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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

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Topics

Publications (42/42 displayed)

  • 2024Motional Narrowing Effects in the Excited State Spin Populations of Mn-Doped Hybrid Perovskites4citations
  • 2024Hole Localization in Bulk and 2D Lead-Halide Perovskites Studied by Time-Resolved Infrared Spectroscopy1citations
  • 2023Bright circularly polarized photoluminescence in chiral layered hybrid lead-halide perovskites57citations
  • 2023Bright circularly polarized photoluminescence in chiral layered hybrid lead-halide perovskites57citations
  • 2023Photoluminescence and spin selectivity in chiral layered halide perovskitescitations
  • 2023Chirality-induced spin selectivity and chiroptical properties in layered halide perovskitescitations
  • 2023Morphological Insights into the Degradation of Perovskite Solar Cells under Light and Humidity20citations
  • 2022Optical control of exciton spin dynamics in layered metal halide perovskites via polaronic state formation.citations
  • 2022Strong Induced Circular Dichroism in a Hybrid Lead‐Halide Semiconductor Using Chiral Amino Acids for Crystallite Surface Functionalization16citations
  • 2022A mechanistic study of the dopant-induced breakdown in halide perovskites using solid state energy storage devices.citations
  • 2022Optical control of exciton spin dynamics in layered metal halide perovskites via polaronic state formation27citations
  • 2021Impact of Orientational Glass Formation and Local Strain on Photo-Induced Halide Segregation in Hybrid Metal-Halide Perovskitescitations
  • 2021Impact of Orientational Glass Formation and Local Strain on Photo-Induced Halide Segregation in Hybrid Metal-Halide Perovskites17citations
  • 2021Impact of Orientational Glass Formation and Local Strain on Photo-Induced Halide Segregation in Hybrid Metal-Halide Perovskites17citations
  • 2021Manganese doping for enhanced magnetic brightening and circular polarization control of dark excitons in paramagnetic layered hybrid metal-halide perovskites54citations
  • 2021Impact of Orientational Glass Formation and Local Strain on Photo-Induced Halide Segregation in Hybrid Metal-Halide Perovskites.citations
  • 2021Manganese doping for enhanced magnetic brightening and circular polarization control of dark excitons in paramagnetic layered hybrid metal-halide perovskites.citations
  • 2021Tailored Local Bandgap Modulation as a Strategy to Maximize Luminescence Yields in Mixed‐Halide Perovskitescitations
  • 2020Photodoping through local charge carrier accumulation in alloyed hybrid perovskites for highly efficient luminescence137citations
  • 2020How Exciton Interactions Control Spin-Depolarization in Layered Hybrid Perovskites35citations
  • 2020Control of crystal symmetry breaking with halogen substituted benzylammonium in layered hybrid metal-halide perovskites95citations
  • 2019Perovskite semiconductors for next generation optoelectronic applications24citations
  • 2019The Physics of Light Emission in Halide Perovskite Devices.citations
  • 2019Back-Contact Perovskite Solar Cellscitations
  • 2018Probing the photophysics of semiconductor nanomaterials using optical pump-terahertz probe spectroscopy: from nanowires to perovskitescitations
  • 2018Probing the photophysics of semiconductor nanomaterials using optical pump-terahertz probe spectroscopycitations
  • 2018Iodine chemistry determines the defect tolerance of lead-halide perovskites564citations
  • 2018Direct Bandgap Behavior in Rashba-Type Metal Halide Perovskites.citations
  • 2018Exciton-Phonon Interactions Govern Charge-Transfer-State Dynamics in CdSe/CdTe Two-Dimensional Colloidal Heterostructures.citations
  • 2017Formation of Long-Lived Color Centers for Broadband Visible Light Emission in Low-Dimensional Layered Perovskites.121citations
  • 2016Photon recycling in lead iodide perovskite solar cells.citations
  • 2015Imaging of morphological changes and phase segregation in doped polymeric semiconductors35citations
  • 2015Strong Photocurrent from Two-Dimensional Excitons in Solution-Processed Stacked Perovskite Semiconductor Sheetscitations
  • 2015Strong Photocurrent from Two-Dimensional Excitons in Solution-Processed Stacked Perovskite Semiconductor Sheets101citations
  • 2015Strong photocurrent from 2D excitons in solution-processed stacked perovskite semiconductor sheetscitations
  • 2015Hot-carrier cooling and photoinduced refractive index changes in organic-inorganic lead halide perovskites.citations
  • 2015Local Versus Long-Range Diffusion Effects of Photoexcited States on Radiative Recombination in Organic-Inorganic Lead Halide Perovskites.citations
  • 2014High Photoluminescence Efficiency and Optically Pumped Lasing in Solution-Processed Mixed Halide Perovskite Semiconductors.citations
  • 2014High photoluminescence efficiency and optically pumped lasing in solution-processed mixed halide perovskite semiconductors1619citations
  • 2014Bright light-emitting diodes based on organometal halide perovskite.citations
  • 2012The Effect of Ageing on Exciton Dynamics, Charge Separation, and Recombination in P3HT/PCBM Photovoltaic Blends49citations
  • 2012The Effect of Ageing on Exciton Dynamics, Charge Separation, and Recombination in P3HT/PCBM Photovoltaic Blends49citations

