报告介绍 Abstract: Classical approach accounting for ionic colloids (ICs) was established in the 40’s by the joint effort of Derjaguin & Landau and Verwey & Overbeek; known as DLVO theory. Though successful in explaining stability of ICs the DLVO addresses half story, namely the interplay between attractive and repulsive interaction among the colloidal particles, given the surface charge densit...

报告介绍 Abstract： Our laboratory recently develops Polymer-Assisted Metal Deposition (PAMD). PAMD allows ambient fabrication of flexible, foldable, stretchable, compressible, and wearable metal (especially Cu) conductors with very high conductivity. The key innovation of PAMD is the use of a thin and functional polymeric interfacial layer that assists electroless deposition (ELD) of metal thin films and pa...

报告介绍 Abstract： Due to their stability associated to their excellent catalytic properties, NHC-metal complexes (NHC= NHeterocyclic Carbene) have been extensively used for a wide range of reactions. However, their syntheses in solution are highly substrate-dependent and require long reaction times and excess of reagents. A convenient way to increase the efficiency and to reduce the environmental impact of...

报告介绍 报告摘要： 自从功能介孔材料问世以来，引起了人们广泛兴趣。其特殊的介观结构和性质，超高比表面，超大的孔容，大而均一可调的孔径，在石油裂化、催化、吸附、分离等方面，尤其是生物药物传递、检测、诊断具有广阔的应用前景。我们将围绕功能介孔材料的发展，重点介绍了一种采用两亲性表面活性剂、嵌段共聚物模板法合成高度有序的新型功能介孔材料及其在载药、荧光检测等方面的应用。首先我们将介绍最近发展的几种新的合成方法，包...

报告介绍 Abstract： In this talk, I will summarize the recent research on synthesis, characterization and applications of two-dimensional nanomaterials in my group. I will introduce the synthesis and characterization of novel low-dimensional nanomaterials, such as graphene-based composites including the first-time synthesized hexagonal-close packed (hcp) Au nanosheets (AuSSs) on graphene oxide, surface-...

报告介绍 报告摘要：　　黄嘉兴教授2000年本科毕业于中国科学技术大学化学物理系，2004年于美国加州大学洛杉矶分校取得化学博士学位，2004-2007年获得加州大学伯克利分校米勒研究奖资助并加入杨培东教授实验室从事博士后工作。2007起在美国西北大学材料科学与工程系工作。黄老师的研究方向为材料化学与加工，发表了很多原创性的工作．　　黄嘉兴老师的研究组一直实践这样一个理念：通过科研和教学来创造具有潜在用途的新知识，材料和技术；来...

报告介绍

报告介绍 Abstract： 　　Carbon materials are of immense practical importance, but are often known as structurally ill-defined “black stuff” such as soot. Graphenes and graphene nanoribbons (GNRs), their geometrically restricted cutouts, are new additions to the carbon family which are widely praised as multifunctional wonder materials and rich playgrounds for physicists. Indeed, graphenes hold en...

报告介绍 报告摘要： 贵金属催化剂具有很高的催化活性，是电化学能量转换与储能过程的核心材料，但高昂的成本限制了其在产业化中的广泛应用。基于纳米结构碳和过渡金属氧化物的非金属和非贵金属电催化剂在能源转化过程中具有与贵金属类似的催化活性。通过对纳米结构碳基电催化剂的杂原子掺杂可以进一步提高其在电化学氧还原反应（ORR）、产氧反应（OER）和产氢反应（HER）中的催化活性。在我们的研究中，将石墨烯/多孔碳复合材料进行非贵金属...

报告介绍 报告摘要： There is huge effort in searching for high-performance thermoelectric (TE) materials in recent years. For that, understanding the thermal and electrical transports in complex materials is the key scientific issues to be pursued. This talk will try to summarize our efforts in understanding thermoelectric transports in compound materials with different level of structural complexity. The co...

报告介绍 Abstract： Surface forces are conventionally interpreted under constant charge or constant potential conditions. But constant potential is a special case involving charge transfer between solution and surface. Other charging mechanisms include charge regulation, competitive site binding, and redox charging of electrodes. In each case the forces are influenced by the nonelectrosta...

报告介绍 Abstract： A ultrafine aluminum hydroxide nanoparticle suspension was prepared via controlled titration of [Al(H2O)6]3+ with L-arginine to pH 4.6. The prepared material, predominantly 10-30 nm in diameter, was purified by GPC technique and subsequently identified as gibbsite (or hydrargillite) polymorph via FTIR, powder XRD, and elemental analysis. Chemical environment and morphology were probed usi...

报告介绍 报告摘要： 通过体外热力学与动力学模拟和动物实验验证，首次弄清了三聚氰胺诱导肾脏尿酸结石的形成机理，并优化出抑制三聚氰胺/尿酸结石的形成的试剂，以及将三聚氰胺/尿酸结石消除的药物，为人类的健康做出了贡献。报告人简介：　　吴庆生，中国科大博士，同济大学首聘二级教授，上海市教学名师，宝钢奖优秀教师。现任同济大学纳米中心执行主任。主要从事纳米化学和纳米生物医药方面的研究工作，是国际上纳米材料过程仿生合成的开...

报告介绍 Abstract： 　　In situ scanning tunneling microscopy (STM) is considered as the most direct means to probe the static structures and dynamic reaction at electrified interfaces. This technique has been used to study the conformation of conducting polymers of aniline and pyrrole, effect of organic additive on electrodeposition of copper, the electrocatalysis of artificial metal adlayer. Some results i...

报告介绍 报告摘要： Plasmonic biochips typically consist of metallic gold or silver nanostructures on substrates through which they exhibit highly sensitive collective electromagnetic oscillations depending on the surrounding dielectric materials. These biochips are known as localized surface plasmon resonance (LSPR) sensors . From a diagnostics perspective, plasmonic-enabled methodologies for routine use an...

报告介绍 Abstract： 　　Electrocatalysis of small molecules is of great importance in energy conversion and storage devices. Electrode materials play the critical role in determining the efficiency and the cost of these devices. Great effort has been given in recent years to exploring the new and efficient electrode materials. This presentation will introduce our recent studies and progress on metal and oxid...