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Electric-field-assisted growth of highly uniform and oriented gold nanotriangles on conducting glass substrates
Panikkanvalappil Ravindranathan Sajanlal,
Published in
2008
Volume: 20
   
Issue: 5
Pages: 980 - 983
Abstract
A novel methodology to fabricate highly aligned array of equilateral gold NTs on ITO substrates was demonstrated. The ITO glass substrate was cleaned with a mild detergent solution, sonicated with deionized water and soaked in 10 % HCl solution for activation. They were then washed with water, dried and annealed at 450°C for 7 h and cooled in a desiccator. The glass slides were dipped in 30 mM APTMS solution in methanol for 1 h. Afterwards, they were washed with methanol and water in sequence and kept at 110°C for 2h. Seed coated substrate and an identical blank ITO glass plate were kept at 5 mm apart such that the conducting surfaces faced each other and were connected to the -ve and +ve terminals of a DC power supply. Contact mode AFM measurements were carried out using a reflux coated nanosensors silicon cantilever. It was observed that at higher potentials, irregular shapes are obtained.
About the journal
JournalAdvanced Materials
ISSN09359648
Open AccessNo
Concepts (25)
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    Deionized water
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    Electric power systems
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    Glass
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    Hydrochloric acid
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    Metal refining
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    Methanol
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    Silicon
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    AFM MEASUREMENTS
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    ALIGNED ARRAYS
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    COATED SUBSTRATES
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    CONDUCTING GLASSES
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    CONDUCTING SURFACES
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    CONTACT MODES
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    DC POWER SUPPLIES
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    DETERGENT SOLUTIONS
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    ELECTRIC-FIELD
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    Gold nanotriangles
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    HCL SOLUTIONS
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    IRREGULAR SHAPES
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    ITO GLASS SUBSTRATES
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    ITO GLASSES
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    ITO SUBSTRATES
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    NOVEL METHODOLOGIES
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    SILICON CANTILEVERS
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    Substrates