Semiconductor optoelectronics; semiconductor luminescent materials and spectroscopy

Fabrication of organic and inorganic nanocrystal optoelectronic materials and devices

Dynamics of photoexcited states and photoelectric conversion in organic and inorganic nanocrystal optoelectronic materials and devices

Research Projects:

National Key R&D Programme (2024YFA408500), “New Spin Current Effects in Magnetic Microstructures: Characteristics, Control and Prototype Devices” – Sub-project 2: Generation and Control of Ultrafast Spin Currents and Orbital Currents, Jan. 2025 – Dec. 2029, participant.

NSFC General Project (62074079), “Photoexcited States in 2D Organic-Inorganic Metal Halide Perovskite Thin Films”, Jan. 2021 – Dec. 2024, completed, Principal Investigator.

NSFC General Project (61874056), “Optical Response of Photoexcited State Spins in Organic-Inorganic Hybrid Perovskite Semiconductors”, Jan. 2019 – Dec. 2019, completed, Principal Investigator.

NSFC Major Research Instrumentation Development Project (61627802), “Development of Broadband Molecular Rotational Spectroscopy”, Jan. 2017 – Dec. 2021, completed, participant.

NSFC General Project (61574078), “Photoexcited States in Organic Metal Halide Perovskite Thin Films”, Jan. 2016 – Dec. 2019, completed, Principal Investigator.

Education:

Sept. 1992 – Jul. 1997: B.Sc., Department of Physics, Fudan University

Sept. 1997 – Jul. 2000: M.Sc., Department of Physics (State Key Laboratory of Applied Surface Physics), Fudan University

Aug. 2000 – Dec. 2005: Ph.D., Department of Physics and Astronomy, University of Utah, USA

Work Experience:

Jan. 2006 – Jun. 2006: Postdoctoral Fellow, Department of Physics and Astronomy, University of Utah

Jul. 2006 – Feb. 2009: Postdoctoral Fellow, College of Optical Sciences, University of Arizona

Mar. 2009 – Apr. 2015: Associate Professor, School of Electronic Engineering and Optoelectronic Technology, Nanjing University of Science and Technology

May 2015 – Sept. 2021: Professor, School of Electronic Engineering and Optoelectronic Technology, Nanjing University of Science and Technology

Oct. 2021 – present: Professor, Department of Optical Science and Engineering, Fudan University

University Physics B (Part 2)

2024

1) Tao Li, Bin Li, Haoxiang Zhou, Jun Wang, Gang Ni, Wanli Ma*, ChuanXiang Sheng* , Jianyu Yuan*, and Haibin Zhao*, Ultrafast Exciton Dissociation in Block Copolymer towards Efficient Single Material Organic Solar Cells, Advanced Functional Materials, 34 (8), 2311798 (2024)

2) Pingyuan Yan, Wei Zhang, C. Wang, Z. Wu, M. Zhu, Heng Li, ChuanXiang Sheng* , Acetamidinium based 2D alternating cation perovskite for efficient solar cells, Journal of Alloys and Compounds 977 , 173298 (2024)

3) Yan, X., Liu, T., Yan, P., Liang, B., Cui, M., and ChuanXiang Sheng *, Optical properties of two-dimensional perovskite single crystal of (C6H5C2H4NH3) 2PbI4 . Optical Materials, 149, 115081 (2024) .

4) Tao Song, Cheng-Qiang Wang, Haolin Lu, Xi-Jiao Mu, Bo-Long Wang, Ji-zhong Liu, Bo Ma, Jing Cao, Chuan-Xiang Sheng , Guankui Long, Qiang Wang, Hao-Li Zhang, Achieving Strong Circularly Polarized Luminescence through Cascade Cationic Insertion in Lead ‐ free Hybrid Metal Halides, Angewandte Chemie International Edition, e202400769 (2024)

5) Xudan Zhu, Weiming Liu, Chuanxiang Sheng , Chunxiao Cong, Xin Chen, Hongyu Tang, Yi Luo, Shaojuan Li, Junhao Chu, Rongjun Zhang, Toward Broadband Photodetection: Band Alignment and Interlayer Charge Transfer in 2D Transition Metal Dichalcogenides/3D-Ga2O3 Hybrid-Dimensional Heterostructures, ACS Applied Materials & Interfaces, 16 (12), 15446–15456 (2024)

6) Chengqiang Wang, Tao Song, Muyan Zhu, Pingyuan Yan, Zihan Wu, Heng Li, Haibin Zhao*, ChuanXiang Sheng *, Ultrafast transient absorption spectroscopy of 14 and 2.1 nm CsPbBr3 nanoparticles: Free carrier vs exciton , Applied Physics Letters 124 (8), 081104 (2024)

