The thesis has studied the preparation of titania serial gels and aerogels doped with Si ,Pb and FMA.

• 本文首先利用溶胶-凝胶法结合超临界干燥技术，采用不同的原料配比制备出钛凝胶及相应的钛气凝胶，以及掺杂Si、Pb、FMA的钛系复合凝胶；