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Transition metal phosphonates present great potential in catalysis and other applications due to their versatile coordination chemistry and flexible structures. However, many of them grow into dense crystals with low practical use in catalysis. To circumvent this, a simple solvent ligation effect was successfully used to disrupt the growth of a model compound, Fe[(OH)(O 3 P(CH 2 ) 2 CO 2 H)]×H 2 O (MIL-37), into the extended 2D structure by replacing water with dimethylformamide (DMF) as the solvent during the synthesis. Due to the lack of -OH group which provides the corner-sharing (binding) oxygen atoms for the octahedra, amorphous and porous structure is formed. When Fe 3+ is partially replaced by Ni 2+ , the amorphous structure remains and the resultant binary metal catalyst displays excellent photocatalytic oxygen evolution activity with almost 100% yield achieved under visible light irradiation using [Ru(bpy) 3 ] 2+ as the photosensitizer. This study opens up new possibilities of using the simple solvent effect to synthesize high surface area metal phosphonates for catalytic and other applications .
This article was published in the following journal.
Name: Angewandte Chemie (International ed. in English)
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Iron or iron compounds used in foods or as food. Dietary iron is important in oxygen transport and the synthesis of the iron-porphyrin proteins hemoglobin, myoglobin, cytochromes, and cytochrome oxidase. Insufficient amounts of dietary iron can lead to iron-deficiency anemia.
Organometallic compounds that generally consist of two cylcopentadiene ANIONS joined in their centers by a metallic cation such as NICKEL; IRON; or TITANIUM.
A multifunctional iron-sulfur protein that is both an iron regulatory protein and cytoplasmic form of aconitate hydratase. It binds to iron regulatory elements found on mRNAs involved in iron metabolism and regulates their translation. Its rate of degradation is increased in the presence of IRON.
A multifunctional iron-sulfur protein that is both an iron regulatory protein and cytoplasmic form of aconitate hydratase. It binds to iron regulatory elements found on mRNAs involved in iron metabolism and regulates their translation. Its RNA binding ability and its aconitate hydrolase activity are dependent upon availability of IRON.
Specific alloys not less than 85% chromium and nickel or cobalt, with traces of either nickel or cobalt, molybdenum, and other substances. They are used in partial dentures, orthopedic implants, etc.