Shi, J., Tong, B., Li, Z., Shen, J., Zhao, W., Fu, H., Zhi, J., Dong, Y., Häussler, M., Lam, J. W. Y., & Tang, B. Z. (2007). Hyperbranched poly(ferrocenylphenylenes): Synthesis, characterization, redox activity, metal complexation, pyrolytic ceramization, and soft ferromagnetism. Macromolecules, 40(23), 8195-8204. https://doi.org/10.1021/ma071019q
Shi, Jianbing ; Tong, Bin ; Li, Zhen et al. / Hyperbranched poly(ferrocenylphenylenes) : Synthesis, characterization, redox activity, metal complexation, pyrolytic ceramization, and soft ferromagnetism. In: Macromolecules. 2007 ; Vol. 40, No. 23. pp. 8195-8204.
@article{6d90c4e33561479e9ae22dd897a1b524,
title = "Hyperbranched poly(ferrocenylphenylenes): Synthesis, characterization, redox activity, metal complexation, pyrolytic ceramization, and soft ferromagnetism",
abstract = "Hyperbranched poly(ferrocenylphenylenes) (hb-PFPs) with high molecular weights were synthesized by the copolycyclotrimerizations of (E,E)-1,1′-bis[2-(4-ethynylphenyl)vinyl]ferrocene (1) with (E)-1-[2-(4-ethynylphenyl)vinyl]ferrocene (2) catalyzed by TaCl 5-Ph4Sn at room temperature in high yields (up to 97%). Effects of reaction conditions, such as monomer and catalyst concentrations, reaction time and molar feed ratio (r1/2), on the copolycyclotrimerization were investigated. Solubility of the copolymer is decreased with an increase in its content of diyne component (N 1/N2). The hb-PFPs were characterized by IR, NMR, UV, CV and TGA analyses. The copolymers are redox active, whose oxidation potentials are decreased with an increase in N1/N2. They are thermally stable, losing ∼5% of weights when heated to 384-400 °C and retaining ∼70% of weights when pyrolyzed at 1200 °C. The complexation with cobalt carbonyl further metallizes the hb-PFPs and the pyrolytic ceramization of the cobalt-polymer complexes yields soft ferromagnetic ceramics with high magnetizability (Ms up to ∼126 emu/g) and low coercivity (Hc down to ∼0.068 kOe).",
author = "Jianbing Shi and Bin Tong and Zhen Li and Jinbo Shen and Wei Zhao and Huanhuan Fu and Junge Zhi and Yuping Dong and Matthias H{\"a}ussler and Lam, {Jacky W.Y.} and Tang, {Ben Zhong}",
year = "2007",
month = nov,
day = "13",
doi = "10.1021/ma071019q",
language = "English",
volume = "40",
pages = "8195--8204",
journal = "Macromolecules",
issn = "0024-9297",
publisher = "American Chemical Society",
number = "23",
}
Shi, J, Tong, B, Li, Z, Shen, J, Zhao, W, Fu, H, Zhi, J, Dong, Y, Häussler, M, Lam, JWY & Tang, BZ 2007, 'Hyperbranched poly(ferrocenylphenylenes): Synthesis, characterization, redox activity, metal complexation, pyrolytic ceramization, and soft ferromagnetism', Macromolecules, vol. 40, no. 23, pp. 8195-8204. https://doi.org/10.1021/ma071019q
Hyperbranched poly(ferrocenylphenylenes): Synthesis, characterization, redox activity, metal complexation, pyrolytic ceramization, and soft ferromagnetism. /
Shi, Jianbing; Tong, Bin; Li, Zhen et al.
In:
Macromolecules, Vol. 40, No. 23, 13.11.2007, p. 8195-8204.
Research output: Contribution to journal › Article › peer-review
TY - JOUR
T1 - Hyperbranched poly(ferrocenylphenylenes)
T2 - Synthesis, characterization, redox activity, metal complexation, pyrolytic ceramization, and soft ferromagnetism
AU - Shi, Jianbing
AU - Tong, Bin
AU - Li, Zhen
AU - Shen, Jinbo
AU - Zhao, Wei
AU - Fu, Huanhuan
AU - Zhi, Junge
AU - Dong, Yuping
AU - Häussler, Matthias
AU - Lam, Jacky W.Y.
AU - Tang, Ben Zhong
PY - 2007/11/13
Y1 - 2007/11/13
N2 - Hyperbranched poly(ferrocenylphenylenes) (hb-PFPs) with high molecular weights were synthesized by the copolycyclotrimerizations of (E,E)-1,1′-bis[2-(4-ethynylphenyl)vinyl]ferrocene (1) with (E)-1-[2-(4-ethynylphenyl)vinyl]ferrocene (2) catalyzed by TaCl 5-Ph4Sn at room temperature in high yields (up to 97%). Effects of reaction conditions, such as monomer and catalyst concentrations, reaction time and molar feed ratio (r1/2), on the copolycyclotrimerization were investigated. Solubility of the copolymer is decreased with an increase in its content of diyne component (N 1/N2). The hb-PFPs were characterized by IR, NMR, UV, CV and TGA analyses. The copolymers are redox active, whose oxidation potentials are decreased with an increase in N1/N2. They are thermally stable, losing ∼5% of weights when heated to 384-400 °C and retaining ∼70% of weights when pyrolyzed at 1200 °C. The complexation with cobalt carbonyl further metallizes the hb-PFPs and the pyrolytic ceramization of the cobalt-polymer complexes yields soft ferromagnetic ceramics with high magnetizability (Ms up to ∼126 emu/g) and low coercivity (Hc down to ∼0.068 kOe).
AB - Hyperbranched poly(ferrocenylphenylenes) (hb-PFPs) with high molecular weights were synthesized by the copolycyclotrimerizations of (E,E)-1,1′-bis[2-(4-ethynylphenyl)vinyl]ferrocene (1) with (E)-1-[2-(4-ethynylphenyl)vinyl]ferrocene (2) catalyzed by TaCl 5-Ph4Sn at room temperature in high yields (up to 97%). Effects of reaction conditions, such as monomer and catalyst concentrations, reaction time and molar feed ratio (r1/2), on the copolycyclotrimerization were investigated. Solubility of the copolymer is decreased with an increase in its content of diyne component (N 1/N2). The hb-PFPs were characterized by IR, NMR, UV, CV and TGA analyses. The copolymers are redox active, whose oxidation potentials are decreased with an increase in N1/N2. They are thermally stable, losing ∼5% of weights when heated to 384-400 °C and retaining ∼70% of weights when pyrolyzed at 1200 °C. The complexation with cobalt carbonyl further metallizes the hb-PFPs and the pyrolytic ceramization of the cobalt-polymer complexes yields soft ferromagnetic ceramics with high magnetizability (Ms up to ∼126 emu/g) and low coercivity (Hc down to ∼0.068 kOe).
UR - http://www.scopus.com/inward/record.url?scp=36349024771&partnerID=8YFLogxK
U2 - 10.1021/ma071019q
DO - 10.1021/ma071019q
M3 - Article
AN - SCOPUS:36349024771
SN - 0024-9297
VL - 40
SP - 8195
EP - 8204
JO - Macromolecules
JF - Macromolecules
IS - 23
ER -
Shi J, Tong B, Li Z, Shen J, Zhao W, Fu H et al. Hyperbranched poly(ferrocenylphenylenes): Synthesis, characterization, redox activity, metal complexation, pyrolytic ceramization, and soft ferromagnetism. Macromolecules. 2007 Nov 13;40(23):8195-8204. doi: 10.1021/ma071019q