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Hybrid One-Dimensional Nanostructures: One-Pot Preparation of Nanoparticle Chains via Directed Self-Assembly of in Situ Synthesized Discrete Au Nanoparticles
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0002-9200-8004
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2012 (English)In: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 28, no 14, 5947-5955 p.Article in journal (Refereed) Published
Abstract [en]

The fabrication of well-defined one-dimensional (1D) arrays is becoming a challenge for the development of the next generation of advanced nanodevices. Herein, a simple concept is proposed for the in situ synthesis and self-assembly of gold nanoparticles (AuNPs) into ID arrays via a one-step process. The results demonstrated the formation of nanoparticle chains (NPC) with high aspect ratio based on discrete Au nanoparticles stabilized by short thiol ligands. A model was proposed to explain the self-assembly based on the investigation of several parameters such as pH, solvent, temperature, and nature of the ligand on the 1D assembly formation. Hydrogen bonding was identified as a key factor to direct the self-assembly of the hybrid organic inorganic nanomaterials into the well-defined 1D nanostructures. This simple and cost-effective concept could potentially be extended to the fabrication of a variety of hybrid 1D nanostructures possessing unique physical properties leading to a wide range of applications including catalysis, bionanotechnology, nanoelectronics, and photonics.

Place, publisher, year, edition, pages
2012. Vol. 28, no 14, 5947-5955 p.
National Category
Chemical Sciences
URN: urn:nbn:se:kth:diva-94044DOI: 10.1021/la3000526ISI: 000302514800008ScopusID: 2-s2.0-84859593590OAI: diva2:525413
Swedish Research Council, 2008-5609 2006-3617 2009-3259
QC 20120508Available from: 2012-05-08 Created: 2012-05-07 Last updated: 2012-08-01Bibliographically approved

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Walter, Marie ValérieMalkoch, Michael
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