Unveiling Ultrafast Spin-Valley Dynamics and Phonon-Mediated Charge Transfer in MoSe$_{2}$/WSe$_{2}$ Heterostructures

Authors: Wagner, Julian, Bernhardt, Robin, Rieland, Lukas, Abdul-Aziz, Omar, Li, Qiuyang, Zhu, Xiaoyang, Conte, Stefano Dal, Cerullo, Giulio, van Loosdrecht, Paul H. M., Hedayat, Hamoon

Subject Terms: Physics - Applied Physics, Condensed Matter - Mesoscale and Nanoscale Physics

Access URL: http://arxiv.org/abs/2411.14180

Ultrafast Optical Control of Exciton Diffusion in WSe$_2$/Graphene Heterostructures Revealed by Heterodyne Transient Grating Spectroscopy

Authors: Rieland, Lukas, Wagner, Julian, Bernhardt, Robin, Wang, Tianyi, Abdul-Aziz, Omar, Stein, Philipp, Pogna, Eva Arianna Aurelia, Conte, Stefano Dal, Cerullo, Giulio, Hedayat, Hamoon, van Loosdrecht, Paul H. M.

Subject Terms: Condensed Matter - Mesoscale and Nanoscale Physics

Access URL: http://arxiv.org/abs/2404.17416

Unraveling the Excitonic Transition and Associated Dynamics in Confined Long Linear Carbon-chains with Time-Resolved Resonance Raman Scattering

Authors: Zhu, Jingyi, Bernhardt, Robin, Cui, Weili, German, Raphael, Wagner, Julian, Senkovskiy, Boris V., Grüneis, Alexander, Pichler, Thomas, Liu, Rulin, Zhu, Xi, Van Loosdrecht, Paul H. M., Shi, Lei

Subject Terms: Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/2105.14014

Excitonic Transport and Intervalley Scattering in Exfoliated MoSe2 Monolayer Revealed by Four-Wave-Mixing Transient Grating Spectroscopy

Authors: Kuhn, Henning, Wagner, Julian, Han, Shuangping, Bernhardt, Robin, Gao, Yan, Xiao, Liantuan, Zhu, Jingyi, van Loosdrecht, Paul H. M.

Subject Terms: Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Materials Science

Access URL: http://arxiv.org/abs/1911.08939

Unveiling Ultrafast Spin‐Valley Dynamics and Phonon‐Mediated Charge Transfer in MoSe2/WSe2 Heterostructures.

Authors: Wagner, Julian¹ (AUTHOR), Bernhardt, Robin¹ (AUTHOR), Rieland, Lukas¹ (AUTHOR), Abdul‐Aziz, Omar¹ (AUTHOR), Li, Qiuyang² (AUTHOR), Zhu, Xiaoyang² (AUTHOR), Dal Conte, Stefano³ (AUTHOR), Cerullo, Giulio^3,4 (AUTHOR), van Loosdrecht, Paul H. M.¹ (AUTHOR) pvl@ph2.uni-koeln.de, Hedayat, Hamoon¹ (AUTHOR) hedayat@ph2.uni-koeln.de

Source: Advanced Optical Materials. 3/13/2025, Vol. 13 Issue 8, p1-8. 8p.

Subject Terms: *PHONON scattering, *EXCITON theory, *HIGH temperatures, *TRANSITION metals, *HETEROSTRUCTURES

Ultrafast Excitonic Transitions in Enantiopure and Racemic Squaraine Thin Films.

Authors: Bernhardt, Robin¹, bernhardt@ph2.uni-koeln.de, Rieland, Lukas¹, Wang, Tianyi¹, twang@ph2.uni-koeln.de, Schumacher, Marvin F.², Lützen, Arne², Schiek, Manuela³, manuela.schiek@jku.at, van Loosdrecht, Paul H. M.¹, pvl@ph2.uni-koeln.de

Source: Aggregate; Mar2025, Vol. 6 Issue 3, p1-11, 11p

Structural Disorder as the Origin of Optical Properties and Spectral Dynamics in Squaraine Nano-Aggregates

Authors: Bernhardt, Robin, Manrho, Maríck, Zablocki, Jennifer, Rieland, Lukas, Lützen, Arne, Schiek, Manuela, Meerholz, Klaus, Zhu, Jingyi, Jansen, Thomas L. C., Knoester, Jasper

Source: Journal of the American Chemical Society. 144(42):19372-19381

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN630575483&indx=1&recIds=ETOCRN630575483

Ultrafast Optical Control of Exciton Diffusion in WSe2/Graphene Heterostructures Revealed by Heterodyne Transient Grating Spectroscopy.

