Document Detail

Preparation and Electromagnetic Properties of Core/Shell Polystyrene@Polypyrrole@Nickel Composite Microspheres.
MedLine Citation:
PMID:  23277287     Owner:  NLM     Status:  Publisher    
Through a novel method, we successfully synthesized electromagnetic (EM) functional polystyrene@polypyrrole@nickel (PS@PPy@Ni) composite microspheres. The PS@PPy spheres with well-defined core/shell structure have been synthesized via an in situ chemical oxidative co-polymerization of pyrrole (Py) and N-2-carboxyethylpyrrole (PyCOOH) templated by PS microspheres. The reaction was carried out under heterophase conditions using the mixture of ethanol and water as the continuous phase. Tailored by the carboxyl groups on the surface of microspheres, magnetic nickel layer has been steady deposited onto the P(Py-PyCOOH) layer of the microspheres through an activation-electroless plating technology. The fine PS@P(Py-PyCOOH)@Ni core/shell structures could be obtained with the PyCOOH content up to 50 wt% in the P(Py-PyCOOH) layer. Moreover, the as-prepared PS@P(Py-PyCOOH)@Ni composites are ferromagnetic materials and behave as a good electromagnetic (EM) absorption material due to the coating of Ni layer around the PS@P(Py-PyCOOH) spheres. The PS@P(Py-PyCOOH)@Ni composite spheres show the remarkable EM wave absorption property with the maximum reflection loss (around -20.06 dB) at 10.69 GHz. The EM wave absorption can retained lower than -10 dB within a broad frequency range from 9.16 to 13.75 GHz.
Wenzhe Li; Teng Qiu; Leilei Wang; Shanshan Ren; Jiangru Zhang; Lifan He; Xiaoyu Li
Related Documents :
22021187 - A human-like collagen/chitosan electrospun nanofibrous scaffold from aqueous solution: ...
18978917 - Two-color surface lattice solitons.
21568617 - Long-range hydration effect of lipid membrane studied by terahertz time-domain spectros...
21914937 - Uv-durable superhydrophobic textiles with uv-shielding properties by coating fibers wit...
22021187 - A human-like collagen/chitosan electrospun nanofibrous scaffold from aqueous solution: ...
24531427 - Effects of game location, quality of opposition and starting quarter score in the outco...
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-31
Journal Detail:
Title:  ACS applied materials & interfaces     Volume:  -     ISSN:  1944-8252     ISO Abbreviation:  ACS Appl Mater Interfaces     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2013-1-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101504991     Medline TA:  ACS Appl Mater Interfaces     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Enhancement of cisplatin-induced apoptosis by ?-elemene in resistant human ovarian cancer cells.
Next Document:  PXR-mediated P-glycoprotein induction by small molecule tyrosine kinase inhibitors.