Journal
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS
Volume 23, Issue 1, Pages 147-157Publisher
SPRINGER
DOI: 10.1007/s10904-012-9727-3
Keywords
Ceramics; Ferrocene; Hyperbranched polymer; Magnetism; Photopattern; Refractive index
Categories
Funding
- National Science Foundation of China [20974028]
- HKUST [RPC10SC13, RPC11SC09, SRFI11SC03PG]
- Research Grants Council of Hong Kong [604711, 603509, HKUST2/CRF/10, N_HKUST620/11]
- Innovation and Technology Commission [ITCPP/17-9]
- University Grants Committee of Hong Kong [AoE/P-03/08]
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Ferrocene-decorated hyperbranched poly[1,3,5-tri(aroycarbonyl)phenylene]s (hb-PTACPs) are prepared in moderate yields with high molecular weights by one-pot polycyclotrimerization of 4,4'-isopropylidenediphenyl bipropiolate with 4-(ferrocenylmethyl)phenyl propiolate in reflux dimethylformamide. All the polymers are soluble and film-forming. They enjoy high thermal stability and lost little of their weight when heated to 300 A degrees C under nitrogen. Thin solid films of the organometallic polymers shows high refractive indices (RI = 1.7038-1.6295) in the wavelength region of 400-1,700 nm. Ceramization of the organometallic hb-PTACPs at high temperature under inert atmosphere gives iron nanoparticles with high magnetizabilities. The organometallic polymers are readily crosslinked under UV irradiation and pyrolysis of the patterned polymer films produces magnetic ceramic patterns with good shape retention.
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