Evaporated Self‐Assembled Monolayer Hole Transport Layers: Lossless Interfaces in p‐i‐n Perovskite Solar Cells
Farag, A.; Feeney, T.; Hossain, I. M.; Schackmar, F.; Fassl, P.; Küster, K.; Bäuerle, R.; Ruiz-Preciado, M. A.; Hentschel, M.; Ritzer, D. B.; Diercks, A.; Li, Y.; Nejand, B. A.; Laufer, F.; Singh, R.; Starke, U.; Paetzold, U. W.
2023. Advanced Energy Materials, 13 (8), Art.-Nr.: 2203982. doi:10.1002/aenm.202203982

Four-terminal Perovskite/CIGS Tandem Solar Cells: Unveiling the Path to >27% in Power Conversion Efficiency
Hossain, I. M.; Feeney, T.; Gharibzadeh, S.; Gota, F.; Singh, R.; Fassl, P.; Mertens, A.; Farag, A.; Becker, J.-P.; Paetel, S.; Ahlswede, E.; Paetzold, U. W.
2022. Solar RRL, 6 (12), Art.Nr. 2200662. doi:10.1002/solr.202200662

A Self‐Assembly Method for Tunable and Scalable Nano‐Stamps: A Versatile Approach for Imprinting Nanostructures
Donie, Y. J.; Yuan, Y.; Allegro, I.; Schackmar, F.; Hossain, I. M.; Huber, R.; Roger, J.; Paetzold, U. W.; Gomard, G.; Lemmer, U.
2022. Advanced materials technologies, 7 (6), Art.Nr.: 2101008. doi:10.1002/admt.202101008

Monolithic Two-Terminal Perovskite/CIS Tandem Solar Cells with Efficiency Approaching 25%
Ruiz-Preciado, M. A.; Gota, F.; Fassl, P.; Hossain, I. M.; Singh, R.; Laufer, F.; Schackmar, F.; Feeney, T.; Farag, A.; Allegro, I.; Hu, H.; Gharibzadeh, S.; Nejand, B. A.; Gevaerts, V. S.; Simor, M.; Bolt, P. J.; Paetzold, U. W.
2022. ACS Energy Letters, 7 (7), 2273–2281. doi:10.1021/acsenergylett.2c00707

Sn-Pb Mixed Perovskites with Fullerene-Derivative Interlayers for Efficient Four-Terminal All-Perovskite Tandem Solar Cells
Hu, H.; Moghadamzadeh, S.; Azmi, R.; Li, Y.; Kaiser, M.; Fischer, J. C.; Jin, Q.; Maibach, J.; Hossain, I. M.; Paetzold, U. W.; Abdollahi Nejand, B.
2022. Advanced Functional Materials, 32 (12), Art.-Nr.: 2107650. doi:10.1002/adfm.202107650

Two birds with one stone: dual grain-boundary and interface passivation enables >22% efficient inverted methylammonium-free perovskite solar cells
Gharibzadeh, S.; Fassl, P.; Hossain, I. M.; Rohrbeck, P.; Frericks, M.; Schmidt, M.; Duong, T.; Khan, M. R.; Abzieher, T.; Nejand, B. A.; Schackmar, F.; Almora, O.; Feeney, T.; Singh, R.; Fuchs, D.; Lemmer, U.; Hofmann, J. P.; Weber, S. A. L.; Paetzold, U. W.
2021. Energy & environmental science, 14 (11), 5875–5893. doi:10.1039/D1EE01508G

In${}_2$O${}_3$:H-Based Hole-Transport-Layer-Free Tin/Lead Perovskite Solar Cells for Efficient Four-Terminal All-Perovskite Tandem Solar Cells
Moghadamzadeh, S.; Hossain, I. M.; Loy, M.; Ritzer, D. B.; Hu, H.; Hauschild, D.; Mertens, A.; Becker, J.-P.; Haghighirad, A. A.; Ahlswede, E.; Weinhardt, L.; Lemmer, U.; Nejand, B. A.; Paetzold, U. W.
2021. ACS applied materials & interfaces, 13 (39), 46488–46498. doi:10.1021/acsami.1c06457

