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Wang Z, Altmann P, Gadermaier C, et al. Phonon-Mediated Interlayer Charge Separation and Recombination in a MoSe. Nano Lett. 2021;21(5):2165-2173doi: 10.1021/acs.nanolett.0c04955.
Wang, Z., Altmann, P., Gadermaier, C., Yang, Y., Li, W., Ghirardini, L., Trovatello, C., Finazzi, M., Duò, L., Celebrano, M., Long, R., Akinwande, D., Prezhdo, O. V., Cerullo, G., & Dal Conte, S. (2021). Phonon-Mediated Interlayer Charge Separation and Recombination in a MoSe. Nano letters, 21(5), 2165-2173. https://doi.org/10.1021/acs.nanolett.0c04955
Wang, Zilong, et al. "Phonon-Mediated Interlayer Charge Separation and Recombination in a MoSe." Nano letters vol. 21,5 (2021): 2165-2173. doi: https://doi.org/10.1021/acs.nanolett.0c04955
Wang Z, Altmann P, Gadermaier C, Yang Y, Li W, Ghirardini L, Trovatello C, Finazzi M, Duò L, Celebrano M, Long R, Akinwande D, Prezhdo OV, Cerullo G, Dal Conte S. Phonon-Mediated Interlayer Charge Separation and Recombination in a MoSe. Nano Lett. 2021 Mar 10;21(5):2165-2173. doi: 10.1021/acs.nanolett.0c04955. Epub 2021 Feb 16. PMID: 33591207.
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Nano Lett. 2021 Mar 10;21(5):2165-2173. doi: 10.1021/acs.nanolett.0c04955. Epub 2021 Feb 16.

Phonon-Mediated Interlayer Charge Separation and Recombination in a MoSe.

Nano letters

Zilong Wang, Patrick Altmann, Christoph Gadermaier, Yating Yang, Wei Li, Lavinia Ghirardini, Chiara Trovatello, Marco Finazzi, Lamberto Duò, Michele Celebrano, Run Long, Deji Akinwande, Oleg V Prezhdo, Giulio Cerullo, Stefano Dal Conte

Affiliations

  1. Dipartimento di Fisica, Politecnico di Milano, Piazza L. da Vinci 32, I-20133 Milano, Italy.
  2. Center for Nano Science and Technology, Italian Institute of Technology, Via Pascoli 70/3, I-20133 Milano, Italy.
  3. College of Chemistry, Key Laboratory of Theoretical and Computational Photochemistry of Ministry of Education, Beijing Normal University, Beijing 100085, P.R. China.
  4. Department of Electrical and Computer Engineering, University of Texas at Austin, Austin, Texas 75858, United States.
  5. Department of Chemistry, University of Southern California, Los Angeles, California 90089, United States.
  6. IFN-CNR, Piazza L. da Vinci 32, I-20133 Milano, Italy.

PMID: 33591207 DOI: 10.1021/acs.nanolett.0c04955

Abstract

Monolayer transition metal dichalcogenides bear great potential for photodetection and light harvesting due to high absorption coefficients. However, these applications require dissociation of strongly bound photogenerated excitons. The dissociation can be achieved by vertically stacking different monolayers to realize band alignment that favors interlayer charge transfer. In such heterostructures, the reported recombination times vary strongly, and the charge separation and recombination mechanisms remain elusive. We use two color pump-probe microscopy to demonstrate that the charge separation in a MoSe

Keywords: 2D Heterostructure; TDDFT; charge transfer; femtosecond pump−probe spectroscopy; transition metal dichalcogenides

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