Novel method of preparing Ag–Hg alloy on polyacrylamide films and their structure | Zendy

Lee Jiunn Yih | Zendy; Tanaka Hisashi | Zendy; Takezoe Hideo | Zendy; Fukuda Atsuo | Zendy; Kuze Eiichi | Zendy; Iwanaga Hiroshi | Zendy

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Novel method of preparing Ag–Hg alloy on polyacrylamide films and their structure

Author(s) -

Lee Jiunn Yih,

Tanaka Hisashi,

Takezoe Hideo,

Fukuda Atsuo,

Kuze Eiichi,

Iwanaga Hiroshi

Publication year - 1984

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1984.070290307

Subject(s) - alloy , potentiometric titration , materials science , polyacrylamide , aqueous solution , ammonia , thin film , titration , chemical engineering , analytical chemistry (journal) , inorganic chemistry , chemistry , polymer chemistry , composite material , nanotechnology , chromatography , organic chemistry , electrode , engineering

A novel method is proposed of preparing thin Ag–Hg alloy on PAAm film surface at room temperature: The film of interest is formed by holding PAAm aqueous solution with AgNO 3 in Hg‐saturated atmosphere. Two kinds of films, one of which is a conductor and the other an insulator, can be selectively formed with pH‐controlled PAAm solution by ammonia. The conducting surface is assigned to the α phase of Ag–Hg alloy by means of X‐ray analysis. Potentiometric titration and IR spectral studies suggest the existence of PAAm–Ag + complexes. On the basis of their structure and the oxidation and reduction potential of Ag + and Hg 2+ , the mechanism of film formation is also discussed.

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