From Groundwork to Efficient Solar Cells: On the Importance of the Substrate Material in Co‐Evaporated Perovskite Solar Cells
Abzieher, T.; Feeney, T.; Schackmar, F.; Donie, Y. J.; Hossain, I. M.; Schwenzer, J. A.; Hellmann, T.; Mayer, T.; Powalla, M.; Paetzold, U. W.
2021. Advanced functional materials, 31 (42), Art.-Nr.: 2104482. doi:10.1002/adfm.202104482

Semitransparent perovskite solar cells for perovskite-based tandem photovoltaics. Dissertation
Hossain, I. M.
2021, März 18. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000130563

Optimization of SnO${}_2$ electron transport layer for efficient planar perovskite solar cells with very low hysteresis†
Eliwi, A. A.; Malekshahi Byranvand, M.; Fassl, P.; Khan, M. R.; Hossain, I. M.; Frericks, M.; Ternes, S.; Abzieher, T.; Schwenzer, J. A.; Mayer, T.; Hofmann, J. P.; Richards, B. S.; Lemmer, U.; Saliba, M.; Paetzold, U. W.
2021. Materials advances, 3 (1), 456–466. doi:10.1039/d1ma00585e

Harvesting Sub-bandgap Photons via Upconversion for Perovskite Solar Cells
Singh, R.; Madirov, E.; Busko, D.; Hossain, I. M.; Konyushkin, V. A.; Nakladov, A. N.; Kuznetsov, S. V.; Farooq, A.; Gharibzadeh, S.; Paetzold, U. W.; Richards, B. S.; Turshatov, A.
2021. ACS applied materials & interfaces, 13 (46), 54874–54883. doi:10.1021/acsami.1c13477

Phase-Separated Nanophotonic Structures by Inkjet Printing
Donie, Y. J.; Schlisske, S.; Siddique, R. H.; Mertens, A.; Narasimhan, V.; Schackmar, F.; Pietsch, M.; Hossain, I. M.; Hernandez-Sosa, G.; Lemmer, U.; Gomard, G.
2021. ACS nano, 15 (4), 7305–7317. doi:10.1021/acsnano.1c00552

Thermal Stability and Cation Composition of Hybrid Organic–Inorganic Perovskites
Schwenzer, J. A.; Hellmann, T.; Nejand, B. A.; Hu, H.; Abzieher, T.; Schackmar, F.; Hossain, I. M.; Fassl, P.; Mayer, T.; Jaegermann, W.; Lemmer, U.; Paetzold, U. W.
2021. ACS applied materials & interfaces, 13 (13), 15292–15304. doi:10.1021/acsami.1c01547

Planarized and Compact Light Scattering Layers Based on Disordered Titania Nanopillars for Light Extraction in Organic Light Emitting Diodes
Donie, Y. J.; Theobald, D.; Moghadamzadeh, S.; Mertens, A.; Hossain, I. M.; Paetzold, U. W.; Lemmer, U.; Gomard, G.
2020. Advanced optical materials, 9 (14), Art.-Nr.: 2001610. doi:10.1002/adom.202001610

2D/3D Heterostructure for Semitransparent Perovskite Solar Cells with Engineered Bandgap Enables Efficiencies Exceeding 25% in Four‐Terminal Tandems with Silicon and CIGS
Gharibzadeh, S.; Hossain, I. M.; Fassl, P.; Nejand, B. A.; Abzieher, T.; Schultes, M.; Ahlswede, E.; Jackson, P.; Powalla, M.; Schäfer, S.; Rienäcker, M.; Wietler, T.; Peibst, R.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.
2020. Advanced functional materials, 30 (19), Art. Nr.: 1909919. doi:10.1002/adfm.201909919

Nanostructured front electrodes for perovskite/c-Si tandem photovoltaics
Hossain, I. M.; Donie, Y. J.; Schmager, R.; Abdelkhalik, M. S.; Rienäcker, M.; Wietler, T. F.; Peibst, R.; Karabanov, A.; Schwenzer, J. A.; Moghadamzadeh, S.; Lemmer, U.; Richards, B. S.; Gomard, G.; Paetzold, U. W.
2020. Optics express, 28 (6), 8878–8897. doi:10.1364/OE.382253