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  • Walker, Alison B.
  • Heindl, Markus W.
  • Klingeler, Rüdiger
  • Sergl, Barbara
  • Elghandour, Ahmed
  • Shcherbakov, Andrii
  • Neumann, Timo
  • Lerpinière, James E.
  • Bodnar, Stanislav
  • Liu, Shangpu
  • Zerhoch, Jonathan
  • Tan, Qi Ying
  • Soci, Cesare
  • Nuber, Matthias
  • Kienberger, Reinhard
  • Stadlbauer, Anna
  • Sandner, Daniel
  • Sun, Kun
  • Iglev, Hristo
  • Müller-Buschbaum, Peter
  • Heindl, Markus
  • Paetzold, Ulrich
  • Kepenekian, Mikaël
  • Katan, Claudine
  • Even, Jacky
  • Pöthig, Alexander
  • Fehn, Natalie
  • Kartouzian, Aras
  • Feldmann, Sascha
  • Sharp, Ian
  • Li, Yang
  • Paetzold, Ulrich Wilhelm
  • Abhervé, Alexandre
  • Mercier, Nicolas
  • Bernstorff, Sigrid
  • Spanier, Lukas V.
  • Reus, Manuel A.
  • Heger, Julian Eliah
  • Guo, Renjun
  • Liang, Yuxin
  • Yin, Shanshan
  • Cerullo, Giulio
  • Bourelle, Sean A.
  • Van De Goor, Tim Wj
  • Winkler, Thomas
  • Ghosh, Soumen
  • Shivanna, Ravichandran
  • Camargo, Franco Va
  • Reb, Lennart K.
  • Sharp, Ian D.
  • Sutter-Fella, Carolin M.
  • Eyre, Lissa
  • Roth, Stephan V.
  • Abdelsamie, Maged
  • Harder, Constantin
  • Kodalle, Tim
  • Mathieson, Angus Gm
  • Merryweather, Alice J.
  • Rao, Akshay
  • De Volder, Michael
  • Dose, Wesley M.
  • Takacs, Christopher J.
  • Mackanic, David
  • Steinrück, Hans-Georg
  • Pandya, Raj
  • Van De Goor, Tim W. J.
  • Camargo, Franco V. A.
  • Jones, Michael
  • Sanchez, Bartomeu Monserrat
  • Friend, Richard, H.
  • Goor, Tim Van De
  • Kelly, Nicola D.
  • Liu, Cheng
  • Dutton, S. E.
  • Jones, Michael A.
  • Liu, Yun
  • Emge, Steffen P.
  • Monserrat, Bartomeu
  • Friend, Richard H.
  • Dutton, Siân E.
  • Goor, Tim W. J. Van De
  • Van De Goor, Tim
  • Moser, Philipp
  • Brandt, Martin S.
  • Faugeras, Clément
  • Delhomme, Alex
  • Finley, Jonathan J.
  • Dyksik, Mateusz
  • Wang, Shuli
  • Stier, Andreas V.
  • Plochocka, Paulina
  • Ciesielski, Richard
  • Hartschuh, Achim
  • Saliba, Michael
  • Tainter, Gregory D.
  • Nan, Guangjun
  • Rivett, Jph
  • Macpherson, Stuart
  • Stranks, Sd
  • Doherty, Tiarnan A. S.
  • Abdi-Jalebi, Mojtaba
  • Sirringhaus, Henning
  • Ringe, Emilie
  • Frohna, Kyle
  • Senanayak, Sp
  • Beljonne, David
  • Abolins, Haralds
  • Senanayak, Satyaprasad P.
  • Gillett, Alexander J.
  • Ashoka, Arjun
  • Soavi, Giancarlo
  • Bond, Andrew, D.
  • Schmitt, Tanja
  • Dutton, Siân
  • Bourelle, Sean
  • Tye, Nathaniel
  • Traoré, Boubacar
  • Schmidt-Mende, Lukas
  • Neher, Dieter
  • Di, Dawei
  • Stranks, Samuel D.
  • Hoye, Robert Lz
  • Alsari, Mejd
  • Pazos-Outón, Luis M.
  • Johnston, Michael B.
  • Adeye, Stephanie
  • Joyce, Hannah J.
  • Davies, Christopher L.
  • Tan, Hark Hoe
  • Baig, Sarwat A.
  • Boland, Jessica Louise
  • Jagadish, Chennupati
  • Adeyemo, Stephanie O.
  • Boland, Jessica L.
  • Petrozza, Annamaria
  • Ball, James
  • Meggiolaro, Daniele
  • Mosconi, Edoardo
  • Angelis, Filippo De
  • Barker, Alex J.
  • Motti, Silvia Genaro
  • Perini, Carlo Andrea Riccardo
  • Butkus, Justinas
  • Chen, Kai
  • Hodgkiss, Justin M.
  • Sadhanala, Aditya
  • Rivett, Jasmine Ph
  • Richter, Johannes M.
  • Ahmed, Shahab
  • Booker, Edward P.
  • Cheminal, Alexandre
  • Divitini, Giorgio
  • Thomas, Tudor H.
  • Ithurria, Sandrine
  • Chen, Richard Ys
  • Greenham, Neil C.
  • Dufour, Marion
  • Quarti, Claudio
  • Davis, Nathaniel Jlk
  • Stanton, Michael R.
  • Price, Michael B.
  • Pearson, Andrew J.
  • Dashwood, Cameron D.
  • Snaith, Henry J.
  • Lamboll, Robin
  • Ehrler, Bruno
  • Vrućinić, Milan
  • Crespo-Quesada, Micaela
  • Szumilo, Monika
  • Beeson, Harry J.
  • Riedel, Daniel
  • Deák, Andras
  • Da Como, Enrico
  • Ecker, Bernhard
  • Von Hauff, Elizabeth
  • Baumberg, Jeremy J.
  • Credgington, Dan
  • Ahmad, Shahab
  • Abate, Antonio
  • Steiner, Ullrich
  • Kanaujia, Pk
  • Baumberg, Jj
  • Beeson, Hj
  • Prakash, Gv
  • Baumberg, Jeremy
  • Kanaujia, Pawan Kumar
  • Prakash, G. Vijaya
  • Jellicoe, Tom C.
  • Broch, Katharina
  • Halpert, Jonathan E.
  • Briane, Anouk
  • Matthiesen, Clemens
  • Cacovich, Stefania
  • Dutton, Sian E.
  • Atatüre, Mete
  • Snaith, Henry
  • Ducati, Caterina
  • Jarausch, David-Dominik
  • Higler, Ruben
  • Klintberg, Lina E.
  • Leijtens, Tomas
  • Price, Michael
  • Phillips, Richard T.
  • Pathak, Sandeep
  • Hüttner, Sven
  • Pazos, Luis M.
  • Hanusch, Fabian
  • Bein, Thomas
  • Docampo, Pablo
  • Tan, Zhi-Kuang
  • Lai, May Ling
  • Moghaddam, Reza Saberi
  • Kutka, Peter
  • Hauch, Jens
  • Egelhaaf, Hans-J
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OrganizationsLocationPeople

