Preparation of oriented poly(lactic acid) thin films by a combination of high temperature rubbing and thermal annealing: Impact of annealing parameters on structure, polymorphism and morphology

Autor: Marion Brosset, Laurent Herrmann, Thierry Falher, Martin Brinkmann

Publikováno v: Journal of Polymer Science
Journal of Polymer Science, 2023, ⟨10.1002/pol.20220740⟩

International audience; High temperature rubbing is a fast and low-cost method to prepare highly oriented films of polymers. This contribution describes the fabrication of smooth and pin-hole-free poly(lactic acid) (PLA) thin films of controlled stru

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1c1e5ec4aa67edb81e4755ff772ec35
Wiley Online Library

Optimizing chain alignment and preserving the pristine structure of single-ether based PBTTT helps improve thermoelectric properties in sequentially doped thin films

Autor: Huiyan Zeng, Pablo Durand, Shubhradip Guchait, Laurent Herrmann, Céline Kiefer, Nicolas Leclerc, Martin Brinkmann

Publikováno v: Journal of Materials Chemistry C
Journal of Materials Chemistry C, 2022, ⟨10.1039/D2TC03600B⟩

Optimal polymer film orientation by high-temperature rubbing and doping with F6TCNNQ leads to charge conductivities of 2–5 × 104 S cm−1 and thermoelectric power factors >2.0 mW m−1 K−2 for a new PBTTT with a single ether function in the side

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::05c3466305aa27e2f6c904629cef1d56
https://hal.science/hal-03795371

Preferential Location of Dopants in the Amorphous Phase of Oriented Regioregular Poly(3‐hexylthiophene‐2,5‐diyl) Films Helps Reach Charge Conductivities of 3000 S cm −1

Autor: Yuhan Zhong, Viktoriia Untilova, Dominique Muller, Shubhradip Guchait, Céline Kiefer, Laurent Herrmann, Nicolas Zimmermann, Marion Brosset, Thomas Heiser, Martin Brinkmann

Publikováno v: Advanced Functional Materials
Advanced Functional Materials, 2022, 32 (30), pp.2202075. ⟨10.1002/adfm.202202075⟩

International audience; Doping polymer semiconductors is a central topic in plastic electronics and especially in the design of novel thermoelectric (TE) materials. In this contribution, it has been demonstrated that doping of oriented semicrystallin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f4c39847219a13ac2697eb5aa8640a9
https://doi.org/10.1002/adfm.202202075

Single Ether‐Based Side Chains in Conjugated Polymers: Toward Power Factors of 2.9 mW m −1 K −2

Autor: Viktoriia Untilova, Laurent Herrmann, Nicolas Leclerc, Till Biskup, Martin Brinkmann, Vishnu Vijayakumar, Pablo Durand, Benoît Heinrich, Céline Kiefer, Huiyan Zeng

Publikováno v: Advanced Energy Materials. 12:2103049

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bdb016d76dd6f8c249033744c2854fba
https://doi.org/10.1002/aenm.202103049

Effect of Alkyl Side Chain Length on Doping Kinetics, Thermopower, and Charge Transport Properties in Highly Oriented F 4 TCNQ-Doped PBTTT Films

Autor: Huiyan Zeng, Vishnu Vijayakumar, Alain Carvalho, Martin Brinkmann, Laure Biniek, Laurent Herrmann, Nicolas Leclerc, Olivier Boyron, Elena Zaborova

Publikováno v: ACS Applied Materials & Interfaces
ACS Applied Materials & Interfaces, 2019, 11 (5), pp.4942-4953. ⟨10.1021/acsami.8b17594⟩
ACS Applied Materials & Interfaces, Washington, D.C. : American Chemical Society, 2019, 11 (5), pp.4942-4953. ⟨10.1021/acsami.8b17594⟩

International audience; Doping of polymer semiconductors such as poly(2,5-bis(3-alkylthiophen-2-yl)thieno[3,2-b]thiophene) (PBTTT) with acceptor molecules such as 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane (F4TCNQ) is widely used to tune th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80ca9899ee2a1f82dba43d3dc140d47c
https://hal.science/hal-02194242/document