首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Cr-hollandite: Breaking tradition with todorokite-type manganese oxides
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Cr-hollandite: Breaking tradition with todorokite-type manganese oxides

机译:铬钙锰矿:钙锰矿型锰氧化物打破传统

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摘要

The synthesis of a tunneled hollandite-type manganese oxide with interstitial and framework Cr~(3+) is described. This unique material is prepared from a layered buserite precursor under conditions previously believed to only yield todorokite-type manganese oxides with larger tunnels. The influence of Cr~(3+) in promoting the hollandite structure has been investigated by selectively placing the cation either in interstitial or framework sites. The use of framework Cr~(3+) in combination with other interstitial cations generates related hollandite and todorokite derivatives. Catalytic oxidation reactions with benzyl alcohol and carbon monoxide have also been examined.
机译:描述了一种具有间隙和骨架Cr〜(3+)的隧道化的钙锰矿型锰氧化物的合成。这种独特的材料是在先前认为只能通过较大的通道生成钙矾石型锰氧化物的条件下,由层状的堇青石前体制备的。通过选择性地将阳离子放置在间隙或骨架部位,已研究了Cr〜(3+)对促进菱锰矿结构的影响。骨架Cr〜(3+)与其他间隙阳离子的结合使用可生成相关的钙铝石和钙钛矿衍生物。还研究了与苯甲醇和一氧化碳的催化氧化反应。

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