Mesoporous molecular sieve as a catalyst, adsorbent, as well as nonlinear optical materials, nano-electronic conductors, nano-composite materials based on cutting-edge material used is reflected in the three aspects of its pore structure, pore size and pore volume. Therefore, pore size, pore shape, topology of the mesoporous molecular sieve is very interested in chemists at home and abroad. The modulation of pore size is one of the most enthusiastic what they study.Mesoporous SBA-15 has aroused more and mor...