DOI: 10.1063/1.4916089. Polarization and time-resolved photoluminescence spectroscopy of excitons in MoSe2 monolayers

Polarization and time-resolved photoluminescence spectroscopy of excitons in MoSe2 monolayers

10.1063/1.4916089

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We investigate valley exciton dynamics in MoSe2 monolayers in polarization- and time-resolved photoluminescence (PL) spectroscopy at 4 K. Following circularly polarized laser excitation, we record a low circular polarization degree of the PL of typically ≤5%. This is about 10 times lower than the polarization induced under comparable conditions in MoS2 and WSe2 monolayers. The evolution of the exciton polarization as a function of excitation laser energy and power is monitored in PL excitation experiments. Fast PL emission times are recorded for both the neutral exciton of ≤3 ps and for the charged exciton (trion) of 12 ps.

Bibliography

Wang, G., Palleau, E., Amand, T., Tongay, S., Marie, X., & Urbaszek, B. (2015). Polarization and time-resolved photoluminescence spectroscopy of excitons in MoSe2 monolayers. Applied Physics Letters, 106(11).

Authors 6

G. Wang (first)
E. Palleau (additional)
T. Amand (additional)
S. Tongay (additional)
X. Marie (additional)
B. Urbaszek (additional)

References 39 Referenced 142

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G. Wang, L. Bouet, M. M. Glazov, T. Amand, E. L. Ivchenko, E. Palleau, X. Marie, and B. Urbaszek, e-print arXiv:1503.04105 (2015).

Dates

Type	When
Created	10 years, 5 months ago (March 18, 2015, 2:11 p.m.)
Deposited	2 years, 2 months ago (June 17, 2023, 8:08 p.m.)
Indexed	5 days, 19 hours ago (Aug. 23, 2025, 9:51 p.m.)
Issued	10 years, 5 months ago (March 16, 2015)
Published	10 years, 5 months ago (March 16, 2015)
Published Online	10 years, 5 months ago (March 18, 2015)
Published Print	10 years, 5 months ago (March 16, 2015)

Funders 2

European Research Council 10.13039/501100000781
Region: Europe
gov (National government)
Labels1
1. ERC
Awards1
1. 306719
Agence Nationale de la Recherche 10.13039/501100001665
Region: Europe
gov (National government)
Labels3
1. French National Research Agency
2. French National Agency for Research
3. ANR

BibTeX

@article{Wang_2015, title={Polarization and time-resolved photoluminescence spectroscopy of excitons in MoSe2 monolayers}, volume={106}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.4916089}, DOI={10.1063/1.4916089}, number={11}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Wang, G. and Palleau, E. and Amand, T. and Tongay, S. and Marie, X. and Urbaszek, B.}, year={2015}, month=mar }

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