Linking experiment and theory for three-dimensional networked binary metal nanoparticle–triblock terpolymer superstructures
Gruner, Sol M.
KAUST Grant NumberKUS-C1-018-02
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Abstract© 2014 Macmillan Publishers Limited. Controlling superstructure of binary nanoparticle mixtures in three dimensions from self-assembly opens enormous opportunities for the design of materials with unique properties. Here we report on how the intimate coupling of synthesis, in-depth electron tomographic characterization and theory enables exquisite control of superstructure in highly ordered porous three-dimensional continuous networks from single and binary mixtures of metal nanoparticles with a triblock terpolymer. Poly(isoprene-block-styrene-block-(N,N-dimethylamino)ethyl methacrylate) is synthesized and used as structure-directing agent for ligand-stabilized platinum and gold nanoparticles. Quantitative analysis provides insights into short-and long-range nanoparticle-nanoparticle correlations, and local and global contributions to structural chirality in the networks. Results provide synthesis criteria for next-generation mesoporous network superstructures from binary nanoparticle mixtures for potential applications in areas including catalysis.
CitationLi Z, Hur K, Sai H, Higuchi T, Takahara A, et al. (2014) Linking experiment and theory for three-dimensional networked binary metal nanoparticle–triblock terpolymer superstructures. Nat Comms 5. Available: http://dx.doi.org/10.1038/ncomms4247.
SponsorsThis work was supported by the NSF (DMR-1104773). K.H. was supported by award number KUS-C1-018-02, made by King Abdullah University of Science and Technology. Research made use of the Cornell Center for Materials Research Shared Facilities, supported through the NSF Materials Research Science and Engineering Centers program. The X-ray equipment was supported by Department of Energy Grant DE-FG02-10ER46693. Cornell High Energy Synchrotron Source was supported by the NSF and NIH-NIGMS via DMR-0936384. H.J. gratefully acknowledges the financial support received through a Grant-in-Aid (number 24310092) from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan. We gratefully acknowledge Joerg Werner (Cornell University) for experimental assistance.
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