4.8 Article

Simple Cubic Packing of Gold Nanoparticles through Rational Design of Their Dendrimeric Corona

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 2, Pages 808-811

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja2095816

Keywords

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Funding

  1. JSPS [16685018, 19685017, 22685019]
  2. METI NEDO
  3. European FP7 Project NANOGOLD [NMP3-SL-2009-228455]
  4. WCU through NRF of Korea
  5. Ministry of Education, Science and Technology [R31-10013]
  6. Grants-in-Aid for Scientific Research [19685017, 22685019, 16685018] Funding Source: KAKEN
  7. National Research Foundation of Korea [R31-2012-000-10013-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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The first simple-cubic liquid crystal was obtained by coating monodisperse Au nanoparticles (NPs) with a thick corona of amino-substituted organic dendrons. This unusual structure was determined by grazing-incidence diffraction and electron density reconstruction and explained by analyzing the radial density profile of the corona. Another novel structure is proposed for the phase preceding the cubic one: a hexagonal superlattice composed of alternating dense and sparse strings of Au NPs.

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