Address: 405 Mengminwei Building, Nankai University, 94 Weijin Road 

Telephone: 15822165632

Website: https://www.x-mol.com/groups/liu_yongsheng

Research Interest: 

Flexible and wearable electronic and optoelectronic devices;

2009 Ph.D. in organic chemistry, Key Laboratory of Functional Polymer Materials, Nankai University
2009-2011 Postdoctoral Scholar, School of Physics, Nankai University
2011-2015 Postdoctoral Scholar, Department of Materials Science and Engineering, University of California, Los Angeles
2015-2016 Staff Research Associate and Assistant Researcher,Department of Materials Science and Engineering, University of California, Los Angeles
2016-Present Principal Investigator (PI), Professor, College of Chemistry, Nankai University
 

Dr. Liu has published over 70 peer-reviewed journal papers with more than 16000 citations. His H-index is 37.

1.  Guangwei Lv,# Ling Li,# Di Lu,# Zhiyuan Xu, Yixin Dong, Qiaohui Li, Zhitao Chang, Wan-Jian Yin,* and Yongsheng Liu*. Multiple-Noncovalent-Interaction-Stabilized Layered Dion−Jacobson Perovskite for Efficient Solar Cells. Nano Lett. 2021, 21, 5788–5797. 

2. Tingting Liu#, Jiahao Guo#, Di Lu, Zhiyuan Xu, Qiang Fu, Nan Zheng, Zengqi Xie, Xiangjian Wan, Xiaodan Zhang, Yongsheng Liu*, and Yongsheng Chen. Spacer Engineering Using Aromatic Formamidinium in 2D/3D Hybrid Perovskites for Highly Efficient Solar Cells. ACS Nano 2021, 15, 7811–7820.

3. Hongtao Lai, Di Lu, Zhiyuan Xu, Nan Zheng, Zengqi Xie, and Yongsheng Liu*. Organic-Salt-Assisted Crystal Growth and Orientation of Quasi-2D Ruddlesden–Popper Perovskites for Solar Cells with Efficiency over 19%. Adv. Mater. 2020, 32, 2001470.

4. Di Lu#, Guangwei Lv#, Zhiyuan Xu, Yixin Dong, Xiaofei Ji, and Yongsheng Liu*. Thiophene-based Two-Dimensional Dion–Jacobson Perovskite Solar Cells with over 15% Efficiency. J. Am. Chem. Soc. 2020, 142, 11114−11122. 

5. Yixing Dong, Di Lu, Zhiyuan Xu, Hongtao Lai, Yongsheng Liu*, 2-Thiopheneformamidinium-Based 2D Ruddlesden-Popper Perovskite Solar Cells with Efficiency of 16.72% and Negligible Hysteresis. Adv. Energy Mater. 2020, 10, 2000694.

6. Zhiyuan Xu, Di Lu, Feng Liu, Hongtao Lai, Xiangjian Wan, Xiaodan Zhang, Yongsheng Liu*, and Yongsheng Chen. Phase Distribution and Carrier Dynamics in Multiple-Ring Aromatic Spacers-Based Two-Dimensional Ruddlesden-Popper Perovskite Solar Cells. ACS Nano, 2020, 14, 4871-4881.

7. Yongsheng Liu and Yongsheng Chen*. Integrated Perovskite/Bulk-Heterojunction Organic Solar Cells. Adv. Mater. 2020, 32, 1805843.

8. Tong Zhou, Hongtao Lai, Tingting Liu, Di Lu, Xiangjian Wan, Xiaodan Zhang, Yongsheng Liu*, and Yongsheng Chen*. Highly Efficient and Stable Solar Cells based on Crystalline Oriented 2D/3D Hybrid Perovskite. Adv. Mater. 2019, 31, 1901242.

9. Hongtao Lai, Bin Kan, Tingting Liu, Nan Zheng, Zengqi Xie, Tong Zhou, Xiangjian Wan, Xiaodan Zhang, Yongsheng Liu*, and Yongsheng Chen*. Two-dimensional Ruddlesden–Popper Perovskite with Nanorod-like Morphology for Solar Cells with Efficiency Exceeding 15%. J. Am. Chem. Soc. 2018, 140, 11639-11646.

10. Dongxue Liu#, Bin Kan#, Xin Ke, Nan Zheng, Zengqi Xie, Di Lu, and Yongsheng Liu*. Extended Conjugation Length of Nonfullerene Acceptors with Improved Planarity via Noncovalent Interactions for High-Performance Organic Solar Cells. Adv. Energy Mater. 2018, 8, 1801618. 

11. Shiqi Dong#, Yongsheng Liu#, *, Ziruo Hong, En-Ping Yao, Pengyu Sun, Lei Meng, Yuze Lin, *************, Gang Li, and Yang Yang*. Unraveling the High Open Circuit Voltage and High Performance of Integrated Perovskite/Organic Bulk-Heterojunction Solar Cells. Nano Lett. 2017, 17, 5140-5147.

12. Yongsheng Liu, Ziruo Hong*, Qi Chen, Huajun Chen, Wei-Hsuan Chang，Yang (Michael) Yang, Tze-Bin Song, Yang Yang*. Perovskite Solar Cells Employing Dopant-Free Organic Hole Transport Materials with Tunable Energy Levels. Adv. Mater., 2016, 28, 440-446.

13. Yongsheng Liu, Ziruo Hong, Qi Chen, Weihsuan Chang, Huanping Zhou, Tze-Bin Song, Eric Young, Yang (Michael) Yang, Jingbi You, Gang Li and Yang Yang*. Integrated Perovskite/Bulk-Heterojunction toward Efficient Solar Cells. Nano Lett. 2015, 15, 662-668.

14. Yongsheng Liu, Yang (Michael) Yang, Chun-Chao Chen, Qi Chen, Letian Dou, Ziruo Hong, Gang Li and Yang Yang*. Solution Processed Small Molecules Using Different Electron Linkers for High Performance Solar Cells. Adv. Mater., 2013, 25, 4657-4662.

15. Yongsheng Liu, Xiangjian Wan*, Fei Wang, Jiaoyan Zhou, Guankui Long, Jianguo Tian, Yongsheng Chen*. High Performance Solar Cells using a Solution Processed Small Molecule Containing Benzodithiophene Unit. Adv. Mater., 2011, 23, 5387-5391.

16. Yongsheng Liu, Xiangjian Wan*, Fei Wang, Jiaoyan Zhou, Guankui Long, Jianguo Tian, Jingbi You, Yang Yang, and Yongsheng Chen*. Spin-coated Small Molecules for High Performance Solar Cells. Adv. Energy Mater., 2011, 1, 771-775.

Research group at Nankai University focusing on organic and hybrid electronics. Welcome to join us as postdocs or Ph.D. students. Please send your Resume/CV and three reference letters to me if you are interested. Email: liuys@nankai.edu.cn