Authors: Rieland, Lukas, Wagner, Julian, Bernhardt, Robin, Wang, Tianyi, Abdul-Aziz, Omar, Stein, Philipp, Pogna, Eva A. A., Dal Conte, Stefano, Cerullo, Giulio, Hedayat, Hamoon, van Loosdrecht, Paul H. M.

Source: Nano Letters; 8/14/2024, Vol. 24 Issue 32, p9824-9831, 8p

Exciton‐Exciton Annihilation Dynamics: Excitonic Transport and Intervalley Scattering Dynamics in Large‐Size Exfoliated MoSe2 Monolayer Investigated by Heterodyned Transient Grating Spectroscopy (Laser Photonics Rev. 14(12)/2020)

Authors: Kuhn, Henning, Wagner, Julian, Han, Shuangping, Bernhardt, Robin, Gao, Yan, Xiao, Liantuan, Zhu, Jingyi, Loosdrecht, Paul H. M.

Source: Laser & photonics reviews. 14(12)

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100111892667.0x000001&indx=1&recIds=ETOCvdc_100111892667.0x000001

Excitonic Transport and Intervalley Scattering Dynamics in Large‐Size Exfoliated MoSe2 Monolayer Investigated by Heterodyned Transient Grating Spectroscopy

Authors: Kuhn, Henning, Wagner, Julian, Han, Shuangping, Bernhardt, Robin, Gao, Yan, Xiao, Liantuan, Zhu, Jingyi, Loosdrecht, Paul H. M.

Source: Laser & photonics reviews. 14(12)

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100111892495.0x000001&indx=1&recIds=ETOCvdc_100111892495.0x000001

Inside Back Cover: Ultrafast Excitonic Transitions in Enantiopure and Racemic Squaraine Thin Films.

Authors: Bernhardt, Robin, Rieland, Lukas, Wang, Tianyi, Schumacher, Marvin F., Lützen, Arne, Schiek, Manuela, van Loosdrecht, Paul H. M.

Source: Aggregate; Mar2025, Vol. 6 Issue 3, p1-1, 1p

Thermally-induced drift of A-site cations at solid–solid interface in physically paired lead halide perovskites.

Authors: Cuzzupè, Daniele T., Ünlü, Feray, Lê, Khan, Bernhardt, Robin, Wilhelm, Michael, Grosch, Matthias, Weißing, Rene, Fischer, Thomas, van Loosdrecht, Paul H. M., Mathur, Sanjay

Source: Scientific Reports; 6/17/2022, Vol. 12 Issue 1, p1-11, 11p

Subject Terms: SOLID-solid interfaces, SOLAR cells, HYBRID solar cells, LEAD halides, PHASE transitions, X-ray absorption spectra, PEROVSKITE

Trap induced long exciton intervalley scattering and population lifetime in monolayer WSe2.

Authors: Wagner, Julian, Kuhn, Henning, Bernhardt, Robin, Zhu, Jingyi, Loosdrecht, Paul H M van

Source: 2D Materials; Jul2021, Vol. 8 Issue 3, p1-10, 10p

Excitonic Transport and Intervalley Scattering Dynamics in Large‐Size Exfoliated MoSe2 Monolayer Investigated by Heterodyned Transient Grating Spectroscopy.

Authors: Kuhn, Henning, Wagner, Julian, Han, Shuangping, Bernhardt, Robin, Gao, Yan, Xiao, Liantuan, Zhu, Jingyi, Loosdrecht, Paul H. M.

Source: Laser & Photonics Reviews; Dec2020, Vol. 14 Issue 12, p1-9, 9p

Subject Terms: PHOTOLUMINESCENCE measurement, FIREPLACES, SPECTROMETRY, MONOMOLECULAR films, TRANSITION metals, DIFFUSION