Publications 2020


Cao, H.; Dong, Z.; Qiu, Y.; Li, J.; Wang, Y.; Li, Z.; Yang, L.; Yin, S.: Inverted-Structure Perovskite Solar Cells. ACS Applied Materials & Interfaces 12 (2020), p. 41303-41311
doi: 10.1021/acsami.0c10379


David, T.W.; Anizelli, H.; Jacobsson, T.J.; Gray, C.; Teahan, W.; Kettle, J.: Enhancing the stability of organic photovoltaics through machine learning. Nano Energy 78 (2020), p. 105342/1-10
doi: 10.1016/j.nanoen.2020.105342
Open Access (external provider)


Dobrovolsky, A.; Merdasa, A.; Li, J.; Hirselandt, K.; Unger, E.L.; Scheblykin, I.G.: Relating Defect Luminescence and Nonradiative Charge Recombination in MAPbI3 Perovskite Films. Journal of Physical Chemistry Letters 11 (2020), p. 1714–1720
doi: 10.1021/acs.jpclett.9b03878


Funk, H.; Shargaieva, O.; Eljarrat, A.; Unger, E.L.; Koch, C.T.; Abou-Ras, D.: In Situ TEM Monitoring of Phase-Segregation in Inorganic Mixed Halide Perovskite. Journal of Physical Chemistry Letters 11 (2020), p. 4945–4950
doi: 10.1021/acs.jpclett.0c01296


Hermerschmidt, F.; Mathies, F.; Schröder, V.R.F.; Rehermann, C.; Zorn Morales, N.; Unger, E.L.; List-Kratochvil, E.: Finally, inkjet-printed metal halide perovskite LEDs – utilizing seed crystal templating of salty PEDOT:PSS. Materials Horizons 7 (2020), p. 1773-1781
doi: 10.1039/D0MH00512F


Jacobsson, T. J.; Hultqvist, A.; Svanstrom, S.; Riekehr, L.; Cappel, U.B.; Unger, E.; Rensmo, H.; Johansson, E.M.J.; Edoff, M.; Boschloo, G.: 2-Terminal CIGS-perovskite tandem cells: A layer by layer exploration. Solar Energy 207 (2020), p. 270-288
doi: 10.1016/j.solener.2020.06.034


Kiligaridis, A.; Merdasa, A.; Rehermann, C.; Unger, E.L.; Scheblykin, I.G.: Excitation wavelength dependence of photoluminescence flickering in degraded MAPbI3 perovskite and its connection to lead iodide formation. Journal of Luminescence 222 (2020), p. 117129/1-6
doi: 10.1016/j.jlumin.2020.117129


Marçal, L.A.B.; Oksenberg, E.; Dzhigaev, D.; Hammarberg, S.; Rothman, A.; Björling, A.; Unger, E.; Mikkelsen, A.; Joselevich, E.; Wallentin, J.: In situ imaging of ferroelastic domain dynamics in CsPbBr3 perovskite nanowires by nanofocused scanning X-ray diffraction. ACS Nano 14 (2020), p. 15973-15982
doi: 10.1021/acsnano.0c07426


Mathies, F.; List-Kratochvil, E.; Unger, E.L.: Advances in inkjet-printed metal-halide perovskite photovoltaic and optoelectronic devices. Energy Technology 8 (2020), p. 1900991/1-19
doi: 10.1002/ente.201900991


Merdasa, A.; Tsarev, S.; Akbulatov, A.F.; Troshin, P.; Unger, E.L.: Microscopic insight into the reversibility of photodegradation in MAPbI3 thin films. Journal of Luminescence 219 (2020), p. 116916/1-7
doi: 10.1016/j.jlumin.2019.116916


Näsström, H.; Becker, P.; Márquez, J.A.; Shargaieva, O.; Mainz, R.; Unger, E.; Unold, T.: Dependence of phase transitions on halide ratio in inorganic CsPb(BrxI1-x)3 perovskite thin films obtained from high-throughput experimentation. Journal of Materials Chemistry A 8 (2020), p. 22626-22631
doi: 10.1039/D0TA08067E


Oksenberg, E.; Merdasa, A.; Houben, L.; Kaplan-Ashiri, I.; Rothman, A.; Scheblykin, I.G.; Unger, E. L.; Joselevich, E.: Large lattice distortions and size-dependent bandgap modulation in epitaxial halide perovskite nanowires. Nature Communications 11 (2020), p. 489/1-11
doi: 10.1038/s41467-020-14365-2
Open Access


Phung, N.; Al-Ashouri, A.; Meloni, S.; Mattoni, A.; Albrecht, S.; Unger, E.L.; Merdasa, A.; Abate, A.: The Role of Grain Boundaries on Ionic Defect Migration in Metal Halide Perovskites. Advanced Energy Materials 10 (2020), p. 1903735/1-10
doi: 10.1002/aenm.201903735


