报告人：赵东元院士

复旦大学化学系

题目：多元视野中的化学――介孔材料界面组装工程及其应用

时间：2015年4月15日（周三）下午2点

地点：909楼1楼B报告厅

摘要：

With recent progresses made in modern nanoscience and nanotechnology, ordered mesoporous materials have been one of the hottest research topics in scientific community spanned chemistry, materials science, physics and biology. The construction of mesoporous materials is mainly concerned with building monodispersed mesosized (2-50 nm) pore voids and arranging them in a long-range ordered array. Generally, two kinds of templates are used to produce the mesopores: supramolecular aggregates such as surfactant micelle arrays, and rigid preformed solids such as ordered mesoporous silica, carbon,

and colloidal crystals. Noticeably, besides the template, the interface also plays a central role in the synthetic process, because it provides a rich and crucial space for the assembly and construction of mesostructures. Generally, two kinds of interfaces involve in the synthetic system. The first one is at between surfactant templates and guest species, which has been extensively investigated. Another important interface is the two-phase (solid, liquid and gas) one, including liquid-solid, gas-liquid, liquid-liquid, gas-solid, and solid-solid interface, which has been well developed for the synthesis of ordered mesoporous materials. Compared with the one phase synthesis referring to homogeneous nucleation and growth, the introduction of a two-phase interface in the system can change the growth behaviors of mesoporous materials and lead to the formation of molding or multifunctional mesoporous materials. For example, mesoporous thin films or membranes have been widely fabricated on a substrate via an evaporation-induced self-assembly (EISA) method. Multifunctional core-shell structured mesoporous materials can be obtained by rationally depositing mesoporous shells on well-designed cores at the interface. Recently we have developed a novel facile approach i.e. a solvent evaporation-induced aggregating assembly (EIAA) to synthesize large pore mesoporous silica materials. In addition, the well-known hard-templating method for mesoporous materials is also a typical interface reaction.

References

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个人简介 ：

赵东元教授，复旦大学教授，中科院院士，第三世界科学院院士。主要从事沸石分子筛、纳米介孔材料合成等方向的研究工作。在国际重要刊物上发表SCI论文近600余篇，中国发明专利39项，授权32项，论文被引用超过5万次（h index = 104），被国际ISI Web of Science公司列为化学、材料科学两个领域的高引用科学家；被Science Watch公司列为Mesoporous Materials领域发表论文、引用率最高的科学家之一（排名第1）。曾获得国家自然科学二等奖、何梁何利科学进步奖、第三世界科学院TWAS化学奖、国际介观结构材料IMMA、杜邦年轻教授奖、印度化学会拉奥奖。曾任国际介观结构材料协会理事、秘书长、副主席；国际沸石协会理事。曾任Journal of Colloid Interface Science编辑，现任英国皇家化学会（RSC）Journal of Materials Chemistry主编，ACS Central Science编辑。

联络人：李彦光教授