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Synthesis of gold nanowires with controlled crystallographic characteristics

Karim, Shafqat ; Toimil-Molares, Maria E. ; Maurer, Florian ; Miehe, Gerhard ; Ensinger, Wolfgang ; Liu, J. ; Cornelius, Thomas W. ; Neumann, Reinhard (2006)
Synthesis of gold nanowires with controlled crystallographic characteristics.
In: Applied Physics A, 84 (4)
Artikel, Bibliographie

Kurzbeschreibung (Abstract)

The controlled fabrication of poly- and single-crystalline Au nanowires is reported. In polycarbonate templates, prepared by heavy-ion irradiation and subsequent etching, Au nanowires with diameters down to 25 nm are electrochemically synthesized. Four-circle X-ray diffraction and transmission electron microscopy measurements demonstrate that wires deposited potentiostatically at a voltage of -1.2 V at 65 °C are single-crystalline and oriented along the [110] direction. By reverse-pulse electrodeposition, wires oriented along the [100] direction are grown. The wires are cylindrical over their whole length. The morphology of the caps growing on top of poly- and single-crystalline wires is a strong indication of the particular crystalline structure of the nanowires.

Typ des Eintrags: Artikel
Erschienen: 2006
Autor(en): Karim, Shafqat ; Toimil-Molares, Maria E. ; Maurer, Florian ; Miehe, Gerhard ; Ensinger, Wolfgang ; Liu, J. ; Cornelius, Thomas W. ; Neumann, Reinhard
Art des Eintrags: Bibliographie
Titel: Synthesis of gold nanowires with controlled crystallographic characteristics
Sprache: Englisch
Publikationsjahr: 1 September 2006
Verlag: Springer
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Applied Physics A
Jahrgang/Volume einer Zeitschrift: 84
(Heft-)Nummer: 4
Kurzbeschreibung (Abstract):

The controlled fabrication of poly- and single-crystalline Au nanowires is reported. In polycarbonate templates, prepared by heavy-ion irradiation and subsequent etching, Au nanowires with diameters down to 25 nm are electrochemically synthesized. Four-circle X-ray diffraction and transmission electron microscopy measurements demonstrate that wires deposited potentiostatically at a voltage of -1.2 V at 65 °C are single-crystalline and oriented along the [110] direction. By reverse-pulse electrodeposition, wires oriented along the [100] direction are grown. The wires are cylindrical over their whole length. The morphology of the caps growing on top of poly- and single-crystalline wires is a strong indication of the particular crystalline structure of the nanowires.

Fachbereich(e)/-gebiet(e): 11 Fachbereich Material- und Geowissenschaften
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft
11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Materialanalytik
Hinterlegungsdatum: 20 Nov 2008 08:26
Letzte Änderung: 20 Feb 2020 13:23
PPN:
Sponsoren: One of the authors (S.K.) expresses his gratitude to the Higher Education Commission, Pakistan, for providing a scholarship.
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