Search Results - "Ugur, Esma"
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Pathways toward commercial perovskite/silicon tandem photovoltaics
Published in Science (American Association for the Advancement of Science) (12-01-2024)“…Perovskite/silicon tandem solar cells offer a promising route to increase the power conversion efficiency of crystalline silicon (c-Si) solar cells beyond the…”
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Damp heat-stable perovskite solar cells with tailored-dimensionality 2D/3D heterojunctions
Published in Science (American Association for the Advancement of Science) (01-04-2022)“…If perovskite solar cells (PSCs) with high power conversion efficiencies (PCEs) are to be commercialized, they must achieve long-term stability, which is…”
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Tin Oxide Electron‐Selective Layers for Efficient, Stable, and Scalable Perovskite Solar Cells
Published in Advanced materials (Weinheim) (01-04-2021)“…Perovskite solar cells (PSCs) have become a promising photovoltaic (PV) technology, where the evolution of the electron‐selective layers (ESLs), an integral…”
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Efficient and stable perovskite-silicon tandem solar cells through contact displacement by MgFx
Published in Science (American Association for the Advancement of Science) (15-07-2022)“…A fluoride boostThe wide-bandgap perovskite layer in perovskite-silicon tandem solar cells is still limited by high interface recombination at the electron…”
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Linked Nickel Oxide/Perovskite Interface Passivation for High‐Performance Textured Monolithic Tandem Solar Cells
Published in Advanced energy materials (01-10-2021)“…Sputtered nickel oxide (NiOx) is an attractive hole‐transport layer for efficient, stable, and large‐area p‐i‐n metal‐halide perovskite solar cells (PSCs)…”
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A Universal Double‐Side Passivation for High Open‐Circuit Voltage in Perovskite Solar Cells: Role of Carbonyl Groups in Poly(methyl methacrylate)
Published in Advanced energy materials (25-10-2018)“…The performance of state‐of‐the‐art perovskite solar cells is currently limited by defect‐induced recombination at interfaces between the perovskite and the…”
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Capillary Manganese Halide Needle‐Like Array Scintillator with Isolated Light Crosstalk for Micro‐X‐Ray Imaging
Published in Advanced materials (Weinheim) (01-05-2024)“…The exacerbation of inherent light scattering with increasing scintillator thickness poses a major challenge for balancing the thickness‐dependent spatial…”
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Monolithic Perovskite/Silicon Tandems with >28% Efficiency: Role of Silicon‐Surface Texture on Perovskite Properties
Published in Advanced functional materials (01-01-2023)“…Textured silicon wafers used in silicon solar cell manufacturing offer superior light trapping, which is a critical enabler for high‐performance photovoltaics…”
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Enhanced cation interaction in perovskites for efficient tandem solar cells with silicon
Published in Science (American Association for the Advancement of Science) (02-08-2024)“…To achieve the full potential of monolithic perovskite/silicon tandem solar cells, crystal defects and film inhomogeneities in the perovskite top cell must be…”
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Sublimed C60 for efficient and repeatable perovskite-based solar cells
Published in Nature communications (24-01-2024)“…Thermally evaporated C 60 is a near-ubiquitous electron transport layer in state-of-the-art p–i–n perovskite-based solar cells. As perovskite photovoltaic…”
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Vertically oriented low-dimensional perovskites for high-efficiency wide band gap perovskite solar cells
Published in Nature communications (21-10-2024)“…Controlling crystal growth alignment in low-dimensional perovskites (LDPs) for solar cells has been a persistent challenge, especially for low-n LDPs ( n < 3,…”
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Photon recycling in perovskite solar cells and its impact on device design
Published in Nanophotonics (Berlin, Germany) (01-06-2021)“…Metal halide perovskites have emerged in recent years as promising photovoltaic materials due to their excellent optical and electrical properties, enabling…”
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Charge Carrier Recombination at Perovskite/Hole Transport Layer Interfaces Monitored by Time-Resolved Spectroscopy
Published in ACS energy letters (10-12-2021)“…Carrier recombination at the interface between charge extraction layers and the perovskite photoactive layer in solar cells reduces the quasi-Fermi level…”
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Effect of Periodate-Induced Cross-linking on Dual Anticancer Drug Release from Poly(2-isopropyl-2-oxazoline)/Tannic Acid-Based Layer-by-Layer Microparticles
Published in ACS omega (24-09-2024)“…This study reports, first, on the preparation and cross-linking of multilayers composed of poly(2-isopropyl-2-oxazoline-co-ethyleneimine) (PiPOX-PEI) and…”
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Impact of Residual Lead Iodide on Photophysical Properties of Lead Triiodide Perovskite Solar Cells
Published in Energy technology (Weinheim, Germany) (01-03-2020)“…The role of residual lead iodide on the photophysical properties of methylammonium lead iodide is still unclear and contradictory views exist about its impact…”
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Life on the Urbach Edge
Published in The journal of physical chemistry letters (25-08-2022)“…The Urbach energy is an expression of the static and dynamic disorder in a semiconductor and is directly accessible via optical characterization techniques…”
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Regulating surface potential maximizes voltage in all-perovskite tandems
Published in Nature (London) (26-01-2023)“…The open-circuit voltage ( V OC ) deficit in perovskite solar cells is greater in wide-bandgap (over 1.7 eV) cells than in perovskites of roughly 1.5…”
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Enhanced optoelectronic coupling for perovskite/silicon tandem solar cells
Published in Nature (London) (23-11-2023)“…Monolithic perovskite/silicon tandem solar cells are of great appeal as they promise high power conversion efficiencies (PCEs) at affordable cost. In…”
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Suppressed phase segregation for triple-junction perovskite solar cells
Published in Nature (London) (01-06-2023)“…The tunable bandgaps and facile fabrication of perovskites make them attractive for multi-junction photovoltaics 1 , 2 . However, light-induced phase…”
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Double-side 2D/3D heterojunctions for inverted perovskite solar cells
Published in Nature (London) (04-04-2024)“…Defects at the top and bottom interfaces of three-dimensional (3D) perovskite photoabsorbers diminish the performance and operational stability of perovskite…”
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