The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.
Polyaniline/Au Composite Hollow Spheres: Synthesis, Characterization, and Application to the Detection of Dopamine
Abstract
Polyaniline (PANI)/Au composite hollow spheres were successfully synthesized using polystyrene/sulfonated polystyrene core/shell gel particle templates. The PANI shell thickness and the number of Au nanoparticles decorating the PANI could be controlled effectively by adjusting the experimental conditions. The morphology, composition, and optical properties of the resulting products were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, thermogravimetric analysis, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, and ultraviolet-visible absorption spectra. It was found that the electrical conductivity of the PANI/Au composite hollow spheres was more than 3 times higher than that of the pure PANI hollow spheres. Furthermore, PANI/Au composites were immobilized on the surface of a glassy carbon electrode (GCE) and applied to construct a sensor. The obtained PANI/Au-modified GCEs showed one pair of redox peaks and high catalytic activity for the oxidation of dopamine. The possible formation mechanism of the PANI/Au composite hollow spheres was also discussed.
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Metadata
- Authors
- Feng, X., Mao, C., Yang, G., Hou, W., & Zhu, J.-J.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-03-22
- Volume
- 22
- Issue
- 9
- Pages
- 4384-4389
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2041560556
- Cited by
- 351
- References
- 14
- FWCI
- 18.72
- Type
- journal article
- Language
- en
- Open access
- closed
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