Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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Naji, M.
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Gann, Eliot

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (22/22 displayed)

  • 2022Reassessing the Significance of Reduced Aggregation and Crystallinity of Naphthalene Diimide-Based Copolymer Acceptors in All-Polymer Solar Cells5citations
  • 2019Residual solvent additive enables the nanostructuring of PTB7-Th:PC71BM solar cells via soft lithography6citations
  • 2018Tuning the Molecular Weight of the Electron Accepting Polymer in All-Polymer Solar Cells69citations
  • 2018Nature and Extent of Solution Aggregation Determines the Performance of P(NDI2OD-T2) Thin-Film Transistors75citations
  • 2018Impact of Acceptor Fluorination on the Performance of All-Polymer Solar Cells31citations
  • 2018Thionation of naphthalene diimide molecules16citations
  • 2018Blade Coating Aligned, High-Performance, Semiconducting-Polymer Transistors67citations
  • 2018Design of New Isoindigo-Based Copolymer for Ambipolar Organic Field-Effect Transistors24citations
  • 2017Understanding charge transport in lead iodide perovskite thin-film field-effect transistors398citations
  • 2017Influence of fluorination on the microstructure and performance of diketopyrrolopyrrole‐based polymer solar cells8citations
  • 2017Unconventional Molecular Weight Dependence of Charge Transport in the High Mobility n-type Semiconducting Polymer P(NDI2OD-T2)69citations
  • 2017Critical Role of Pendant Group Substitution on the Performance of Efficient All-Polymer Solar Cells41citations
  • 2017Influence of fluorination on the microstructure and performance of diketopyrrolopyrrole-based polymer solar cells8citations
  • 2017Influence of Fullerene Acceptor on the Performance, Microstructure, and Photophysics of Low Bandgap Polymer Solar Cells39citations
  • 2017Isolating and quantifying the impact of domain purity on the performance of bulk heterojunction solar cells36citations
  • 2016Metal Evaporation-Induced Degradation of Fullerene Acceptors in Polymer/Fullerene Solar Cells15citations
  • 2016Impact of Fullerene Mixing Behavior on the Microstructure, Photophysics, and Device Performance of Polymer/Fullerene Solar Cells24citations
  • 2016Coulomb Enhanced Charge Transport in Semicrystalline Polymer Semiconductors26citations
  • 2016Vinylene-Linked Oligothiophene-Difluorobenzothiadiazole Copolymer for Transistor Applications18citations
  • 2016EDOT-diketopyrrolopyrrole copolymers for polymer solar cells22citations
  • 2016Azido-Functionalized Thiophene as a Versatile Building Block to Cross-Link Low-Bandgap Polymers30citations
  • 2015Increased exciton dipole moment translates into charge-transfer excitons in thiophene-fluorinated low-bandgap polymers for organic photovoltaic applications51citations

