title: Hybrid one-dimensional nanostructures: one-pot preparation of nanoparticle chains via directed self-assembly of in situ synthesized discrete Au nanoparticles.
abstract: 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 1D 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.
authors.affiliation: School of Chemical Science and Engineering, Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, SE-100, 44 Stockholm, Sweden.
authors.forename: Marie V
authors.initials: MV
authors.lastname: Walter
authors.forename: Nicolas
authors.initials: N
authors.lastname: Cheval
authors.forename: Olimpia
authors.initials: O
authors.lastname: Liszka
authors.forename: Michael
authors.initials: M
authors.lastname: Malkoch
authors.forename: Amir
authors.initials: A
authors.lastname: Fahmi
mesh_terms: D006046:Gold / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D053768:Metal Nanoparticles / Q000737:chemistry*; D036103:Nanotechnology / Q000191:economics / Q000379:methods*; D012997:Solvents / Q000737:chemistry; D013438:Sulfhydryl Compounds / Q000737:chemistry; D013696:Temperature
chemical_list: D012997:Solvents; D013438:Sulfhydryl Compounds; D006046:Gold