Ou Chen

Ou Chen
Associate Professor of Chemistry

Research Area

Contact Info

GeoChem 343401-863-3385EmailResearchers@Brown ProfileChen Lab Webpage

Research Statement

Research in the Chen laboratory focuses on developing novel materials ranging from nanoscopic to macroscopic scales and characterizing and elucidating their chemical and physical properties for energy, biological, optical and catalysis applications.

Areas of Interest

  • Quantum dots
  • Perovskite nanomaterials
  • Nanocrystal superstructures
  • Multifunctional nanomaterials
  • Hybrid nano-structures
  • Nanotechnology for energy and photocatalysis


  • 2010 - Ph.D.: University of Florida
  • 2004 - B.A. University of Science and Technology of China

Selected Publications

  • Z. Liu, H. Yang, J. Wang, Y. Yuan, K. Hills-Kimball, T. Cai, P. Wang, A. Tang, and O. Chen* “Synthesis of Lead-Free Cs2AgBiX6 (X = Cl, Br, I) Double Perovskite Nanoplatelets and Their Application in CO2 Photocatalytic Reduction” Nano Letters 2021, 21, 1620-1627.
  • T. Cai, W. Shi, D. Gosztola, K. Kobbekaduwa, H. Yang, N. Jin, Y. Nagaoka, L. Dube, J. Schneider, S. Hwang, J. Gao, X. Ma, and O. Chen* “Colloidal Synthesis and Charge Carrier Dynamics of Cs4Cd1-xCuxSb2Cl12 (0 ≤ x ≤ 1) Layered Double Perovskite Nanocrystals” Matter 2021, 4, 2936-2925.
  • T. Cai, J. Wang, W. Li, K. Hills-Kimball, H. Yang, Y. Nagaoka, Y. Yuan, R. Zia, and O. Chen* “Mn2+/Yb3+ Codoped CsPbCl3 Perovskite Nanocrystals with Triple-Wavelength Emission for Luminescent Solar Concentrators” Advanced Science 2020, 2001317.
  • Y. Yuan, H. Zhu, K. Hills-Kimball, T. Cai, W. Shi, Z. Wei, H. Yang, Y. Candler, P. Wang, J. He, and O. Chen* "Stereoselective C-C Oxidative Coupling Reactions Photocatalyzed by Zwitterion Ligands Capped CsPbBr3 Perovskite Quantum Dots" Angew. Chem. Int. Ed. 2020, 59, 2-9.
  • Y. Nagaoka, H. Zhu, D. Eggert, and O. Chen* “Single-Component Quasicrystalline Nanocrystal Superlattices through Flexible Polygon Tiling Rule” Science 2018, 362, 1396-1400.
  • Y. Nagaoka, R. Tan, R. Li, H. Zhu, D. Eggert, Y. Wu, Y. Liu, Z. Wang, and O. Chen* “Superstructures Generated from Truncated Tetrahedral Quantum Dots” Nature 2018, 561, 378-382.
  • H. Zhu, Y. Nagaoka, K. Hills-Kimball, R. Tan, L. Yu, Y. Fang, K. Wang, R. Li, Z. Wang, and O. Chen* “Pressure-Enabled Synthesis of Hetero-Dimers and Hetero-Rods through Intraparticle Coalescence and Interparticle Fusion of QD-Au Satellite Nanocrystals” J. Am. Chem. Soc. 2017, 139, 8408-8411.
  • Y. Nagaoka, K. Hills-Kimball, R. Tan, R. Li, Z. Wang, and O. Chen* “Nanocube Superlattices of Cesium Lead Bromide Perovskites and Pressure-Induced Phase Transformation at Atomic and Mesoscale Levels” Advanced Materials, 2017, 29, 1606666.