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J Am Chem Soc. 2003 Dec 31;125(52):16186-7.

Monopod, bipod, tripod, and tetrapod gold nanocrystals.

Author information

1
Center for Optical Materials Sciences and Engineering Technologies, School of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634-0971, USA. chens@clemson.edu

Abstract

Multipod gold nanocrystals have been synthesized via a simple solution-phase chemical reduction method at room temperature. Two types of structurally different particles are observed, including the regular tripod, which lies on the substrate with its {111} plane, and the cross-like tetrapod that sits on its {100} plane. Both structures have pods of 10 nm sizes and grow along 110 directions. Variously shaped particles, including tadpole-like or teardrop-like monopods, 90 degrees L-shaped, 180 degrees I-shaped, and 120 degrees V-shaped bipods, T-shaped, Y-shaped, and regular triangular tripods, and cross-like tetrapods, have been produced. Due to the high conductivity of metal, these branched structures are quite promising considering their applications as interconnections in the "bottom-up" self-assembly approach toward future nanocircuits and nanodevices, as well as in other related fields.

PMID:
14692749
DOI:
10.1021/ja038927x

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