A green route for the preparation of layered double hydroxides from basic magnesium carbonate

查看全文 作　　者：Li [1]Jin;Xiaoyuan [1]Zhou;Juan [1]Wen;Luming [1,2,3]Peng 机构地区：[1]Key Laboratory of Mesoscopic Chemistry of MOE,School of Chemistry and Chemical Engineering,Nanjing University,Nanjing,210023,China;[2]Jiangsu Key Laboratory of Vehicle Emissions Control,Nanjing University,Nanjing,210093,China;[3]Frontiers Science Center for Critical Earth Material Cycling(FSC-CEMaC),Nanjing University,Nanjing,210023,China 出　　处：《Magnetic Resonance Letters》索引2022年第2卷第3期,共9页 基　　金：supported by National Key R&D Program of China(2021YFA1502803);the National Natural Science Foundation of China(NSFC)(21972066 and 91745202);NSFC-Royal Society Joint Program(21661130149);Luming Peng thanks the Royal Society and Newton Fund for a Royal Society-Newton Advanced Fellowship;supported by the Research Funds for the Frontiers Science Center for Critical Earth Material Cycling,Nanjing University;a Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions. 摘　　要：Layered double hydroxides(LDHs)have received extensive attention in many fields such as catalysis,environmental management and medical applications.Typically,expensive soluble metal salts are commonly used as the starting materials for the synthesis of LDHs.Here,we report a novel synthesis route for Mg/Al-LDH by using inexpensive basic magnesium carbonate as the starting material.X-ray diffraction(XRD)and solid-state nuclear magnetic resonance(ssNMR)data show that LDHs with rich defects are formed rapidly at room temperature and good crystallinity can be obtained after further hydrothermal treatment.These results provide a simple,rapid and green preparation method for LDHs. 关 键 词：Layered double hydroxides Green synthesis Basic magnesium carbonate Solid-state NMR