7) Chen Liu, Jun-Cheng Jin, Yi-Ke Xiao, Xin-Xin Wang, Ping-Yuan Yan, Yan-Qiang Cao, Li-Yong Jiang, ChuanXiang Sheng* and Ye-Feng Yu*, Graphene oxide/Al2O3-based diffusive memristor cells: enabling robust crossbar arrays for multidisciplinary applications , Rare Metals 43, 3997-4005 (2024)

8) Y Zhang, Chuanxiang Sheng *, P Yan, Z Zhu, Y Gan, Effects of water additive and moisture on the performance of Dion-Jacobson perovskite [C6H4 (CH2NH3) 2](CH2NH3) 3Pb4I13 solar cells , - Materials Science and Engineering: B, 305, 117423 (2024)

9) Y . Xiao, W. Sun, C. Gao, J. Jin, Muhammad Siraj, P. Yan, F. Sun, X. Zhang, Qi Wang, Wei Huang, Chuanxiang Sheng* and Ye Feng Yu* ， Neural Functions Enabled by a Polarity-Switchable Nanofluidic Memristor, Nano Letters, 24 (40), 12515–12521 (2024)

2023

1) Pingyuan Yan, Tao Li, Haoxiang Zhou, Shu Hu, Chenhong Xiang, Yang Zhang, Chengqiang Wang, Zihan Wu, Heng Li, Haibin Zhao* and ChuanXiang Sheng* Comparing between steady-state excitonic transitions and ultrafast polaronic photoexcitations in layered perovskites: the role of electron–phonon interaction , Nanophotonics 12( 11), 1965-1977 (2023)

2) C Wang, T Song, P Yan, S Hu, C Xiang, Z Wu, H Li, H Zhao*, L Han*, ChuanXiang Sheng* , Observation of electron–phonon coupling and linear dichroism in PL spectra of ultra-small CsPbBr3 nanoparticle solution , eScience, 100185 (2023)

3) Tao Li, Bin Li, Haoxiang Zhou, Jun Wang, Gang Ni, Wanli Ma*, Chuanxiang Sheng* , Jianyu Yuan*, and Haibin Zhao*, Ultrafast Exciton Dissociation in Block Copolymer towards Efficient Single Material Organic Solar Cells, Advanced Functional Materials 2311798 (2023)

4) Pingyuan Yan, Shu Hu, Heng Li, Wenhua Gu*, ChuanXiang Sheng* ， Efficient Solar Cell Based on Semitransparent Film of Two-Dimensional Alternating Cation Perovskite ， IEEE Journal of Photovoltaics, 13 (1), 70-76 (2023)

5) P. Yan, C. Xiang, Z. Wu, C. Wang, H. Li, ChuanXiang Sheng *, Methylammonium chloride or guanidinium chloride as an additive to improve performance of 2D alternating cation perovskite solar cells: A direct comparison , Journal of Alloys and Compounds 933 , 167671 (2023)

6) Z Wu, P Yan, S Hu, B Yang, C Wang, C Xiang, H Li, ChuanXiang Sheng* , Effects of spin-coating speed and precursor concentration in Formamidinium-based layered perovskite films , Optical Materials 142 , 114102 (2023)

Before 2022

7) Shu Hu, Yongtao Huang, Yang Zhang, Pingyuan Yan, Heng Li, and ChuanXiang Sheng* , Slow Hot-Carrier-Cooling in a 2D Lead-Iodide Perovskite Film and Its Photovoltaic Device , J . Phys. Chem. C 126 , 5 , 2374–2382 (2022) (Cover Article)

8) Yang Zhang, Zeyang Wang, Shu Hu, Pingyuan Yan, Heng Li and ChuanXiang Sheng*,

Robust and Swiftly Reversible Thermochromic Behavior of a 2D Perovskite of C 6 H 4 (CH 2 NH 3 ) 2 )(CH 3 NH 3 )[Pb 2 I 7 ] for Smart Window and Photovoltaic Smart Window Applications, ACS Applied Materials & Interfaces 13 (10) , 12042–12048 ( 2021)

9) Shuyan Liang, Siying Li, Yannan Zhang, Tao Li, Haoxiang Zhou, Feng Jin, Chuanxiang Sheng* , Gang Ni, Jianyu Yuan*, Wanli Ma*, Haibin Zhao* , Efficient Hole Transfer via Delocalized Excited State in Small Molecular Acceptor: A Comparative Study on Photodynamics of PM6: Y6 and PM6: ITIC Organic Photovoltaic Blends , Advanced Functional Materials, 31 (34), 2102764 (2021)

10) ChuanXiang Sheng , K.H. Kim, M. Tong, C. Yang, H. Kang, Y.W. Park, and Z.V. Vardeny* ， “Ultrafast Transient Spectroscopy of Trans-Polyacetylene in the Midinfrared Spectral Range ” ， Phys. Rev. Lett. 124 , 017401 (2020)

