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Electrical and optical properties of polymer‐Au nanocomposite films synthesized by magnetron cosputtering
Author(s) -
Liu Fanjung,
Shang Songmin,
Duan Yajun,
Li Liang
Publication year - 2011
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.34723
Subject(s) - materials science , nanocomposite , sputter deposition , microstructure , composite number , composite material , cavity magnetron , absorption (acoustics) , sputtering , transmission electron microscopy , thin film , electrical resistivity and conductivity , polymer , nanotechnology , engineering , electrical engineering
Polymer‐Au nanocomposite films were prepared by co‐sputtering from two independent magnetron sources. By sputtering from gold and polytetrafluoroethylene (PTFE) magnetrons, we prepared homogenous composite films using a rotatable sample holder. The microstructure of the nanocomposites was studied by transmission electron microscopy (TEM). The resistivity drops from 10 7 to 10 −3 Ohm cm over a narrow range of metal content. The thin composite films show a strong optical absorption in the visible region due to surface plasmon resonances. The optical absorption has a strong dependence on the metal content, showing a red shift of the absorption peak from 550 nm to more than 700 nm with increasing gold content. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
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