期刊
NATURE CHEMISTRY
卷 4, 期 1, 页码 37-44出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nchem.1195
关键词
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资金
- US National Science Foundation (NSF) [CHE-0845258]
- Penn State Materials Research Science and Engineering Center [DMR-0820404]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [0845258] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [820404] Funding Source: National Science Foundation
Colloidal hybrid nanoparticles contain multiple nanoscale domains fused together by solid-state interfaces. They represent an emerging class of multifunctional lab-on-a-particle architectures that underpin future advances in solar energy conversion, fuel-cell catalysis, medical imaging and therapy, and electronics. The complexity of these 'artificial molecules' is limited ultimately by the lack of a mechanism-driven design framework. Here, we show that known chemical reactions can be applied in a predictable and stepwise manner to build complex hybrid nanoparticle architectures that include M-Pt-Fe(3)O(4) (M = Au, Ag, Ni, Pd) heterotrimers, M(x)S-Au-Pt-Fe(3)O(4) (M = Pb, Cu) heterotetramers and higher-order oligomers based on the heterotrimeric Au-Pt-Fe(3)O(4) building block. This synthetic framework conceptually mimics the total-synthesis approach used by chemists to construct complex organic molecules. The reaction toolkit applies solid-state nanoparticle analogues of chemoselective reactions, regiospecificity, coupling reactions and molecular substituent effects to the construction of exceptionally complex hybrid nanoparticle oligomers.
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