Kinetically Controlled, Shape-Directed Assembly of Nanorods

Building materials: Identical building blocks (two‐segment polypyrrole/gold nanorods) can be assembled into different 3D superstructures through kinetic control of the assembly process (see picture). The number and location of the rods are controlled by photolithography, and their orientation and sp...

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Published inSmall (Weinheim an der Bergstrasse, Germany) Vol. 4; no. 2; pp. 206 - 210
Main Authors Ciszek, Jacob W., Huang, Ling, Wang, Yuhuang, Mirkin, Chad A.
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 01.02.2008
WILEY‐VCH Verlag
Subjects
Aluminum Oxide
Gold
Kinetics
Metal Nanoparticles - chemistry
Metal Nanoparticles - ultrastructure
Microscopy, Atomic Force
Microscopy, Electron, Scanning
nanorods
Nanotechnology - methods
Nanotubes - chemistry
Nanotubes - ultrastructure
Particle Size
Polymers
Pyrroles
self-assembly
superstructures
templates
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Summary:Building materials: Identical building blocks (two‐segment polypyrrole/gold nanorods) can be assembled into different 3D superstructures through kinetic control of the assembly process (see picture). The number and location of the rods are controlled by photolithography, and their orientation and spacing are controlled via an anodic aluminum oxide template.
Bibliography:ArticleID:SMLL200700840
istex:C728A83A1C2234164CBF6CBD71FAAF35FFFE69FE
This work was supported by ONR and NSF. The authors thank Ariel Atkinson and Keith Macrenaris for their assistance with ICP work, as well as Dr. Stefan Tsonchev, Prof. Mark Ratner, and Prof. George Schatz for their helpful discussions. J.W.C. thanks the American Cancer Society for a postdoctoral fellowship. This work makes use of Central Facilities supported by the MRSEC and NSEC programs of the National Science Foundation at Northwestern University.
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ISSN:1613-6810
1613-6829
DOI:10.1002/smll.200700840