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首页> 外文期刊>Inorganic Chemistry Communications >Reduction of carbon dioxide during the synthesis of metal nano-particles in water
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Reduction of carbon dioxide during the synthesis of metal nano-particles in water

机译:水中金属纳米粒子合成过程中的二氧化碳减少

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摘要

An effort was made to synthesize "carbon-free" metal (Fe~0,Co~0,Ni~0)nano-particles via the reduction of their salts with BH_4~- in aqueous solutions.Surprisingly it was found that when the synthesis is carried out in the presnece of CO_2,e.g.,in aerated solutions,the CO_2 is catalytically reduced by BH_4~- on the surface of the metal particles.Carbon-free metals can be prepared by reduction under an inert atmosphere.Thus metal surfaces might have acted as catalysts for CO_2 fixation,probably via the initial formation of carbon clusters,in the reductive atmosphere in the prebiotic era.
机译:努力通过在水溶液中用BH_4〜-还原盐来合成“无碳”金属(Fe〜0,Co〜0,Ni〜0)纳米粒子。令人惊讶地发现,当合成时该反应是在CO_2的存在下进行的,例如在充气溶液中,CO_2被BH_4〜-在金属颗粒表面催化还原。无碳金属可通过在惰性气氛下还原来制备。在益生元时代的还原性气氛中,它们可能是通过最初形成碳簇而起固定CO_2的催化剂。

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