Boosting the Thermoelectric Performance of the Doped DPP-EDOT Conjugated Polymer by Incorporating an Ionic Additive
© 2023 Wiley-VCH GmbH..
The thermoelectric (TE) performance of organic materials is limited by the coupling of Seebeck coefficient and electrical conductivity. Herein a new strategy is reported to boost the Seebeck coefficient of conjugated polymer without significantly reducing the electrical conductivity by incorporation of an ionic additive DPPNMe3 Br. The doped polymer PDPP-EDOT thin film exhibits high electrical conductivity up to 1377 ± 109 S cm-1 but low Seebeck coefficient below 30 µV K-1 and a maximum power factor of 59 ± 10 µW m-1 K-2 . Interestingly, incorporation of small amount (at a molar ratio of 1:30) of DPPNMe3 Br into PDPP-EDOT results in the significant enhancement of Seebeck coefficient along with the slight decrease of electrical conductivity after doping. Consequently, the power factor (PF) is boosted to 571 ± 38 µW m-1 K-2 and ZT reaches 0.28 ± 0.02 at 130 °C, which is among the highest for the reported organic TE materials. Based on the theoretical calculation, it is assumed that the enhancement of TE performance for the doped PDPP-EDOT by DPPNMe3 Br is mainly attributed to the increase of energetic disorder for PDPP-EDOT.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:19 |
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| Enthalten in: |
Small (Weinheim an der Bergstrasse, Germany) - 19(2023), 29 vom: 21. Juli, Seite e2300231 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Song, Yilin [VerfasserIn] |
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| Links: |
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| Themen: |
3,4-ethlenedioxythiophene |
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| Anmerkungen: |
Date Revised 19.07.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/smll.202300231 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM355313375 |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2023 Wiley-VCH GmbH. | ||
| 520 | |a The thermoelectric (TE) performance of organic materials is limited by the coupling of Seebeck coefficient and electrical conductivity. Herein a new strategy is reported to boost the Seebeck coefficient of conjugated polymer without significantly reducing the electrical conductivity by incorporation of an ionic additive DPPNMe3 Br. The doped polymer PDPP-EDOT thin film exhibits high electrical conductivity up to 1377 ± 109 S cm-1 but low Seebeck coefficient below 30 µV K-1 and a maximum power factor of 59 ± 10 µW m-1 K-2 . Interestingly, incorporation of small amount (at a molar ratio of 1:30) of DPPNMe3 Br into PDPP-EDOT results in the significant enhancement of Seebeck coefficient along with the slight decrease of electrical conductivity after doping. Consequently, the power factor (PF) is boosted to 571 ± 38 µW m-1 K-2 and ZT reaches 0.28 ± 0.02 at 130 °C, which is among the highest for the reported organic TE materials. Based on the theoretical calculation, it is assumed that the enhancement of TE performance for the doped PDPP-EDOT by DPPNMe3 Br is mainly attributed to the increase of energetic disorder for PDPP-EDOT | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a 3,4-ethlenedioxythiophene | |
| 650 | 4 | |a diketopyrrolopyrrole | |
| 650 | 4 | |a ionic additive | |
| 650 | 4 | |a organic thermoelectric materials | |
| 650 | 4 | |a polymer semiconductors | |
| 700 | 1 | |a Dai, Xiaojuan |e verfasserin |4 aut | |
| 700 | 1 | |a Zou, Ye |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Cheng |e verfasserin |4 aut | |
| 700 | 1 | |a Di, Chong-An |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Deqing |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Daoben |e verfasserin |4 aut | |
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