Places of action

Chart of shared publication
Jevric, Martyn
1 / 4 shared
Vu, Doan
1 / 1 shared
Wang, Chao
5 / 14 shared
Thomsen, Lars
13 / 20 shared
Mcneill, Christopher R.
3 / 15 shared
Mcneill, Chris
1 / 3 shared
Prasad, Shyamal K. K.
6 / 6 shared
Hodgkiss, Justin M.
6 / 8 shared
Matsidik, Rukiya
3 / 3 shared
Sommer, Michael
3 / 20 shared
Deshmukh, Kedar D.
3 / 3 shared
Liu, Amelia C. Y.
6 / 10 shared
Nahid, Masrur M.
1 / 1 shared
Sharma, Kamendra P.
1 / 1 shared
Welford, Adam
4 / 5 shared
Kabra, Dinesh
5 / 8 shared
Connal, Luke A.
1 / 1 shared
Maniam, Subashani
1 / 1 shared
Langford, Steven J.
1 / 1 shared
Engmann, Sebastian
1 / 4 shared
Ro, Hyun Wook
1 / 1 shared
Richter, Lee J.
1 / 5 shared
Fischer, Daniel A.
1 / 2 shared
Zhang, Xinran
1 / 4 shared
Delongchamp, Dean M.
1 / 1 shared
Wu, Dawei
1 / 1 shared
Kaplan, Maria
1 / 1 shared
Noh, Yong-Young
1 / 3 shared
Kim, Yun-Hi
1 / 1 shared
Kwon, Soon-Ki
1 / 1 shared
Lee, Yun-Ji
1 / 1 shared
Shin, Eun-Sol
1 / 1 shared
Ha, Yeon Hee
1 / 1 shared
Yang, Bingyan
1 / 1 shared
Guha, Suchi
1 / 1 shared
Goedel, Karl
1 / 1 shared
Giesbrecht, Nadja
1 / 8 shared
Nair, Bhaskaran
1 / 2 shared
Mcneill, Cr
1 / 7 shared
Moya, Xavier
1 / 3 shared
Thomas, Tudor H.
1 / 3 shared
Friend, Richard, H.
1 / 549 shared
Sadhanala, Aditya
2 / 29 shared
Sirringhaus, Henning
2 / 48 shared
Senanayak, Satyaprasad P.
1 / 11 shared
Docampo, Pablo
1 / 18 shared
Senanayak, Sp
1 / 9 shared
Huang, Wenchao
5 / 8 shared
Friend, Richard H.
1 / 48 shared
Thelakkat, Mukundan
4 / 14 shared
Müller, Christian J.
1 / 3 shared
Nahid, Masrur Morshed
1 / 1 shared
Cheng, Yi-Bing
4 / 15 shared
Yang, Yang
1 / 26 shared
Chang, Sheng Yung
1 / 1 shared
Tadich, Anton
1 / 8 shared
Carpenter, Joshua
1 / 1 shared
Kölln, Lisa Sophie
1 / 1 shared
Neher, Dieter
1 / 64 shared
Nasrallah, Iyad
1 / 6 shared
Pietro, Riccardo Di
1 / 4 shared
Ohara, Kathryn
1 / 1 shared
Facchetti, Antonio
1 / 9 shared
Venkateshvaran, Deepak
1 / 7 shared
Chabinyc, Michael
1 / 1 shared
Ade, Harald
1 / 11 shared
Green, Joshua P.
1 / 2 shared
Anthopoulos, Thomas D.
1 / 33 shared
Casey, Abby
1 / 1 shared
Han, Yang
1 / 3 shared
Heeney, Martin
2 / 14 shared
Mueller, Christian J.
2 / 2 shared
Klein, Tobias
1 / 1 shared
Boufflet, Pierre
1 / 2 shared
Collado-Fregoso, Elisa
1 / 2 shared
Ashraf, Raja Shahid
1 / 2 shared
Durrant, James R.
1 / 10 shared
Fei, Zhuping
1 / 5 shared
Li, Zhe
1 / 5 shared
Chart of publication period
2022
2019
2018
2017
2016
2015

Co-Authors (by relevance)

