4. Overview of the thesis
4.3 Individual contributions to joint publications
In the following, the individual contributions of the authors to the publications are specified.
Chapter 5
This work is published in Physica Status Solidi A, 2015, 212, 2162-2168, doi:
10.1002/pssa.201532040, with the title:
Organic solar cells with crosslinked exciton blocking layer
by Tobias Hahn, Christina Saller, Marlene Weigl, Irene Bauer, Thomas Unger, Anna Köhler, and Peter Strohriegl.
This publication is reprinted in Chapter 5 and deals with the realization of a first three-layer solar cell. I synthesized and characterized the applied donor polymer, interpreted the data together with the co-authors and wrote parts of the manuscript. Furthermore, I corrected the whole manuscript. Marlene Weigl synthesized the crosslinkable polymer. Irene Bauer assisted in the synthetic work. Tobias Hahn fabricated and measured the solar cells, did the data evaluation and interpreted the data together with the co-authors. He wrote large parts of the manuscript and corrected the manuscript. Thomas Unger performed the exciton lifetime measurements.
Anna Köhler and Peter Strohriegl supervised the project, were involved in the scientific discussion and finalized the manuscript.
Chapter 6
This work is published in The Journal of Physical Chemistry C 2016, 120, 25083-25091, doi:
10.1021/acs.jpcc.6b08471, with the title:
Role of intrinsic photogeneration in single layer and bilayer solar cells with C60 and PCBM by Tobias Hahn, Steffen Tscheuschner, Christina Saller, Peter Strohriegl, Puttaraju Boregowda, Tushita Mukhopadhyay, Satish Patil, Dieter Neher, Heinz Bässler, and Anna Köhler.
This publication is reprinted in Chapter 6 and evaluates the contribution of the acceptor to the photogeneration in organic solar cells. I designed and synthesized the applied donor polymer, did the characterization concerning the polymer properties and wrote the corresponding part of the manuscript. Furthermore, I corrected the whole manuscript. Tobias Hahn fabricated and measured the solar cells, did the data evaluation and interpreted the data together with the co-authors. He wrote parts of the manuscript and corrected the manuscript. Steffen Tscheuschner conducted the Onsager fit of the data and did the data interpretation together with the co-authors. He wrote parts of the manuscript and corrected the manuscript. Tobias Hahn and Steffen Tscheuschner contributed equally to this work. Puttaraju Boregowda and Tushita Mukhopadhyay synthesized and characterized the small donor molecule and were supervised
95 by Satish Patil. Peter Strohriegl, Dieter Neher, and Heinz Bässler were involved in the scientific discussion. Anna Köhler supervised the project, was involved in the scientific discussion and corrected the manuscript.
Chapter 7
This work is published in Advanced Functional Materials 2017, 12, 1604906, doi:
10.1002/adfm.201604906, with the title
Monomolecular and bimolecular recombination of electron–hole pairs at the interface of a bilayer organic solar cell
by Tobias Hahn, Steffen Tscheuschner, Frank-Julian Kahle, Markus Reichenberger, Stavros Athanasopoulos, Christina Saller, Guillermo C. Bazan, Thuc-Quyen Nguyen, Peter Strohriegl, Heinz Bässler, and Anna Köhler.
This publication is reprinted in Chapter 7 and focuses on the examination of the different recombination types in organic solar cells. I designed and synthesized the applied donor polymer, did the characterization concerning the polymer properties and wrote the corresponding part of the manuscript. Furthermore, I corrected the whole manuscript. Tobias Hahn fabricated and measured the solar cells, did the data evaluation and interpreted the data together with the co-authors. He wrote parts of the manuscript and corrected the manuscript.
Steffen Tscheuschner conducted the fit to the data. Frank-Julian Kahle performed the MIS-CELIV measurements of the materials and wrote the corresponding part of the paper. Markus Reichenberger provided data about the small donor molecule, was involved in the scientific discussion and corrected the manuscript. Stavros Athanasopoulos conducted the Monte Carlo simulations and wrote the corresponding parts of the manuscript. Guillermo C. Bazan and Thuc-Quyen Nguyen provided the small donor molecule and were involved in the scientific discussion together with Peter Strohriegl and Heinz Bässler. Anna Köhler supervised the project, was involved in the scientific discussion and corrected the manuscript.
Chapter 8
This work is accepted to be published in ACS Applied Materials & Interfaces 2018, doi:
10.1021/acsami.8b05520, with the title
Facile method for the investigation of temperature-dependant C60 diffusion in conjugated polymers
by Christina Saller, Frank-Julian Kahle, Thomas Müller, Tobias Hahn, Steffen Tscheuschner, Denys Priadko, Peter Strohriegl, Heinz Bässler, and Anna Köhler.
