Metallopolymers with Ferrocenyl and TEMPO Radical Units and Thermoelectric Properties of their Composites with Single-Wall Carbon Nanotubes

Mei Tung Lau; Zikang Li; Wai Yeung Wong

doi:10.1002/macp.202200419

Metallopolymers with Ferrocenyl and TEMPO Radical Units and Thermoelectric Properties of their Composites with Single-Wall Carbon Nanotubes

Mei Tung Lau, Zikang Li, Wai Yeung Wong (Corresponding Author)

Research output: Journal article publication › Journal article › Academic research › peer-review

2 Citations (Scopus)

Abstract

Radical-containing metallopolymers (RCMPs) represent a promising class of thermoelectric (TE) materials. Here, three RCMPs with the ferrocenyl moiety R1, R2, and R3 are synthesized. Single-walled carbon nanotubes (SWCNTs) are used to form the composites with each of these RCMPs and the morphological, spectroscopic electrochemical, and thermoelectric properties of the three polymer composites are studied. Composite R3/SWCNT shows the highest electrical conductivity (675.7 ± 36.0 S cm⁻¹) and power factor (174.3 ± 5.5 µW m⁻¹ K⁻²) compared to R1 and R2. It is shown that when the ferrocenyl unit is incorporated into the main chain of the polymer backbone, it reveals a better TE performance than that with the ferrocenyl unit at the periphery.

Original language	English
Article number	2200419
Journal	Macromolecular Chemistry and Physics
Volume	224
Issue number	3
Early online date	17 Dec 2022
DOIs	https://doi.org/10.1002/macp.202200419
Publication status	E-pub ahead of print - 17 Dec 2022

Keywords

carbon nanotubes
ferrocene
metallopolymers
organic radicals
thermoelectrics

ASJC Scopus subject areas

Condensed Matter Physics
Physical and Theoretical Chemistry
Polymers and Plastics
Organic Chemistry
Materials Chemistry

More information

10.1002/macp.202200419

Cite this

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abstract = "Radical-containing metallopolymers (RCMPs) represent a promising class of thermoelectric (TE) materials. Here, three RCMPs with the ferrocenyl moiety R1, R2, and R3 are synthesized. Single-walled carbon nanotubes (SWCNTs) are used to form the composites with each of these RCMPs and the morphological, spectroscopic electrochemical, and thermoelectric properties of the three polymer composites are studied. Composite R3/SWCNT shows the highest electrical conductivity (675.7 ± 36.0 S cm−1) and power factor (174.3 ± 5.5 µW m−1 K−2) compared to R1 and R2. It is shown that when the ferrocenyl unit is incorporated into the main chain of the polymer backbone, it reveals a better TE performance than that with the ferrocenyl unit at the periphery.",

keywords = "carbon nanotubes, ferrocene, metallopolymers, organic radicals, thermoelectrics",

author = "Lau, {Mei Tung} and Zikang Li and Wong, {Wai Yeung}",

note = "Funding Information: W.‐Y.W. acknowledges the financial support from the Science, Technology and Innovation Committee of Shenzhen Municipality (JCYJ20180507183413211), Hong Kong Research Grants Council (PolyU 15307321), the RGC Senior Research Fellowship Scheme (SRFS2021‐5S01), the National Natural Science Foundation of China (52073242), the Hong Kong Polytechnic University, Research Institute for Smart Energy (CDA2) and Miss Clarea Au for the Endowed Professorship in Energy (847S). Publisher Copyright: {\textcopyright} 2022 Wiley-VCH GmbH.",

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Metallopolymers with Ferrocenyl and TEMPO Radical Units and Thermoelectric Properties of their Composites with Single-Wall Carbon Nanotubes. / Lau, Mei Tung; Li, Zikang; Wong, Wai Yeung (Corresponding Author).
In: Macromolecular Chemistry and Physics, Vol. 224, No. 3, 2200419, 17.12.2022.

Research output: Journal article publication › Journal article › Academic research › peer-review

TY - JOUR

T1 - Metallopolymers with Ferrocenyl and TEMPO Radical Units and Thermoelectric Properties of their Composites with Single-Wall Carbon Nanotubes

AU - Lau, Mei Tung

AU - Li, Zikang

AU - Wong, Wai Yeung

N1 - Funding Information: W.‐Y.W. acknowledges the financial support from the Science, Technology and Innovation Committee of Shenzhen Municipality (JCYJ20180507183413211), Hong Kong Research Grants Council (PolyU 15307321), the RGC Senior Research Fellowship Scheme (SRFS2021‐5S01), the National Natural Science Foundation of China (52073242), the Hong Kong Polytechnic University, Research Institute for Smart Energy (CDA2) and Miss Clarea Au for the Endowed Professorship in Energy (847S). Publisher Copyright: © 2022 Wiley-VCH GmbH.

PY - 2022/12/17

Y1 - 2022/12/17

N2 - Radical-containing metallopolymers (RCMPs) represent a promising class of thermoelectric (TE) materials. Here, three RCMPs with the ferrocenyl moiety R1, R2, and R3 are synthesized. Single-walled carbon nanotubes (SWCNTs) are used to form the composites with each of these RCMPs and the morphological, spectroscopic electrochemical, and thermoelectric properties of the three polymer composites are studied. Composite R3/SWCNT shows the highest electrical conductivity (675.7 ± 36.0 S cm−1) and power factor (174.3 ± 5.5 µW m−1 K−2) compared to R1 and R2. It is shown that when the ferrocenyl unit is incorporated into the main chain of the polymer backbone, it reveals a better TE performance than that with the ferrocenyl unit at the periphery.

AB - Radical-containing metallopolymers (RCMPs) represent a promising class of thermoelectric (TE) materials. Here, three RCMPs with the ferrocenyl moiety R1, R2, and R3 are synthesized. Single-walled carbon nanotubes (SWCNTs) are used to form the composites with each of these RCMPs and the morphological, spectroscopic electrochemical, and thermoelectric properties of the three polymer composites are studied. Composite R3/SWCNT shows the highest electrical conductivity (675.7 ± 36.0 S cm−1) and power factor (174.3 ± 5.5 µW m−1 K−2) compared to R1 and R2. It is shown that when the ferrocenyl unit is incorporated into the main chain of the polymer backbone, it reveals a better TE performance than that with the ferrocenyl unit at the periphery.

KW - carbon nanotubes

KW - ferrocene

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KW - organic radicals

KW - thermoelectrics

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VL - 224

JO - Macromolecular Chemistry and Physics

JF - Macromolecular Chemistry and Physics

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Metallopolymers with Ferrocenyl and TEMPO Radical Units and Thermoelectric Properties of their Composites with Single-Wall Carbon Nanotubes

Abstract

Keywords

ASJC Scopus subject areas

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