Name Liu Yongsheng Gender Male Academic Background Doctor degree Graduate School Nankai University Professional Title researcher Administrative Post Department/Institute Institute of Polymer Science Special Talent Address 405 Mengminwei Building, Nankai University, 94 Weijin Road Telephone 15822165632 Email liuys@nankai.edu.cn Research Group Website https://www.researchgate.net/profile/Yongsheng_Liu2 Research Interest Flexible and wearable electronic and optoelectronic devices; Organic/polymeric optoelectronic materials and devices; Organic solar cells; Organic-inorganic hybrid perovskite solar cells; Metal oxide semiconductor materials and applications; Nanomaterials for applications in energy technology; History 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 Honors and Awards (Clarivate) Highly Cited Researcher in the field of Cross-Field - 2018, 2019 Scientific Achievements & Selected Publications Dr. Liu has published over 60 peer-reviewed journal papers with more than 16000 citations. His H-index is 37. 1. 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, DOI: 10.1021/jacs.0c03363. 2. 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. 3. 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, 1901242. 4. Yongsheng Liu and Yongsheng Chen. Integrated Perovskite/Bulk-Heterojunction Organic Solar Cells. Adv. Mater. 2019, 1805843 5. 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. 6. 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. 7. Tingting Liu, Hongtao Lai, Xiangjian Wan, Xiaodan Zhang, Yongsheng Liu*, and Yongsheng Chen*. Cesium Halides-Assisted Crystal Growth of Perovskite Films for Efficient Planar Heterojunction Solar Cells. Chem. Mater. 2018, 30, 5264-5271. 8. Shiqi Dong, Yongsheng Liu*, Ziruo Hong, En-Ping Yao, Pengyu Sun, Lei Meng, Yuze Lin, Jinsong Huang, 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. 9. 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. 10. Letian Dou#, Yongsheng Liu#, Ziruo Hong, Gang Li, Yang Yang. Low-Bandgap Near-IR Conjugated Polymers/Molecules for Organic Electronics. Chemical Reviews, 2015, 115, 12633-12665. (Equal contribution as the first authors) 11. 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. 12. 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. 13. 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. 14. 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. Professional Cultivation 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