• 半导体光电子学  半导体发光材料和光谱

• 有机和无机纳米晶光电材料和器件的制备

• 有机和无机纳米晶光电材料和器件中光激发态和光电转换的动力学研究

科研项目

• 1. 国家自然科学基金委员会，面上项目，62074079，二维有机金属卤化物钙钛矿薄膜中的光激发态研究， 2021/01-2024/12, 61万，在研，主持

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• 2. 国家自然科学基金委员会，面上项目，61874056，有机无机杂化钙钛矿半导体中光激发态自旋的光学响应研究， 2019/01-2019/12, 16万，结题，主持

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• 3. 国家自然科学基金委员会，重大科研仪器研制项目，61627802， 宽带分子转动光谱的研制，2017/01-2021/12，693万，在研，参加

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• 4. 国家自然科学基金委员会，面上项目，61574078， 有机金属卤化物钙钛矿薄膜中的光激发态研究，2016/01-2019/12，65万，结题，主持

大学物理B(下）

2023年

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)

2022年之前

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) (内封面文章)

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 C₆H₄(CH₂NH₃)₂)(CH₃NH₃)[Pb₂I₇] 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 (C₆H₅C₂H₄NH₃)₂[PbI₄] and (C₆H₅C₂H₄NH₃)₂(CH₃NH₃)₂[Pb₃I₁₀]”, 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, ChuanXiang 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*, Ecitons 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  Phys. 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)