11) Yang Zhang, Ruizhi Wang, Yezhou Li, Zeyang Wang, Shu Hu, Xiaoliang Yan, Yaxin Zhai, Chuang Zhang, ChuanXiang Sheng* , “ Optical Properties of Two Dimensional Perovskite Films of (C 6 H 5 C 2 H 4 NH 3 ) 2 [PbI 4 ] and (C 6 H 5 C 2 H 4 NH 3 ) 2 (CH 3 NH 3 ) 2 [Pb 3 I 10 ]”, J. Phys. Chem. Lett., 10 , 13-19 (2019)

12) Ruizhi Wang, Shu Hu, Xiao Yang, Xiaoliang Yan, Heng Li, and ChuanXiang Sheng*, “ Circularly polarized photoluminescence and Hanle effect measurements of spin relaxation in organic–inorganic hybrid perovskite film” J. Mater. Chem. C 6 , 2989 - 2995 (2018)

13) Feng Jin, Jianyu Yuan, Wenping Guo, Yalong Xu, Yannan Zhang, Chuanxiang Sheng* , Wanli Ma*, Haibin Zhao*, “Improved Charge Generation via Ultrafast Effective Hole‐Transfer in All‐Polymer Photovoltaic Blends with Large Highest Occupied Molecular Orbital (HOMO) Energy Offset and Proper Crystal Orientation ”, Advanced Functional Materials 28 (31) , 1801611 (2018)

14) Yuchen Wang, Shu Hu, Xiao Yang, Ruizhi Wang, Heng Li, and Chaunxiang Sheng*, “ Evanescent-wave pumped single-mode microcavity laser from fiber of 125 μm diameter ”, Photonics Research, 6 , 332-338 (2018)

15) Y Zhai, S Baniya, C Zhang, J Li, P Haney, C .- X . Sheng * , E Ehrenfreund, Z.V. Vardeny*, Giant Rashba splitting in 2D organic-inorganic halide perovskites measured by transient spectroscopies , Science Advances 3 (7) , e1700704 (2017)

16) Yuchen Wang, Xiao Yang, Heng Li, and Chuanxiang Sheng* , “ Bright single mode random laser from a concentrated solution of p -conjugated polymers” , Optics Letters, 41(2) , 269-272 (2016)

17) W. Guo, J. Yuan, H. Yuan, F. Jin, L. Han, C huanXiang Sheng * , Wanli Ma * and Haibin Zhao * (2015), Ultrafast Electron Transfer in Low-Band Gap Polymer/PbS Nanocrystalline Blend Films . Advanced Functional Materials 26 , 713-721 (2016)

18) Yaxin Zhai † , ChuanXiang Sheng † , Chuang Zhang, and Z. V. Vardeny, “Ultrafast Spectroscopy of Photoexcitations in Organometal Trihalide Perovskites” Advanced Functional Materials 26 (10) , 1617-1627 (2016) ( † contributed equally ）

19) Xiao Yang, Xiaoliang Yan, Wei Wang, Xiangxiang Zhu, Heng Li, Wanli Ma*, and ChuanXiang Sheng* , Light induced metastable modification of optical properties in CH3NH3PbI3-xBrx perovskite films: Two-step mechanism, Organic Electronics, 34 , 79-83(2016),

20) ChuanXiang Sheng , Chuang Zhang, Yaxin Zhai, Kamil Mielczarek, Weiwei Wang, Wanli Ma, Anvar Zakhidov, and Z. Valy Vardeny *, E citons versus Free Carriers Photogeneration in Organometal Trihalide Perovskites Probed by Broadband Ultrafast Polarization Memory Dynamics” Physical Review Letters, 114 , 116601(2015)

21) C. Zhang † , D. Sun ,† , C-X. Sheng † , Y. X. Zhai, K. Mielczarek, A. Zakhidov, and Z. V. Vardeny* , " Magnetic field effects in hybrid perovskite devices " Nature Physics 11 , 427-434 (2015) ( † contributed equally ）

22） C. -X. Sheng , M. Tong, S. Singh and Z. V. Vardeny, Experimental Determination of Charge/Neutral Branching Ratio in p -Conjugated Polymers by Broad-band Ultrafast Spectroscopy Phy s . Rev. B 75 , 085206 (2007)

23) C. -X. Sheng and Z. V. Vardeny, Comment on “large Optical Nonlinearity of Semiconducting Single-Walled Carbon Nanotubes under Resonant Excitations”. Phys. Rev. Lett. 96 , 019705 (2006)

24) T. Drori, C. -X. Sheng , A. Ndobe, S. Singh, and Z. V. Vardeny , Below-gap excitation of p-conjugated polymer/fullerene blends; implications for bulk heterojunctions organic solar cells Phys. Rev. Lett. 101 , 037401 (2008)

25) O.J. Korovyanko, C. -X. Sheng , Z.V. Vardeny, Z.V., A.B. Dalton, and R.H. Baughman , Ultrafast spectroscopy of excitons in single-walled carbon nanotubes . Phys. Rev. Lett. 92 , 017403 (2004)