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This publication is reprinted in Chapter 8 and depicts diffusion studies of fullerene in low bandgap polymers and copolymers. I synthesized the low bandgap polymers, designed and synthesized the low bandgap copolymer and did the characterization concerning the polymer properties. I prepared and measured three-layer and bilayer samples for the comparison with a previously published method together with Steffen Tscheuschner and Frank-Julian Kahle.
Furthermore, I wrote parts of the manuscript. Frank-Julian Kahle prepared and measured three-layer and bithree-layer samples for the method comparison as well as bithree-layer samples of the low bandgap polymers. He did the data evaluation and interpreted the data together with the co-authors. Furthermore, he verified the theoretical model and wrote parts of the manuscript.
Frank-Julian Kahle and I contributed equally to this work. Thomas Müller prepared and measured the bilayer samples of the low bandgap polymers, did the data evaluation and interpreted the data together with the co-authors. The manuscript is based on his master thesis on this topic. Tobias Hahn was involved in the scientific discussion. Furthermore, he wrote parts of the manuscript. Steffen Tscheuschner prepared and measured three-layer and bilayer samples for the method comparison together with me. He did the data evaluation and interpreted the data together with the co-authors. Furthermore, he verified the theoretical model. Denys Priadko contributed experimental advice and was involved in the scientific discussion together with Heinz Bässler. Peter Strohriegl and Anna Köhler supervised the project and were involved in the scientific discussion.
Appendix A
The chapter presented in Appendix A comprises the experimental section for the optimized synthesis of the crosslinkable donor polymers PCDTBTOx and PCPDTBTOx. I synthesized and characterized both polymers and wrote the manuscript.
Appendix B
This work is published in Proceedings of SPIE 8830, Organic Photovoltaics XIV, 2013, 88300P, doi:
10.1117/12.2023899, with the title
Patternable conjugated polymers for organic solar cells
by Peter Strohriegl, Philipp Knauer, Christina Saller, and Esther Scheler.
This publication is reprinted in Appendix B and describes the synthesis and application of crosslinkable donor polymers. I designed and synthesized the crosslinkable carbazole-based low bandgap polymer, did the characterization concerning the polymer properties and wrote parts of the manuscript. Furthermore, I corrected the whole manuscript. Philipp Knauer synthesized and characterized the crosslinkable fluorene-based low bandgap polymer. He wrote parts of the manuscript and corrected the manuscript. Esther Scheler synthesized and characterized the
97 crosslinkable polyfluorenes. Peter Strohriegl supervised the project and finalized the manuscript.
Appendix C
This work is published in Proceedings of SPIE 9942, Organic Photovoltaics XVII, 2016, 99420O, doi: 10.1117/12.2239400, with the title
Crosslinkable low bandgap polymers for organic solar cells
by Peter Strohriegl, Christina Saller, Philipp Knauer, Anna Köhler, Tobias Hahn, Florian Fischer, and Frank-Julian Kahle.
This publication is reprinted in Appendix C and summarizes the work on crosslinkable fluorene-based low bandgap polymers. I contributed to the section about the realization of a three-layer solar cell as described for Chapter 5. Furthermore, I wrote large parts of the manuscript and corrected the manuscript. Philipp Knauer was involved in the parts about synthesis, crosslinking procedure and stabilization of bulk heterojunction solar cells. He wrote parts of the manuscript.
Tobias Hahn worked on the sections about the three-layer solar cells, C60 diffusion in polyfluorenes, and stabilization of bulk heterojunction solar cells. Florian Fischer contributed to the part about C60 diffusion in polyfluorenes. Frank-Julian Kahle did the charge carrier mobility studies. Anna Köhler was involved in the scientific discussion. Peter Strohriegl supervised the project, was involved in the scientific discussion and finalized the manuscript.
Appendix D
This work is published in Advanced Energy Materials 2017 7, 1700306, doi:
10.1002/aenm.201700306, with the title
Crosslinked semiconductor polymers for photovoltaic applications by Frank-Julian Kahle, Christina Saller, Anna Köhler, and Peter Strohriegl.
This publication is reprinted in Appendix D and reviews crosslinkable polymers for morphology stabilization in organic solar cells. I wrote parts of the manuscript and corrected the manuscript.
Frank-Julian Kahle wrote parts of the manuscript and corrected the manuscript. Frank-Julian Kahle and I contributed equally to this work. Anna Köhler and Peter Strohriegl supervised the project, were involved in the scientific discussion and corrected the manuscript.
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5. Organic solar cells with crosslinked polymeric exciton blocking layer
Tobias Hahn, Christina Saller, Marlene Weigl, Irene Bauer, Thomas Unger, Anna Köhler, and Peter Strohriegl
Published in Physica Status Solidi A doi: 10.1002/pssa.201532040
Reprinted with permission from Physica Status Solidi A, 2015, 212, 2162-2168 Copyright © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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