People
PI:

Yusong Bai (How to pronounce)
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Ph.D. from Duke University, 2011-2017
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Postdoctoral training at Columbia University, 2018-2022
Assistant Professor at Brown University, 2022-
Hobbies: travel, photography, gym, anime (also two-dimensional), HiFi, 3d modeling
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Office: Geo-Chem 347
Postdoc:

Zhenyu Sun
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Ph.D. in Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
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Research interest: Excitonic physics in 2D materials and van der Waals heterostructures
Hobbies: badminton, music, travel
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Email: zhenyu_sun@brown.edu
Office: Geo-Chem 223

Chun Li
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Ph.D. in Materials Physics and Chemistry, School of Materials Science and Engineering, Peking University
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Research interest: Optical Spectrascopy of 2D Materials, Strong Exciton-Photon Coupling
Hobbies: music, soccer, hiking
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Email: chun_li@brown.edu
Office: Geo-Chem 223
Graduate Students:

Ken (Seungmin) Hong
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B.S. in Chemistry, The University of Hong Kong
Ph.D. in Chemistry (2022-), Brown University
Research interest: Spectroscopic and microscopic investigation of exciton physics of quantum dots and 2D materials under magnetic & electric fields and cryogenic conditions
Hobbies: gym, watching history documentaries, nanocrystal synthesis, harmonica
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Email: seungmin_hong@brown.edu
Office: Geo-Chem 223

Changye Zhang
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B.S. in Physics, Nanjing University
M.S. in Physics, Brown University
Ph.D. in Chemistry (2023-), Brown University
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Research interest: Quantum transport and cryogenic optical spectroscopy/microscopy of 2D van der Waals heterostructures
Hobbies: soccer, movies, gaming
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Email: changye_zhang@brown.edu
Office: Geo-Chem 223

Haoteng Sun
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B.S. in Physics, Jilin University
Ph.D. in Chemistry (2023-), Brown University
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Research interest: Charge transfer in 2D heterostructure tunneling device, exciton quantum phase transitions probed by electrical and optical measurements
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Hobbies: simulations, travel, painting, Go game
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Email: haoteng_sun@brown.edu
Office: Geo-Chem 223

An Li
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B.S. in Physics, Shandong University
M.S. in Physics (2022-2024), Brown University
Ph.D. in Chemistry (2024-), Brown University
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Research interest: Excitonic devices, Coulomb drag
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Hobbies: gym, guitar, cooking, EDM
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Email: an_li@brown.edu
Office: Geo-Chem 223

Zhongqi Xiu
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B.S. in Physics, University of Science and Technology of China
Ph.D. in Chemistry (2024-), Brown University
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Research interest: Exciton phase transition in 2D heterostructures, quantum optics
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Hobbies: table tennis, hiking, gym, and gaming
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Email: zhongqi_xiu@brown.edu
Office: Geo-Chem 223
Undergraduate Students:

Joseph Depinho
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B.S. in Chemical Engineering, Brown University
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Research interest: Generally in properties of various low-dimensional quantum materials, probing and manipulating such properties by electrical, optical, and magnetic approaches
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Hobbies: piano, drums, gym, reading, and coffee
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Email: joseph_depinho@brown.edu
Office: Geo-Chem 223

Hayden Miller
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B.S. in Physics and B.A. in Computer Science, Brown University
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Research interest: Low-dimensional materials, excitonic devices and transport
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Hobbies: hiking, skiing, and soccer
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Email: hayden_miller@brown.edu
High School Students:

Onson Tieu
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Barrington High School Class of 2026
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Hobbies: pickleball, photography, sailing
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Email: o26tieu@gmail.com
Alumni:
Graduate Students
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Haochi Wang - Boston University (Master Student), now Stony Brook University Ph.D.
Yuchen Liu - Brown University (Master Student), now Carnegie Mellon University Ph.D.
Yan Xu - Brown University (Master Student), now Investment Company
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Undergraduate Students
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Michael Strojny - University of Toronto
Tian Lang - Beijing University of Chemical Technology, now Rice University Ph.D.
Connor Long - Princeton University
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High School Students
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Saeed Hud - Barrington High School
Ismaeel Qureshi - Unionville High School