Enhancing the Conductivity and Thermoelectric Performance of Semicrystalline Conducting Polymers through Controlled Tie Chain Incorporation

Enhancing the Conductivity and Thermoelectric Performance of Semicrystalline Conducting Polymers through Controlled Tie Chain Incorporation

© 2024 The Authors. Advanced Materials published by Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 28 vom: 25. Juli, Seite e2310480
1. Verfasser: Zhu, Wenjin (VerfasserIn)
Weitere Verfasser: Qiu, Xinkai, Laulainen, Joonatan E M, Un, Hio-Leng, Ren, Xinglong, Xiao, Mingfei, Freychet, Guillaume, Vacek, Petr, Tjhe, Dion, He, Qiao, Wood, William, Wang, Zichen, Zhang, Youcheng, Qu, Zhengkang, Asatryan, Jesika, Martin, Jaime, Heeney, Martin, McNeill, Christopher R, Midgley, Paul A, Jacobs, Ian E, Sirringhaus, Henning
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article ion exchange doping organic thermoelectrics polymer alignment tie chains
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520 |a Conjugated polymers are promising materials for thermoelectric applications, however, at present few effective and well-understood strategies exist to further advance their thermoelectric performance. Here a new model system is reported for a better understanding of the key factors governing their thermoelectric properties: aligned, ribbon-phase poly[2,5-bis(3-dodecylthiophen-2-yl)thieno[3,2-b]thiophene] (PBTTT) doped by ion-exchange doping. Using a range of microstructural and spectroscopic methods, the effect of controlled incorporation of tie-chains between the crystalline domains is studied through blending of high and low molecular weight chains. The tie chains provide efficient transport pathways between crystalline domains and lead to significantly enhanced electrical conductivity of 4810 S cm-1, which is not accompanied by a reduction in Seebeck coefficient or a large increase in thermal conductivity. Respectable power factors of 173 µW m-1 K-2 are demonstrated in this model system. The approach is generally applicable to a wide range of semicrystalline conjugated polymers and could provide an effective pathway for further enhancing their thermoelectric properties and overcome traditional trade-offs in optimization of thermoelectric performance 
650 4 |a Journal Article 
650 4 |a ion exchange doping 
650 4 |a organic thermoelectrics 
650 4 |a polymer alignment 
650 4 |a tie chains 
700 1 |a Qiu, Xinkai  |e verfasserin  |4 aut 
700 1 |a Laulainen, Joonatan E M  |e verfasserin  |4 aut 
700 1 |a Un, Hio-Leng  |e verfasserin  |4 aut 
700 1 |a Ren, Xinglong  |e verfasserin  |4 aut 
700 1 |a Xiao, Mingfei  |e verfasserin  |4 aut 
700 1 |a Freychet, Guillaume  |e verfasserin  |4 aut 
700 1 |a Vacek, Petr  |e verfasserin  |4 aut 
700 1 |a Tjhe, Dion  |e verfasserin  |4 aut 
700 1 |a He, Qiao  |e verfasserin  |4 aut 
700 1 |a Wood, William  |e verfasserin  |4 aut 
700 1 |a Wang, Zichen  |e verfasserin  |4 aut 
700 1 |a Zhang, Youcheng  |e verfasserin  |4 aut 
700 1 |a Qu, Zhengkang  |e verfasserin  |4 aut 
700 1 |a Asatryan, Jesika  |e verfasserin  |4 aut 
700 1 |a Martin, Jaime  |e verfasserin  |4 aut 
700 1 |a Heeney, Martin  |e verfasserin  |4 aut 
700 1 |a McNeill, Christopher R  |e verfasserin  |4 aut 
700 1 |a Midgley, Paul A  |e verfasserin  |4 aut 
700 1 |a Jacobs, Ian E  |e verfasserin  |4 aut 
700 1 |a Sirringhaus, Henning  |e verfasserin  |4 aut 
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773 1 8 |g volume:36  |g year:2024  |g number:28  |g day:25  |g month:07  |g pages:e2310480 
856 4 0 |u http://dx.doi.org/10.1002/adma.202310480  |3 Volltext 
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