article

How Exciton Interactions Control Spin-Depolarization in Layered Hybrid Perovskites

  • Van De Goor, Tim W. J.
  • Cerullo, Giulio
  • Camargo, Franco V. A.
  • Abolins, Haralds
  • Shivanna, Ravichandran
  • Friend, Richard, H.
  • Senanayak, Satyaprasad P.
  • Eyre, Lissa
  • Bourelle, Sean A.
  • Feldmann, Sascha
  • Deschler, Felix
  • Gillett, Alexander J.
  • Winkler, Thomas
  • Ghosh, Soumen
  • Ashoka, Arjun
Abstract

Using circularly polarized broadband transient absorption, time-resolved circular photoluminescence, and transient Faraday rotation spectroscopy, we report that spin-dependent interactions have a significant impact on exciton energies and spin depolarization times in layered Ruddlesden–Popper hybrid metal-halide perovskites. In BA2FAPb2I7, we report that room-temperature spin lifetimes are largest (3.2 ps) at a carrier density of ∼1017 cm−3 with increasing depolarization rates at higher exciton densities. This indicates that many-body interactions reduce spin-lifetimes and outcompete the effect of D’yakonov-Perel precessional relaxation that has been previously reported at lower carrier densities. We further observe a dynamic circular dichroism that arises from a photoinduced polarization in the exciton distribution between total angular momentum states. Our findings provide fundamental and application relevant insights into the spin-dependent exciton–exciton interactions in layered hybrid perovskites.

Topics
  • density
  • perovskite
  • photoluminescence
  • layered
  • spectroscopy