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Article

Thermal Transitions in P3HT:PC60BM Films Based on Electrical Resistance Measurements

Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Marie Curie-Skłodowska str., 41-819 Zabrze, Poland
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Polymers 2020, 12(7), 1458; https://doi.org/10.3390/polym12071458
Received: 21 May 2020 / Revised: 26 June 2020 / Accepted: 27 June 2020 / Published: 30 June 2020
(This article belongs to the Special Issue Forensic Engineering of Advanced Polymer Materials)
In this paper, we present research on thermal transition temperature determination in poly (3-hexylthiophene-2,5-diyl) (P3HT), [6,6]-phenyl-C61-butyric acid methyl ester (PC60BM), and their blends, which are materials that are conventionally used in organic optoelectronics. Here, for the first time the results of electrical resistance measurements are explored to detect thermal transitions temperatures, such as glass transition Tg and cold crystallization Tcc of the film. To confirm these results, the variable-temperature spectroscopic ellipsometry studies of the same samples were performed. The thermal transitions temperatures obtained with electrical measurements are well suited to phase diagram, constructed on the basis of ellipsometry in our previous work. The data presented here prove that electrical resistance measurements alone are sufficient for qualitative thermal analysis, which lead to the identification of characteristic temperatures in P3HT:PC60BM films. Based on the carried studies, it can be expected that the determination of thermal transition temperatures by means of electrical resistance measurements will also apply to other semi-conducting polymer films. View Full-Text
Keywords: electrical resistance; spectroscopic ellipsometry; polymer films; organic semiconductors; ellipsometric modeling electrical resistance; spectroscopic ellipsometry; polymer films; organic semiconductors; ellipsometric modeling
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MDPI and ACS Style

Hajduk, B.; Bednarski, H.; Domański, M.; Jarząbek, B.; Trzebicka, B. Thermal Transitions in P3HT:PC60BM Films Based on Electrical Resistance Measurements. Polymers 2020, 12, 1458. https://doi.org/10.3390/polym12071458

AMA Style

Hajduk B, Bednarski H, Domański M, Jarząbek B, Trzebicka B. Thermal Transitions in P3HT:PC60BM Films Based on Electrical Resistance Measurements. Polymers. 2020; 12(7):1458. https://doi.org/10.3390/polym12071458

Chicago/Turabian Style

Hajduk, Barbara, Henryk Bednarski, Marian Domański, Bożena Jarząbek, and Barbara Trzebicka. 2020. "Thermal Transitions in P3HT:PC60BM Films Based on Electrical Resistance Measurements" Polymers 12, no. 7: 1458. https://doi.org/10.3390/polym12071458

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