2D Surface Passivation in Semi-transparent Perovskite Top Solar Cells with Engineered Bandgap for Tandem Photovoltaics
Gharibzadeh, S.; Hossain, I. M.; Fassl, P.; Mertens, A.; Schafer, S.; Rienacker, M.; Wietler, T.; Peibst, R.; Richards, B. S.; Paetzold, U. W.
2020. 2020 47th IEEE Photovoltaic Specialists Conference (PVSC), 15 June - 21 August 2020, online, 1344–1345, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/PVSC45281.2020.9300952

Triple-cation low-bandgap perovskite thin-films for high-efficiency four-terminal all-perovskite tandem solar cells
Moghadamzadeh, S.; Hossain, I. M.; Duong, T.; Gharibzadeh, S.; Abzieher, T.; Pham, H.; Hu, H.; Fassl, P.; Lemmer, U.; Nejand, B. A.; Paetzold, U. W.
2020. Journal of materials chemistry / A, 8 (46), 24608–24619. doi:10.1039/D0TA07005J

Chemical vapor deposited polymer layer for efficient passivation of planar perovskite solar cells
Malekshahi Byranvand, M.; Behboodi-Sadabad, F.; Alrhman Eliwi, A.; Trouillet, V.; Welle, A.; Ternes, S.; Hossain, I. M.; Khan, M. R.; Schwenzer, J. A.; Farooq, A.; Richards, B. S.; Lahann, J.; Paetzold, U. W.
2020. Journal of materials chemistry / A, 8 (38), 20122–20132. doi:10.1039/d0ta06646j

Toward Stable Perovskite Solar Cell Architectures: Robustness against Temperature Variations of Real-World Conditions
Schwenzer, J. A.; Rakocevic, L.; Abzieher, T.; Rueda-Delgado, D.; Moghadamzadeh, S.; Gharibzadeh, S.; Hossain, I. M.; Gehlhaar, R.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2020. IEEE journal of photovoltaics, 10 (3), 777–784. doi:10.1109/JPHOTOV.2020.2969785

High Efficiency Perovskite‐Silicon Tandem Solar Cells: Effect of Surface Coating versus Bulk Incorporation of 2D Perovskite
Duong, T.; Pham, H.; Kho, T. C.; Phang, P.; Fong, K. C.; Yan, D.; Yin, Y.; Peng, J.; Mahmud, M. A.; Gharibzadeh, S.; Nejand, B. A.; Hossain, I. M.; Khan, M. R.; Mozaffari, N.; Wu, Y.; Shen, H.; Zheng, J.; Mai, H.; Liang, W.; Samundsett, C.; Stocks, M.; McIntosh, K.; Andersson, G. G.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.; Ho-Ballie, A.; Liu, Y.; Macdonald, D.; Blakers, A.; Wong-Leung, J.; White, T.; Weber, K.; Catchpole, K.
2020. Advanced energy materials, 10 (9), Art. Nr.: 1903553. doi:10.1002/aenm.201903553

Solution-processed and evaporated C${}_{60}$ interlayers for improved charge transport in perovskite photovoltaics
Rueda-Delgado, D.; Hossain, I. M.; Jakoby, M.; Schwenzer, J. A.; Abzieher, T.; Howard, I. A.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2020. Organic electronics, 77, Article: 105526. doi:10.1016/j.orgel.2019.105526

Vacuum‐Assisted Growth of Low‐Bandgap Thin Films (FA${}_{0.8}$MA${}_{0.2}$Sn${}_{0.5}$Pb${}_{0.5}$I${}_3$) for All‐Perovskite Tandem Solar Cells
Abdollahi Nejand, B.; Hossain, I. M.; Jakoby, M.; Moghadamzadeh, S.; Abzieher, T.; Gharibzadeh, S.; Schwenzer, J. A.; Nazari, P.; Schackmar, F.; Hauschild, D.; Weinhardt, L.; Lemmer, U.; Richards, B. S.; Howard, I. A.; Paetzold, U. W.
2020. Advanced energy materials, 10 (5), Article: 1902583. doi:10.1002/aenm.201902583

Coated and Printed Perovskites for Photovoltaic Applications
Howard, I. A.; Abzieher, T.; Hossain, I. M.; Eggers, H.; Schackmar, F.; Ternes, S.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2019. Advanced materials, 31 (26), Art.Nr. 1806702. doi:10.1002/adma.201806702

