Structural study of functional polymers
Structural study of functional polymers
Dimitri Ivanov dimitri.ivanov@uha.fr
Biomimetic materials based on brush-like copolymers
In collaboration with colleagues from UNC Chapel Hill (USA), ESRF (Grenoble), and Moscow State University, we are investigating the structure formation processes in brush-like copolymers that exhibit biomimetic mechanical properties. By combining synchrotron X-ray scattering with in-situ stretching and calorimetric measurements, we aim to gain insights into the mechanical and phase behavior of these fascinating materials.
Publications
Enhancing the Biomimetic Mechanics of Bottlebrush Graft-Copolymers through Selective Solvent Annealing
Akmal Z. Umarov, Joseph Collins, Evgeniia A. Nikitina, Ioannis Moutsios, Martin Rosenthal, Andrey V. Dobrynin, Sergei S. Sheiko, and Dimitri A. Ivanov
Macromolecular Rapid Communications (2024) (published on line). DOI : 10.1002/marc.202400569
Forensics of Polymer Networks
Andrey V. Dobrynin, Yuan Tian, Michael Jacobs, Alina V. Maryasevskaya, Dimitri A. Ivanov, Mitchell Maw, Foad Vashahi, Sergei S. Sheiko
Nature Materials (2023) 22, 1394–1400. DOI : 10.1038/s41563-023-01663-5
Bottlebrush thermoplastic elastomers as hot-melt pressure sensitive adhesives
Maw, Mitchell ; Tanas, Alexander ; Dashtimoghadam, Erfan ; Nikitina, Evgeniia ; Ivanov, Dimitri ; Dobrynin, Andrey ; Vatankhah-Varnosfaderani, Mohammad ; Sheiko, Sergei
ACS Applied Materials & Interfaces (2023) 15, 35, 41870–41879. DOI : 10.1021/acsami.3c07821
Bottlebrush Elastomers with Crystallizable Side Chains : Monitoring Configuration of Polymer Backbones in the Amorphous Regions during Crystallization
Egor A. Bersenev, Evgeniia A. Nikitina, Sergei S. Sheiko, Dimitri A. Ivanov
ACS Macro Letters (2022) 11(9), 1085–1090. DOI : 10.1021/acsmacrolett.2c00394
Chameleon-like elastomers with molecularly encoded strain-adaptive stiffening and coloration
Mohammad Vatankhah-Varnosfaderani, Andrew N. Keith, Yidan Cong, Heyi Liang,Martin Rosenthal, Michael Sztucki, Charles Clair, Sergei Magonov, Dimitri A. Ivanov, Andrey V. Dobrynin, Sergei S. Sheiko
Science 359 (2018) 1509–1513. DOI : 10.1126/science.aar5308
Advanced Polymer Systems for Organic Photovoltaic Devices
Organic photovoltaic (OPV) devices offer several key advantages, including their lightweight and flexible nature, which allows for integration into a wide range of surfaces and applications. Additionally, they are cost-effective to produce due to the use of solution-based fabrication techniques and inexpensive raw materials. OPVs also have a lower environmental impact compared to traditional silicon-based solar cells, making them a promising option for sustainable energy solutions. In collaboration with colleagues from the University of Strasbourg, ICPEES laboratory and the Leibniz Institute for Polymer Research Dresden, our research focuses on unveiling the correlations between the structure and performance of the active layers in these materials.
Publications
Controlling conjugated polymer morphology by precise oxygen position in single-ether side chains
Pablo Durand, Huiyan Zeng, Badr Jismy, Olivier Boyron, Benoît Heinrich, Laurent Herrmann, Olivier Bardagot, Ioannis Moutsios, Alina V. Mariasevskaia, Alexey P. Melnikov, Dimitri A. Ivanov, Martin Brinkmann and Nicolas Leclerc
Materials Horizons (2024) 11, 4737-4746. DOI : 10.1039/D4MH00492B
Efficient 3D charge transport in bi-triazatruxene-based crystalline molecular semiconductors
Jiang Jing, Benoît Heinrich, Alexis Prel, Emilie Steveler, Tianyan Han, Ibrahim Bulut, Stéphane Méry, Yann Leroy, Nicolas Leclerc, Patrick Lévêque, Martin Rosenthal, Dimitri A. Ivanov, Thomas Heiser
Journal Materials Chemistry A (2021) 9, 24315-24324. DOI : 10.1039/D1TA06300F
Face-on orientation of fluorinated polymers conveyed by long alkyl chains : a prerequisite for high photovoltaic performances
Olzhas A. Ibraikulov, Benoît Heinrich, Nicolas Leclerc, Patricia Chavez, Ibrahim Bulut, Chheng Ngov, Olivier Boyron, Nicolas Brouckaert, Sufal Swaraj, Kirill L. Gerasimov, Dimitri. A. Ivanov, Stéphane Mery, Patrick Lévêque, and Thomas Heiser
Journal of Materials Chemistry A (2018) 6, 12038-12045. DOI : 10.1039/C8TA04127J
High Conductivity in Molecularly p-doped Diketopyrrolopyrrole–Based Polymer : the Impact of Record High Dopant Strength of CN6-CP and Good Structural Order
Yevhen Karpov, Tim Erdmann, Ivan Raguzin, Mahmoud Al-Hussein, Marcus Binner, Manfred Stamm, Kirill L. Gerasimov, Denis V. Anokhin, Dimitri A. Ivanov, Florian Günther, Sibylle Gemming, Gotthard Seifert, Brigitte Voit, and Anton Kiriy
Advanced Materials (2016) 28, 6003-6010. DOI : 10.1002/adma.201506295
The impact of molecular weight, air exposure and molecular doping on the charge transport properties and electronic defects in dithienyl-diketopyrrolopyrrole-thieno[3,2-b]thiophene copolymers
Di Pietro, Riccardo ; Erdmann, Tim ; Wang, Naixiang ; Lu, Xuhai ; Gräfe, David ; Lenz, Johannes ; Brandt, Josef ; Kasemann, Daniel ; Leo, Karl ; Al-Hussein, Mahmoud ; Gerasimov, Kirill L. ; Doblas, David ; Ivanov, Dmitry Anatolyevich ; Voit, Brigitte ; Neher, Dieter ; Kiriy, Anton
Journal of Materials Chemistry C (2016) 4, 10827-10838. DOI : 10.1039/C6TC03545K
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