Liu 刘成 Group

Advancing stable, scalable optoelectronics — perovskite solar cells, photodetectors, and radiation detectors — through mechanistic interface design.

Frontiers Science Center for Transformative Molecules · Shanghai Jiao Tong University

Cheng Liu 刘成

Tenure-Track Associate Professor · Ph.D. Supervisor

Dr. Liu leads the group at the Frontiers Science Center for Transformative Molecules (FSCTM) and the National Key Laboratory of Fluorinated Functional Membrane Materials, Shanghai Jiao Tong University. His research focuses on the chemistry and physics of semiconductor interfaces for stable optoelectronic devices.

He operates a "mechanism → strategy → device" closed loop: verifiable mechanistic understanding drives scalable passivation strategies for industrially viable device architectures.

He has published 60+ SCI papers with 26 first/corresponding-author papers in Science (3), Nature, Nature Energy (2), Nature Nanotechnology, Joule, Nature Communications, Science Advances — 8 ESI Highly Cited. He holds 7 patents (2 granted + 5 applications).

Prior to SJTU: Research Associate & Postdoctoral Fellow at Northwestern University with Professors Edward H. Sargent and Mercouri G. Kanatzidis (2022–2026). Ph.D. from Northwestern (2021). Visiting Ph.D. at EPFL with Prof. Mohammad K. Nazeeruddin (2019–2021).

Youth Editorial Board — J. Energy Chem.  ·  Reviewer — Science, Nat. Energy, Nat. Nanotech., JACS, Adv. Mater.

60+
Papers
26
1st/Corr.
5,500+
Citations
34
H-index
CL
Cheng Liu
Tenure-Track Associate Prof.
Phone+86 188-1078-9503
OfficeFSCTM, SJTU Zhangjiang
429 Zhangheng Rd, Pudong

Research

☀️

Perovskite Solar Cells & Modules

High-efficiency single-junction and tandem cells; scalable 1 m × 2 m modules; wet-interface chemistry and SAM design.

🧪

Interface Passivation

Molecular strategies — amidinium, isothiuronium, bimolecular, hydrazide-based — to suppress recombination and redirect redox pathways.

📡

Photodetectors & Radiation

Perovskite-based detectors leveraging defect-engineered materials for high-sensitivity, stable operation.

🧊

Inorganic Perovskites

Stabilizing CsPbI3 phases via quantum-dot and quasi-quantum-dot approaches for thermally robust devices.

🔗

2D Passivation Layers

Chemically-bonded monolayers and 2D perovskite capping layers (RP & DJ) for durable high-temperature interfaces.

💡

Mechanistic Study

In-situ NMR, Raman, GIWAXS, XPS, AFM-IR combined with computation to uncover passivation-stability mechanisms.

Selected Publications

† co-first  ·  26 first/corresponding-author papers

⭐ Featured · 2026
Science
Redirecting Wet–Interfacial Redox Pathways for Efficient Inverted Perovskite Solar Cells
Liu C.*, Zhang Y.*, Zhu C.*, Park N.*, et al.
Revealed acidic SAM-induced redox chemistry at the wet perovskite interface. Designed conjugated hydrazide molecules to redirect the redox pathway, achieving 27.7% PCE (27.4% certified) and 20.1% for 1 m × 2 m modules, with T95 > 1,500 h at 85 °C MPP.
2025
Joule
A Chemically-Bonded Monolayer Interface Enables Enhanced Thermal Stability and Efficiency in Pb–Sn Perovskite Solar Cells
Bati A., Liu C.†, Gilley I., et al.
Joule, 2025, 102047
2023
Science
Engineering Ligand Reactivity Enables High-Temperature Operation of Stable Perovskite Solar Cells
Park S., Liu C., et al.
Science, 2023
Nature
Regulating Surface Potential Maximizes Voltage in All-Perovskite Tandems
Hao C., Liu C., et al.
Nature, 2023
ACS Energy Lett.
Bimolecularly-Passivated Interface Enables Efficient and Stable Inverted Perovskite Solar Cells
Liu C., Yang Y., Syzgantseva O.A., et al.
ACS Energy Letters, 2023
2022
Nat. Commun.
Two Spacers, One Perovskite: Integrating Ruddlesden-Popper and Dion-Jacobson Halide Perovskites
Fletcher J.D., Liu C., et al.
Nature Communications, 2022
Angew. Chem.
Stable and Efficient Passivation Layers for Perovskite Solar Cells
Liu C., et al.
Angew. Chem. Int. Ed., 2022
2021
J. Mater. Chem. A
Quasi-Quantum Dot-Induced Stabilization of α-CsPbI3 Perovskite for High-Efficiency Solar Cells
Liu C., Yang Y., Liu X., et al.
J. Mater. Chem. A, 2021, 8(20): 10226–10232
Solar RRL
MACl-Induced Intermediate Engineering for High-Performance Mixed-Cation Perovskite Solar Cells
Mateen M., et al.
Solar RRL, 2021, 5(8): 2100191

Full list on Google Scholar  ·  7 patents

News

Aug 21, 2026
🎉 Inaugural Science paper as SJTU PI: "Redirecting Wet–Interfacial Redox Pathways…" Read ↗
Aug 2026
🚩 Liu Group officially launched at FSCTM. Recruiting postdocs, students, and research assistants.

Contact & Join

📍 Address
FSCTM, SJTU Zhangjiang Campus
429 Zhangheng Rd, Pudong, Shanghai 200240

📧 Email
c.liu@sjtu.edu.cn
chengliu1294@gmail.com

📞 Phone
+86 188-1078-9503

🔗 fsctm.sjtu.edu.cn

Open Positions

The lab follows a "mechanism → strategy → device" philosophy — verifiable mechanistic understanding drives scalable passivation for industrially viable optoelectronics.

Research areas: Perovskite cells/tandems, photodetectors, radiation detection, interface engineering.

  • Postdoctoral Fellows — ≥240k RMB/yr (up to 450k). Overseas collaboration opportunities.
  • Ph.D. Students — Spring/Fall 2027 intake
  • Research Assistants — Ph.D. candidate track, competitive salary
  • Joint-training Students — Stipend + housing

Email c.liu@sjtu.edu.cn with CV + research interests. Subject: "Position + Name + Affiliation + Date".

Long-term open. Inquiries welcome.