Spontaneous Enhancement of the Stable Power Conversion Efficiency in Perovskite Solar Cells
Moghadamzadeh, S.; Hossain, I.; Jakoby, M.; Abdollahi Nejand, B.; Rueda-Delgado, D.; Schwenzer, J. A.; Gharibzadeh, S.; Abzieher, T.; Khan, M. R.; Haghighirad, A. A.; Howard, I. A.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2019. Journal of materials chemistry / A, 8 (2), 670–682. doi:10.1039/C9TA09584E

Sputtered Transparent Electrodes (IO:H and IZO) with Low Parasitic Near-Infrared Absorption for Perovskite-Cu(In,Ga)Se₂ Tandem Solar Cells
Schultes, M.; Helder, T.; Ahlswede, E.; Aygüler, M. F.; Jackson, P.; Paetel, S.; Schwenzer, J. A.; Hossain, I. M.; Paetzold, U. W.; Powalla, M.
2019. ACS applied energy materials, 2 (11), 7823–7831. doi:10.1021/acsaem.9b01224

Drying Dynamics of Solution‐Processed Perovskite Thin‐Film Photovoltaics: In Situ Characterization, Modeling, and Process Control
Ternes, S.; Börnhorst, T.; Schwenzer, J. A.; Hossain, I. M.; Abzieher, T.; Mehlmann, W.; Lemmer, U.; Scharfer, P.; Schabel, W.; Richards, B. S.; Paetzold, U. W.
2019. Advanced energy materials, 9 (39), Article no: 1901581. doi:10.1002/aenm.201901581

Light coupling to quasi-guided modes in nanoimprinted perovskite solar cells
Schmager, R.; Hossain, I. M.; Schackmar, F. R.; Richards, B. S.; Gomard, G.; Paetzold, U. W.
2019. Solar energy materials & solar cells, 201, Art.-Nr.: 110080. doi:10.1016/j.solmat.2019.110080

Efficient All-Evaporated pin-Perovskite Solar Cells: A Promising Approach Toward Industrial Large-Scale Fabrication
Abzieher, T.; Schwenzer, J. A.; Moghadamzadeh, S.; Sutterluti, F.; Hossain, I. M.; Pfau, M.; Lotter, E.; Hetterich, M.; Richards, B. S.; Lemmer, U.; Powalla, M.; Paetzold, U. W.
2019. IEEE journal of photovoltaics, 9 (5), 1249–1257. doi:10.1109/JPHOTOV.2019.2920727

Influence of excitonic effects on charge carrier extraction in organic-inorganic perovskite solar cells
Lange, P.; Ruf, F.; Hossain, I. M.; Paetzold, U. W.; Schultes, M.; Ahlswede, E.; Kalt, H.; Hetterich, M.
2019. DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM), Fachverband Halbleiterphysik (2019), Regensburg, Deutschland, 31. März–5. April 2019

Scalable Processing of Low-Temperature TiO₂ Nanoparticles for High-Efficiency Perovskite Solar Cells
Hossain, I. M.; Hudry, D.; Mathies, F.; Abzieher, T.; Moghadamzadeh, S.; Rueda-Delgado, D.; Schackmar, F.; Bruns, M.; Andriessen, R.; Aernouts, T.; Di Giacomo, F.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.; Hadipour, A.
2019. ACS applied energy materials, 2 (1), 47–58. doi:10.1021/acsaem.8b01567

Towards nano-patterned perovskite layers for enhanced absorption in solar cells
Schmager, R.; Abzieher, T.; Brenner, P.; Assadillayev, A.; Lee, D. J.; Moghadamzadeh, S.; Hossain, I. M.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.
2018. 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018; Waikoloa Village; United States; 10 June 2018 through 15 June 2018, 15–17, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/PVSC.2018.8548029

Spectral Dependence of Degradation under Ultraviolet Light in Perovskite Solar Cells
Farooq, A.; Hossain, I. M.; Moghadamzadeh, S.; Schwenzer, J. A.; Abzieher, T.; Richards, B. S.; Klampaftis, E.; Paetzold, U. W.
2018. ACS applied materials & interfaces, 10 (26), 21985–21990. doi:10.1021/acsami.8b03024