【摘 要】
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A direct decarbonation route without obvious morphology damage was developed for large micrometer-scale layered double hydroxides(LDHs).First,we synthesized pur
【出 处】
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Chinese Chemical Letters
论文部分内容阅读
A direct decarbonation route without obvious morphology damage was developed for large micrometer-scale layered double hydroxides(LDHs).First,we synthesized pure,hexagonal-shaped LDHs with lateral dimension of micrometer-size by the recently reported urea hydrolysis method.Then,using HNO_3-NaNO_3 mixed solution,the obtained LDH with carbonate anions in the interlayer(LDH_CO_3) was directly decarbonated to its nitrate form,LDH_NO_3,its morphology and particle size were still unchanged.Compared with the recently published two-step decarbonation method,the direct decarbonation reported herein is very convenient.
A direct decarbonation route without obvious morphology damage was developed for large micrometer-scale layered double hydroxides (LDHs). First, we synthesized pure, hexagonal-shaped LDHs with lateral dimension of micrometer-size by the recently reported urea hydrolysis method. HNO_3-NaNO_3 mixed solution, the obtained LDH with carbonate anions in the interlayer (LDH_CO_3) was directly decarbonated to its nitrate form, LDH_NO_3, its morphology and particle size were still unchanged. Compared with the recently published two-step decarbonation method, the direct decarbonation reported herein is very convenient.
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