Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 2, Issue 3, Pages 524-529Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3tc31865f
Keywords
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Funding
- National Natural Science Foundation of China [51273151]
- Program for New Century Excellent Talents in University [NCET-11-0415]
- National Basic Research Program of China (973 Program) [2010CB732203]
- Fundamental Research Funds for the Central Universities
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In this work, regenerated cellulose (RC)-Cu nanocomposite films with interesting single-side conductive properties were prepared using in situ coating. The structure and morphology of the films were investigated with XRD, ATR-FTIR, XPS, TG, SEM, TEM and AFM analysis. The mechanical properties and conductive performance of the films were also examined. The copper of a cellulose-cuprammonium solution was employed as the coating source as opposed to the addition of other conductive substances. The single-side coating of Cu nanocomposite film was achieved by one-step reduction based on the asymmetric surface structure of RC film. A layer of Cu nanoparticles with the thickness of similar to 1 mu m was coated on the coagulant-contacting surface. The RC-Cu nanocomposite films displayed high single-sided conductivity (105.6 +/- 63.9 S cm (1)). It was found that the resistance could be tuned by changing the bending curvature. This study provides potential applications in areas such as electronic substrates, wearable electronics and sensors.
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