NIRT: Dendrimer-Stabilized Nanoparticles for Next-Generation Catalysts

摘要提案标题：NIRT：用于下一代催化剂的树枝状聚合物稳定的纳米颗粒提案编号：CTS-0103135主要研究员：Harry Ploehn机构：南卡罗来纳大学本提案是应“纳米科学与工程”（NSF 00-119）的征集而提交的。 本提案的目的是设计树枝状聚合物稳定的过渡金属纳米颗粒，过渡金属合金，过渡金属氧化物用于多相催化。 树枝状聚合物作为化学模板和纳米颗粒稳定剂，提供了精确控制催化纳米颗粒中原子的大小、组成和排列的机会，以及在表面上有序的二维和三维阵列中自组装和固定纳米颗粒的手段。 催化剂的活性，选择性，和寿命将提高利用独特的现象，催化结构的设计和制造的纳米级。 研究和教育活动包括理论设计，分子建模，纳米颗粒合成，催化剂制备和评估。 通过这一多学科活动，总体目标是基于合理的原子向上方法设计下一代催化剂。 将通过三个NSF-REU网站和斯隆基金会奖学金向学生提供额外的支持，旨在增加少数民族的参与。 这项工作有可能通过分子模拟和纳米颗粒的合成来提高催化剂的合理设计。

AbstractProposal Title: NIRT: Dendrimer-stabilized Nanoparticles for Next-generation CatalystsProposal Number: CTS-0103135Principal Investigator:Harry PloehnInstitution: University of South CarolinaThis proposal was submitted in response to the solicitation "Nanoscale Science and Engineering" (NSF 00-119). The objective of this proposal is to design dendrimer-stabilized nanoparticles of transition metals, bimetallic alloys, and transition metal oxides for use in heterogeneous catalysis. Dendrimers, used as chemical templates and nanoparticle stabilizers, provide an opportunity for precise control of the size, composition, and arrangement of atoms in catalytic nanoparticles, as well as a means for self-assembly and immobilization of nanoparticles in ordered two-dimensional and three-dimensional arrays on surfaces. Catalyst activity, selectivity, and lifetime will be improved by exploiting phenomena unique to catalytic structures designed and fabricated on the nanoscale. Research and educational activities include theoretical design, molecular modeling, nanoparticle synthesis, catalyst preparation and evaluation. Through this multidisciplinary activity, an overall goal is to design the next generation of catalysts based on a rational atom-up approach. Additional support will be provided to students through the three NSF-REU sites and through Sloan Foundation Fellowships, aimed at increasing minority participation. This work has the potential to improve the rational design of catalysts through molecular modeling and synthesis of nanoparticles.