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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202208215
|2 doi
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|a pubmed24n1160.xml
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|a (DE-627)NLM348199287
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|a (NLM)36305596
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|a DE-627
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|c DE-627
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|a eng
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|a Wang, Dongyang
|e verfasserin
|4 aut
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|a Triggering ZT to 0.40 by Engineering Orientation in One Polymeric Semiconductor
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 13.01.2023
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|a Date Revised 13.01.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Breaking the thermoelectric (TE) trade-off relationship is an important task for maximizing the TE performance of polymeric semiconductors. Existing efforts have focused on designing high-mobility semiconductors and achieving ordered molecular doping, ignoring the critical role of the molecular orientation during TE conversion. Herein, the achievement of ZT to 0.40 is reported by fine-tuning the molecular orientation of one diketopyrrolopyrrole (DPP)-based polymer (DPP-BTz). Films with bimodal molecular orientation yield superior doping efficiency by increasing the lamellar spacing and achieve increased splitting between the Fermi energy and the transport energy to enhance the thermopower. These factors contribute to the simultaneous improvement in the Seebeck coefficient and electrical conductivity in an unexpected manner. Importantly, the bimodal film exhibits a maximum power factor of up to 346 µW m-1 K-2 , >400% higher than that of unimodal films. These results demonstrate the great potential of molecular orientation engineering in polymeric semiconductors for developing state-of-the-art organic TE (OTE) materials
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|a Journal Article
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|a molecular orientation
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|a organic thermoelectric materials
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|a polymer semiconductors
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|a Ding, Jiamin
|e verfasserin
|4 aut
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|a Dai, Xiaojuan
|e verfasserin
|4 aut
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|a Xiang, Lanyi
|e verfasserin
|4 aut
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|a Ye, Dekai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a He, Zihan
|e verfasserin
|4 aut
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|a Zhang, Fengjiao
|e verfasserin
|4 aut
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|a Jung, Seok-Heon
|e verfasserin
|4 aut
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|a Lee, Jin-Kyun
|e verfasserin
|4 aut
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|a Di, Chong-An
|e verfasserin
|4 aut
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| 700 |
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|a Zhu, Daoben
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 2 vom: 31. Jan., Seite e2208215
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:2
|g day:31
|g month:01
|g pages:e2208215
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|u http://dx.doi.org/10.1002/adma.202208215
|3 Volltext
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