  • Jevric, Martyn
  • Vu, Doan
  • Wang, Chao
  • Thomsen, Lars
  • Mcneill, Christopher R.
  • Mcneill, Chris
  • Prasad, Shyamal K. K.
  • Hodgkiss, Justin M.
  • Matsidik, Rukiya
  • Sommer, Michael
  • Deshmukh, Kedar D.
  • Liu, Amelia C. Y.
  • Nahid, Masrur M.
  • Sharma, Kamendra P.
  • Welford, Adam
  • Kabra, Dinesh
  • Connal, Luke A.
  • Maniam, Subashani
  • Langford, Steven J.
  • Engmann, Sebastian
  • Ro, Hyun Wook
  • Richter, Lee J.
  • Fischer, Daniel A.
  • Zhang, Xinran
  • Delongchamp, Dean M.
  • Wu, Dawei
  • Kaplan, Maria
  • Noh, Yong-Young
  • Kim, Yun-Hi
  • Kwon, Soon-Ki
  • Lee, Yun-Ji
  • Shin, Eun-Sol
  • Ha, Yeon Hee
  • Yang, Bingyan
  • Guha, Suchi
  • Goedel, Karl
  • Giesbrecht, Nadja
  • Nair, Bhaskaran
  • Mcneill, Cr
  • Moya, Xavier
  • Thomas, Tudor H.
  • Friend, Richard, H.
  • Sadhanala, Aditya
  • Sirringhaus, Henning
  • Senanayak, Satyaprasad P.
  • Docampo, Pablo
  • Senanayak, Sp
  • Huang, Wenchao
  • Friend, Richard H.
  • Thelakkat, Mukundan
  • Müller, Christian J.
  • Nahid, Masrur Morshed
  • Cheng, Yi-Bing
  • Yang, Yang
  • Chang, Sheng Yung
  • Tadich, Anton
  • Carpenter, Joshua
  • Kölln, Lisa Sophie
  • Neher, Dieter
  • Nasrallah, Iyad
  • Pietro, Riccardo Di
  • Ohara, Kathryn
  • Facchetti, Antonio
  • Venkateshvaran, Deepak
  • Chabinyc, Michael
  • Ade, Harald
  • Green, Joshua P.
  • Anthopoulos, Thomas D.
  • Casey, Abby
  • Han, Yang
  • Heeney, Martin
  • Mueller, Christian J.
  • Klein, Tobias
  • Boufflet, Pierre
  • Collado-Fregoso, Elisa
  • Ashraf, Raja Shahid
  • Durrant, James R.
  • Fei, Zhuping
  • Li, Zhe
OrganizationsLocationPeople

article

Influence of Fullerene Acceptor on the Performance, Microstructure, and Photophysics of Low Bandgap Polymer Solar Cells

  • Cheng, Yi-Bing
  • Gann, Eliot
  • Prasad, Shyamal K. K.
  • Hodgkiss, Justin M.
  • Yang, Yang
  • Huang, Wenchao
  • Kabra, Dinesh
  • Thomsen, Lars
  • Chang, Sheng Yung
Abstract

<p>The morphology, photophysics, and device performance of solar cells based on the low bandgap polymer poly[[2,6'-4,8-di(5-ethylhexylthienyl)benzo[1,2-b;3,3-b]dithiophene]3-fluoro-2[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl (PBDTTT-EFT) (also known as PTB7-Th) blended with different fullerene acceptors: Phenyl-C<sub>61</sub>-butyric acid methyl ester (PC<sub>61</sub>BM), phenyl-C<sub>71</sub> -butyric acid methyl ester (PC<sub>71</sub>BM), or indene-C<sub>60</sub> bisadduct (ICBA) are correlated. Compared to PC<sub>71</sub> BM-based cells - which achieve a power conversion efficiency (PCE) of 9.4% - cells using ICBA achieve a higher open-circuit voltage (V<sub>OC</sub>) of 1.0 V albeit with a lower PCE of 7.1%. To understand the origin of this lower PCE, the morphology and photophysics have been thoroughly characterized. Hard and soft X-ray scattering measurements reveal that the PBDTTT-EFT:ICBA blend has a lower crystallinity, lower domain purity, and smaller domain size compared to the PBDTTT-EFT:PC<sub>71</sub>BM blend. Incomplete photoluminescence quenching is also found in the ICBA blend with transient absorption measurements showing faster recombination dynamics at short timescales. Transient photovoltage measurements highlight further differences in recombination at longer timeframes due to the more intermixed morphology of the ICBA blend. Interestingly, a mild thermal treatment improves the performance of PBDTTT-EFT:ICBA cells which is exploited in the fabrication of a homo PBDTTT-EFT:ICBA tandem solar cell with PCE of 9.0% and V<sub>OC</sub> of 1.93 V.</p>

Topics
  • impedance spectroscopy
  • morphology
  • photoluminescence
  • polymer
  • ester
  • crystallinity
  • X-ray scattering
  • power conversion efficiency
  • quenching