. It can also be made by reacting hydrogen sulfide with iodine. Hydrogen iodide simple english wikipedia, the free. Predicted data is generated using the us environmental protection agencys episuite. In order to process your orders without delay, we request that you provide the required business documentation to purchase this product. With the molecular formula of gei 2, its molecular weight is 326. The syntheses of high purity gei2 and gei4 from the elements are described. Germaniumii iodide is a yellow crystalline solid which decomposes on melting. Hi colourless gas strong mineral acid silver iodide. High yield of germanium nanocrystals synthesized from. Webelements periodic table germanium germanium diiodide.
Germanium ethanolate, ethanol, germanium salt, tetraethoxygermane. On the thermodynamic properties of germaniumiodide. 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. It is also used in the preparation of allylgermanes by reacting with allylstannanes. Worldwide, iodine deficiency affects two billion people and is the leading preventable cause of. Scientific research and development supplier details. Standard thermodynamic properties of chemical substances continued molecular. List of chemical compound and their formula for ssc, engineering, aipmt, cpmt, mbbs, iit, cbse class 11th, 12th, bsc, msc etc. Cid 3021261 i55 cid 3021261 structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety.
Molecular weight of germaniumiv iodide convert units. Pdf ruddlesdenpopper hybrid lead iodide perovskite 2d. Methods and material for containment and cleaning up methods for cleaning up. The germanium has two or four oxidation states in iodides compounds such as germanium ii iodide gei 2 and germanium iv iodide gei 4. Cn103943368a novel germaniumcontaining perovskite material. Germaniumii iodide acts as a reagent that forms stable ionic adducts with carbenes. Using csgei3 1 as the prototype compound, we have prepared methylammonium, ch3nh3gei3 2, formamidinium, hcnh22gei3 3, acetamidinium, ch3cnh22gei3 4. The hydrated form is freely soluble in water, ethanol, and acetone. Ki white crystals iodine component of iodized salt hydrogen iodide. In everyday life, iodide is most commonly encountered as a component of iodized salt, which many governments mandate. Information provided on germanium tetraiodide 450958 is for reference only and is subject to change. Buy germanium ii iodide cas 573085, a reagent which forms stable ionic adducts with carbenes, from santa cruz.
Search results for germaniumiv iodide at sigmaaldrich. Iodine has several possible oxidation states of 7, 5, 1 and 1. Diiodide synonyms, diiodide pronunciation, diiodide translation, english dictionary definition of diiodide. Tungsteniv iodide, also known as tungsten iodide, is an inorganic chemical substance. Diiodide definition of diiodide by the free dictionary.
Do you mean from an analysis, or derived from the valencies. Clean up any spills as soon as possible, using an absorbent material to collect it. An iodide ion is the ion i compounds with iodine in formal oxidation state. As our channel brand, vwr offers an integrated, seamless purchasing experience that is optimized for the way our. Germanium iodide is a chemical compound of germanium and iodine. Pdf leadfree germanium iodide perovskite materials for.
Cri2 is a green gray powder at room temperature, density 5. The formula for the iodide ion is written as an i followed by the superscript 1. This complements alternative listings to be found at list of organic compounds and inorganic compounds by element. The cas registry number of this chemical is 573085. List of germanium compounds, common compounds of germanium ge, formula, molecular weight. 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. 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. On the thermodynamic properties of germaniumiodide compounds. Crystal structures of the 2d lead iodide perovskites, ba 2 ma n. Leadfree germanium iodide perovskite materials for photovoltaic. 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.
Using csgei3 1 as the prototype compound, we have prepared methylammonium, ch3nh3gei3 2, formamidinium, hcnh22gei3 3, acetamidinium. In its elemental form, germanium is a brittle grayish white semimetallic. 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. Inchi inchi1sgei2c2 inchi key iagyemvjhpepgeuhfffaoysan formula gei2 smiles igei molecular weight 1. Chemical properties of germanium diiodide cas 573085 download as pdf file download as excel file download as 2d mole file predict properties. Agi yellow powder that darkens in light photoactive component of silverbased photographic film thyroxine 3,5,3. A compound of a binary type containing two atoms of iodine. Structure, properties, spectra, suppliers and links for. Search results for germanium iodide at sigmaaldrich. Germanium tetraiodide safety data sheet 08102015 en english us sds id. When heated, hydrated barium iodide converts to the anhydrous salt. Buy germaniumii iodide cas 573085, a reagent which forms stable ionic adducts with carbenes, from santa cruz. Aluminum iodide is an ionic compound with the formula ali 3.
Convert grams germaniumiv iodide to moles or moles germaniumiv iodide to grams. A compound of a binary type containing two atoms of. The compound exists as an anhydrous and a hydrate bai 2 h 2 o 2, both of which are white solids. Structural, elastic, and lattice dynamical properties of. The molecular weight of tungsteniv iodide wi4 is 691. Journal of the american chemical society, 7 21, 68046819. This chemical is called germanium iodide gei2, and its iupac name is diiodogermanium. From analysis, you would determine iodide by titration and aluminium by gravimetric methods, as the oxi. How to determine the chemical formula for aluminum iodide. Webelements periodic table germanium germanium tetraiodide. Cri2 may cause eye, skin and respiratory tract irritation.
The company operates in more than 30 countries and delivers an extensive portfolio of products and services. It is used as a catalyst in certain organic reactions and as an aerosol when treating animal stalls. Germaniumiv iodide is an orangered crystalline solid with melting point 144 c and boiling point 440 c with decomposition. Selected physical properties of tin and germanium iodide perovskite. There is no warranty of accuracy or completeness of any information contained herein. 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. The invention provides a germanium containing material with a perovskite structure, and the germanium containing material is prepared through liquid phase reaction. The systematic study of this reaction system led to the isolation of 6 new hybrid semiconductors. The vapour pressure over solid germanium ii iodide has been measured by the static method with a membranegauge. Als environmental does not sell chemicals, but offers analytical lab testing to determine the presence of various elements and chemical compounds. Germanium was first discovered by clemens winkler in 1886. Germanium iv iodide is a biochemical for proteomics research.
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