Deposition of Ag and Ag-Au Nanocrystalline Films With Tunable Conductivity At The Water-Toluene Interface
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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Yn: RSC Advances, Cyfrol 8, 2018, t. 6225-6230.
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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T1 - Deposition of Ag and Ag-Au Nanocrystalline Films With Tunable Conductivity At The Water-Toluene Interface
AU - Stansfield, Gemma
AU - Johnston, Helena
AU - Baxter, Sean
AU - Prabhakar, John Thomas
PY - 2018
Y1 - 2018
N2 - Thin films of Au, Ag and Ag-Au alloy nanocrystals extending to areas of several square centimetres are obtained by deposition at the interface of water and toluene. Toluene containing chlorotris(triphenylphosphine)silver(I) and/or chlorotriphenylphosphine gold (I) is reacted with aqueous tetrakishhydroxymethlyphosphonium chloride to obtain nanocrystalline films adhered to the interfacial region. Alloying was induced by varying the composition of the toluene layer. The composition change results in regular and reproducible variation in the transport characteristics of the films, with the initially metallic deposits turning non-metallic with increased Au content. Thefilms at the interface were transferred to different substrates and characterized using Atomic force microscopy, UV-visible spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, Scanning and Transmission Electron microscopy.
AB - Thin films of Au, Ag and Ag-Au alloy nanocrystals extending to areas of several square centimetres are obtained by deposition at the interface of water and toluene. Toluene containing chlorotris(triphenylphosphine)silver(I) and/or chlorotriphenylphosphine gold (I) is reacted with aqueous tetrakishhydroxymethlyphosphonium chloride to obtain nanocrystalline films adhered to the interfacial region. Alloying was induced by varying the composition of the toluene layer. The composition change results in regular and reproducible variation in the transport characteristics of the films, with the initially metallic deposits turning non-metallic with increased Au content. Thefilms at the interface were transferred to different substrates and characterized using Atomic force microscopy, UV-visible spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, Scanning and Transmission Electron microscopy.
U2 - 10.1039/C7RA13370G
DO - 10.1039/C7RA13370G
M3 - Article
VL - 8
SP - 6225
EP - 6230
JO - RSC Advances
JF - RSC Advances
SN - 2046-2069
ER -