4.8 Article

Metal-Metal and π-π Interactions Directed End-to-End Assembly of Gold Nanorods

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 138, Issue 9, Pages 2989-2992

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jacs.6b01382

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Funding

  1. University of Hong Kong under URC Strategic Research Theme on New Materials
  2. University Grants Committee Areas of Excellence Scheme [AoE/P-03/08]
  3. General Research Fund (GRF) grant from Research Grants Council of Hong Kong Special Administrative Region, China [HKU 7051/13P]

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The end-to-end aggregation of gold nano rods (GNRs) has been demonstrated to be directed by a thioacetate-containing alkynylplatinum(II) terpyridine complex. The in situ deprotected complex is preferentially attached at the ends of the gold nanorods (GNRs) and induce the aggregation of GNRs in an end-to-end manner by Pt center dot center dot center dot Pt and pi-pi interactions, which have been characterized by electron microscopy, energy dispersed Xray (EDX) analysis, and UV-vis absorption spectroscopy. The assembly of the nanorods into chain-like nanostructures can be controlled by the concentration of the Pt(II) complexes.

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