Optical generation of high carrier densities in 2D semiconductor heterobilayers

Jue Wang; Jenny Ardelean; Yusong Bai; Alexander Steinhoff; Matthias Florian; Frank Jahnke; Xiaodong Xu; Mackillo Kira; James Hone; X.-Y. Zhu

doi:10.1126/sciadv.aax0145

Research ArticleCONDENSED MATTER PHYSICS

Optical generation of high carrier densities in 2D semiconductor heterobilayers

View ORCID ProfileJue Wang¹,*,
Jenny Ardelean²,*,
View ORCID ProfileYusong Bai¹,*,
Alexander Steinhoff³,
Matthias Florian³,
Frank Jahnke³,
View ORCID ProfileXiaodong Xu⁴,
Mackillo Kira⁵,†,
View ORCID ProfileJames Hone ²,† and
View ORCID ProfileX.-Y. Zhu ¹,†

¹Department of Chemistry, Columbia University, New York, NY 10027, USA.
²Department of Mechanical Engineering, Columbia University, New York, NY 10027, USA.
³Institute for Theoretical Physics, University of Bremen, 28334 Bremen, Germany.
⁴Department of Physics and Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA.
⁵Department of Electrical Engineering and Computer Science and Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA.

↵†Corresponding author. Email: xyzhu{at}columbia.edu (X.-Y.Z.); jh2228{at}columbia.edu (J.H.); mackkira{at}umich.edu (M.K.)

↵* These authors contributed equally to this work.

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Science Advances 13 Sep 2019:
Vol. 5, no. 9, eaax0145
DOI: 10.1126/sciadv.aax0145

Jue Wang

1Department of Chemistry, Columbia University, New York, NY 10027, USA.

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Jenny Ardelean

2Department of Mechanical Engineering, Columbia University, New York, NY 10027, USA.

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Yusong Bai

1Department of Chemistry, Columbia University, New York, NY 10027, USA.

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Alexander Steinhoff

3Institute for Theoretical Physics, University of Bremen, 28334 Bremen, Germany.

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Matthias Florian

3Institute for Theoretical Physics, University of Bremen, 28334 Bremen, Germany.

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Frank Jahnke

3Institute for Theoretical Physics, University of Bremen, 28334 Bremen, Germany.

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Xiaodong Xu

4Department of Physics and Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA.

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Mackillo Kira

5Department of Electrical Engineering and Computer Science and Department of Physics, University of Michigan, Ann Arbor, MI 48109, USA.

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For correspondence: xyzhu@columbia.edu jh2228@columbia.edu mackkira@umich.edu

James Hone

2Department of Mechanical Engineering, Columbia University, New York, NY 10027, USA.

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For correspondence: xyzhu@columbia.edu jh2228@columbia.edu mackkira@umich.edu

X.-Y. Zhu

1Department of Chemistry, Columbia University, New York, NY 10027, USA.

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For correspondence: xyzhu@columbia.edu jh2228@columbia.edu mackkira@umich.edu

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