693.932 PEOPLE
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| Naji, M. |
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| Aletan, Dirar |
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Steiner, Ullrich
Adolphe Merkle Institute
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (42/42 displayed)
- 2024The Role of Interfacial Effects in the Impedance of Nanostructured Solid Polymer Electrolytes
- 2023Rendering Polyurethane Hydrophilic for Efficient Cellulose Reinforcement in Melt‐Spun Nanocomposite Fiberscitations
- 2023Directed Self-Assembly of Diamond Networks in Triblock Terpolymer Films on Patterned Substratescitations
- 2023Broadband circular dichroism in chiral plasmonic woodpilescitations
- 2021Shaping perovskites: in situ crystallization mechanism of rapid thermally annealed, prepatterned perovskite filmscitations
- 2021Shaping perovskites: in situ crystallization mechanism of rapid thermally annealed, prepatterned perovskite filmscitations
- 2021Revisiting metal fluorides as lithium-ion battery cathodes.
- 2021Physical passivation of grain boundaries and defects in perovskite solar cells by an isolating thin polymercitations
- 2020Comparing the excited-state properties of a mixed-cation–mixed-halide perovskite to methylammonium lead iodidecitations
- 2020Melt-spun nanocomposite fibers reinforced with aligned tunicate nanocrystalscitations
- 2020Tuning the properties of a UV-polymerized, cross-linked solid polymer electrolyte for lithium batteriescitations
- 2020Tuning the Properties of a UV-Polymerized, Cross-Linked Solid Polymer Electrolyte for Lithium Batteriescitations
- 2019Processing pathways decide polymer properties at the molecular level
- 2019Processing pathways decide polymer properties at the molecular levelcitations
- 2019Metasurfaces Atop Metamaterials: Surface Morphology Induces Linear Dichroism in Gyroid Optical Metamaterials.
- 2019Towards Polymers with Molecular Auxeticity
- 2018Controlling Self-Assembly in Gyroid Terpolymer Films By Solvent Vapor Annealing.
- 2018Controlling Self-Assembly in Gyroid Terpolymer Films By Solvent Vapor Annealing.
- 2018Flash Infrared Annealing for Antisolvent‐Free Highly Efficient Perovskite Solar Cellscitations
- 2017Migration of cations induces reversible performance losses over day/night cycling in perovskite solar cellscitations
- 2017Chemical vapour deposition of freestanding sub-60 nm graphene gyroidscitations
- 2017Optical Imaging of Large Gyroid Grains in Block Copolymer Templates by Confined Crystallization.
- 2016In-situ observation of moisture-induced degradation of perovskite solar cells using laser-beam induced currentcitations
- 2015Phosphonic anchoring groups in organic dyes for solid-state solar cellscitations
- 2015Phosphonic anchoring groups in organic dyes for solid-state solar cellscitations
- 20153D Nanostructured Conjugated Polymers for Optical Applications
- 2015Strong Photocurrent from Two-Dimensional Excitons in Solution-Processed Stacked Perovskite Semiconductor Sheets
- 2015Strong Photocurrent from Two-Dimensional Excitons in Solution-Processed Stacked Perovskite Semiconductor Sheetscitations
- 2015Strong photocurrent from 2D excitons in solution-processed stacked perovskite semiconductor sheets
- 2015Role of PbSe Structural Stabilization in Photovoltaic Cellscitations
- 2014Ultrafast nonlinear response of gold gyroid three-dimensional metamaterialscitations
- 2014Bio-inspired hierarchical polymer fiber-carbon nanotube adhesivescitations
- 2014Performance and Stability Enhancement of Dye-Sensitized and Perovskite Solar Cells by Al Doping of TiO2citations
- 2013Hierarchical orientation of crystallinity by block-copolymer patterning and alignment in an electric fieldcitations
- 2013Crystallization-induced 10-nm structure formation in P3HT/PCBM blendscitations
- 2011Carbon Nanotubes Alignment via Electrohydrodynamic Patterning of Nanocompositescitations
- 2011In situ electrochemical monitoring of selective etching in ordered mesoporous block-copolymer templatescitations
- 2010Soft-etch mesoporous hole-conducting block copolymer templatescitations
- 2010Control of gyroid forming block copolymer templatescitations
- 2010Formation of nanopatterned polymer blends in photovoltaic devicescitations
- 2010Rapid Electrohydrodynamic Lithography Using Low-Viscosity Polymerscitations
- 2009Pattern formation in thin polymer films by spatially modulated electric fieldscitations
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document
Strong Photocurrent from Two-Dimensional Excitons in Solution-Processed Stacked Perovskite Semiconductor Sheets
Abstract
Room-temperature photocurrent measurements in two-dimensional (2D) inorganic–organic perovskite devices reveal that excitons strongly contribute to the photocurrents despite possessing binding energies over 10 times larger than the thermal energies. The p-type (C6H9C2H4NH3)2PbI4 liberates photocarriers at metallic Schottky aluminum contacts, but incorporating electron- and hole-transport layers enhances the extracted photocurrents by 100-fold. A further 10-fold gain is found when TiO2 nanoparticles are directly integrated into the perovskite layers, although the 2D exciton semiconducting layers are not significantly disrupted. These results show that strong excitonic materials may be useful as photovoltaic materials despite high exciton binding energies and suggest mechanisms to better understand the photovoltaic properties of the related three-dimensional perovskites.