期刊
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
卷 70, 期 2, 页码 286-291出版社
SPRINGER
DOI: 10.1007/s10971-013-3169-4
关键词
Ordered ceramic-metal nanocomposites; Block copolymer; Metal nanoparticles; Organic-inorganic materials; Bottom-up approach
资金
- NSF [DMR-1104773]
- Singapore Energy Innovation Office for a National Research Foundation graduate fellowship
- Swiss National Science Foundation
- NSF Materials Research Science and Engineering Centers (MRSEC) program [DMR-1120296]
- Department of Energy Grant [DMR-0936384]
- NSF
- NIH-NIGMS [DMR-0225180]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1104773] Funding Source: National Science Foundation
A novel strategy for fabrication of ordered ceramic-metal nanocomposites was demonstrated by multifunctional block copolymer/metal nanoparticle self-assembly. Hybrid organic-inorganic block copolymer poly(3-methacryloxypropyl-T8-heptaisobutyl-polyhedral oligomeric silsesquioxane-block-N,N-dimethylaminoethyl methacrylate) was synthesized and used as a bi-functional structure directing agent for ligand-stabilized platinum nanoparticles to form ordered organic-inorganic nanocomposites with dense loading of inorganic species in both microphase separated domains. Subsequently, thin films of the hybrid material were converted to ordered silica (ceramic)-platinum (metal) nanocomposites via UV-assisted ozonolysis. This is the first time ordered ceramic-metal nanocomposites were achieved through a bottom-up approach, opening up opportunities for the design and synthesis of a broad range of ordered inorganic-inorganic nanocomposites.
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