Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 55, Issue 5, Pages 1787-1791Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201510458
Keywords
colloidal polymers; nanoparticle assembly; tetrapods
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Funding
- Division of Chemical Science, Geosciences and Biosciences, Office of Basic Energy Sciences of the U.S. Department of Energy [DE-FG03-02ER15753]
- NSF [DMR-0645618]
- Ventana/GIGA Summer Assistantship Award
- NRF through the National Creative Research Initiative Center for Intelligent Hybrids [2010-0018290]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1307192] Funding Source: National Science Foundation
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We report on the first synthesis of a heterostructured semiconductor tetrapod from CdSe@CdS that carries a single dipolar nanoparticle tip from a core-shell colloid of Au@Co. A four-step colloidal total synthesis was developed, where the key step in the synthesis was the selective deposition of a single AuNP tip onto a CdSe@CdS tetrapod under UV-irradiation. Synthetic accessibility to this dipolar heterostructured tetrapod enabled the use of these as colloidal monomers to form colloidal polymers that carry the semiconductor tetrapod as a side chain group attached to the CoNP colloidal polymer main chain. The current report details a number of novel discoveries on the selective synthesis of an asymmetric heterostructured tetrapod that is capable of 1D dipolar assembly into colloidal polymers that carry tetrapods as side chain groups that mimic giant tert-butyl groups.
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