Prashanthan, K.; Naydenov, B.; Lips, K.; Unger, E.; MacQueen, R.W.: Interdependence of photon upconversion performance and antisolvent processing in thin-film halide perovskite-sensitized triplet-triplet annihilators. The Journal of Chemical Physics 153 (2020), p. 164711/1-9
doi: 10.1063/5.0026564
Open Access


Rappich, J.; Lang, F.; Brus, V.V.; Shargaieva, O.; Dittrich, T.; Nickel, N.H.: Light-induced defect generation in CH3NH3PbI3 thin films and single crystals. Solar RRL 4 (2020), p. 1900216/1-6
doi: 10.1002/solr.201900216


Rehermann, C.; Merdasa, A.; Suchan, K.; Schröder, V.; Mathies, F.; Unger, E.L.: Origin of Ionic Inhomogeneity in MAPb(IxBr1–x)3 Perovskite Thin Films Revealed by In-Situ Spectroscopy during Spin Coating and Annealing. ACS Applied Materials & Interfaces 12 (2020), p. 30343-30352
doi: 10.1021/acsami.0c05894


Schultz, C.; Fenske, M.; Dagar, J.; Zeiser, A.; Bartelt, A.; Schlatmann, R.; Unger, E.; Stegemann, B.: Ablation mechanisms of nanosecond and picosecond laser scribing for metal halide perovskite module interconnection – An experimental and numerical analysis. Solar Energy 198 (2020), p. 410-418
doi: 10.1016/j.solener.2020.01.074


Shargaieva, O.; Kuske, L.; Rappich, J.; Unger, E.; Nickel, N.H.: Building Blocks of Hybrid Perovskites: A Photoluminescence Study of Lead-Iodide Solution Species. ChemPhysChem 21 (2020), p. 2327-2333
doi: 10.1002/cphc.202000479


Shargaieva, O.; Näsström, H.; Smith, J.; Többens, D.; Munir, R.; Unger, E.: Hybrid perovskite crystallization from binary solvent mixtures: interplay of evaporation rate and binding strength of solvents. Materials Advances 1 (2020), p. 3314-3321
doi: 10.1039/D0MA00815J
Open Access


Stegemann, B.; Schultz, C.; Fenske, M.; Dagar, J.; Junghans, C.; Bartelt, A.; Schlatmann, R.; Unger, E.: Laser-induced control of the extent of PbI2 formation for improved interconnection of perovskite solar cells. In: Proceedings of 11th Solid State Surfaces and Interfaces 2020. Bratislava, 2020. - ISBN 978-80-223-5018-1, p. 82-85
https://lm.uniza.sk/~jurecka/SSSI-2020/?str=4
Open Access


Suchan, K.; Just, J.; Becker, P.; Unger, E.; Unold, T.: Optical in situ monitoring during the synthesis of halide perovskite solar cells reveals formation kinetics and evolution of optoelectronic properties. Journal of Materials Chemistry A 8 (2020), p. 10439-10449
doi: 10.1039/D0TA01237H


Suchan, K.; Merdasa, A.; Rehermann, C.; Unger, E.L.; Scheblykin, I.G.: Complex evolution of photoluminescence during phase segregation of MAPb(I1-xBrx)3 mixed halide perovskite. Journal of Luminescence 221 (2020), p. 117073/1-7
doi: 10.1016/j.jlumin.2020.117073


Unger, E.; Paramasivam, G.; Abate, A.: Perovskite solar cell performance assessment. JPhys Energy 2 (2020), p. 044002/1-8
doi: 10.1088/2515-7655/abaec8


Unger, E.L.; Czudek, A.; Kim, H.S.; Tress, W.: chapter 4: Current-voltage analysis: Lessons learned from hysteresis. In: Pazoki, Meysam .. [Ed.] : Characterization Techniques for Perovskite Solar Cell Materials. San Diego, Calif.: Elsevier, 2020. - ISBN 978-0-12-814727-6, p. 81-108


Wolff, C.M.; Canil, L.; Rehermann, C.; Ngoc Linh, N.; Zu, F.; Ralaiarisoa, M.; Caprioglio, P.; Fiedler, L.; Stolterfoht, M.; Kogikoski, S.; Bald, I.; Koch, N.; Unger, E.L.; Dittrich, T.; Abate, A.; Neher, D.: Perfluorinated Self-Assembled Monolayers Enhance the Stability and Efficiency of Inverted Perovskite Solar Cells. ACS Nano 14 (2020), p. 1445-1456
doi: 10.1021/acsnano.9b03268


Yang, W.; Mathies, F.; Unger, E.L.; Hermerschmidt, F.; List-Kratochvil, E.J.W.: One-pot synthesis of a stable and cost-effective silver particle-free ink for inkjet-printed flexible electronics. Journal of Materials Chemistry C 8 (2020), p. 16443-16451
doi: 10.1039/D0TC03864D