摘要
Mg-Al hydrotalcites with different Mg/Al ratios and their polyoxometalateintercalates were synthesized by direct ion-exchange reactions. The porous structures ofthe pillared products were studied by adsorbing various molecules with different, kineticdiameter on them. The results show that the porous structures of the pillared productscan be adjusted either by changing the layer charge densities or by changing the pillardensities, i. e. the pore diameter will increase with the increament of the Mg atoms inthe layers and the polyoxometalate charges in the gallery.
Mg-Al hydrotalcites with different Mg/Al ratios and their polyoxometalateintercalates were synthesized by direct ion-exchange reactions. The porous structures ofthe pillared products were studied by adsorbing various molecules with different, kineticdiameter on them. The results show that the porous structures of the pillared productscan be adjusted either by changing the layer charge densities or by changing the pillardensities, i. e. the pore diameter will increase with the increament of the Mg atoms inthe layers and the polyoxometalate charges in the gallery.
出处
《物理化学学报》
SCIE
CAS
CSCD
北大核心
1996年第6期573-576,共4页
Acta Physico-Chimica Sinica
基金
国家自然科学基金
关键词
杂多阴离子
柱撑水滑石
吸附
镁铝比
Mg/Al atomic ratio, Polyoxometalates, Pillared hydrotalcites,Synthesis,Adsorption properties
