Mesoporous silica with tuned pore volume and pore size was yielded with the controllable sol-gel process using inexpensive water glass as silica source and ammonia as an additive.The effects of the parameters of the s...Mesoporous silica with tuned pore volume and pore size was yielded with the controllable sol-gel process using inexpensive water glass as silica source and ammonia as an additive.The effects of the parameters of the sol-gel process have been examined.The results show that the mesoporous silica can be synthesized by controlling the weight ratio of ammonia to silica,concentration of water glass,gelating temperature and the final pH value.The major properties of the obtained mesoporous silica are large pore volumes and controllable pore sizes.展开更多
基金Supported by the National Natural Science Foundation of China(20671010,20236020,20325621)
文摘Mesoporous silica with tuned pore volume and pore size was yielded with the controllable sol-gel process using inexpensive water glass as silica source and ammonia as an additive.The effects of the parameters of the sol-gel process have been examined.The results show that the mesoporous silica can be synthesized by controlling the weight ratio of ammonia to silica,concentration of water glass,gelating temperature and the final pH value.The major properties of the obtained mesoporous silica are large pore volumes and controllable pore sizes.
