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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, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik.
KTH, Skolan för kemivetenskap (CHE), Fiber- och polymerteknik.ORCID-id: 0000-0002-9200-8004
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2012 (engelsk)Inngår i: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 28, nr 14, s. 5947-5955Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2012. Vol. 28, nr 14, s. 5947-5955
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URN: urn:nbn:se:kth:diva-94044DOI: 10.1021/la3000526ISI: 000302514800008Scopus ID: 2-s2.0-84859593590OAI: oai:DiVA.org:kth-94044DiVA, id: diva2:525413
Forskningsfinansiär
Swedish Research Council, 2008-5609 2006-3617 2009-3259
Merknad
QC 20120508Tilgjengelig fra: 2012-05-08 Laget: 2012-05-07 Sist oppdatert: 2017-12-07bibliografisk kontrollert

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