刘成延，博士，河南大学黄河学者,主要从事多元半导体晶界、位错、界面和缺陷性质的理论研究。近些年在Nature、Nano Lett.、Adv. Energy Mater.、 Phys. Rev. B、 JMCA、APL和Solar RRL在内的期刊发表论文24篇。
教育及工作经历：
2020年-至今，河南大学黄河学者
2017年-2019年，美国加州大学欧文分校天文物理系，博士后
2014年-2017年，复旦大学物理系，研究生/博士
2011年-2014年，郑州大学物理系，研究生/硕士
2007年-2011年，郑州大学物理系，本科/学士
主持科研项目：
国家自然科学基金青年基金项目和河南省高等学校重点科研项目。
教授课程：
《高等量子力学》课程。
代表性论文：
1. Xingxu Yan, Chengyan Liu, Chaitanya A. Gadre, Lei Gu, Toshihiro Aoki, Tracy C. Lovejoy, Niklas Dellby, Ondrej L. Krivanek, Darrell G. Schlom, Ruqian Wu, Xiaoqing Pan, “Single-defect phonons imaged by electron microscopy”, Nature, 2021, 589, 65.
2. Cheng-yan Liu, Zhi-ming Li, Hong-yang Gu, Shi-you Chen, Hongjun Xiang, Xin-gao Gong, “Sodium Passivation of the Grain Boundaries in CuInSe2 and Cu2ZnSnS4 for High-Efficiency Solar cells”, Adv. Energy Mater. 2017, 1601457
3. Xingxu Yan#, Chengyan Liu#, Chaitanya A. Gadre, Sheng Dai, Lei Gu, Kehang Yu, Toshihiro Aoki, Ruqian Wu, & Xiaoqing Pan, “Unexpected strong thermally-induced phonon energy shift in SiC”, Nano Lett., 2019, 19, 7494−7502.
4. Cheng-yan Liu, Yue-yu Zhang, Yu-sheng Hou, Shi-you Chen, Hong-jun Xiang, Xin-gao Gong, “Self-passivation rule and structure of CdTe ∑3 (112) grain boundaries”, Phys. Rev. B, 2016, 93, 205426
5. Ke Zhao, Huiwen Xiang, Yingru Cui, Rui Zhu, Chengyan Liu*, Yu Jia, “Li-based selenized Cu2ZnSnS4 surface: Possible route to overcoming Voc-deficit of kesterite solar cells”, Appl. Phys. Lett., 2021, 118, 252106
6. Ke Zhao, Huiwen Xiang, Rui Zhu, Chengyan Liu*, Yu Jia, “Passivation principle of deep-level defects: a study of SnZn defects in kesterites for high-efficient solar cells”, J. Mater. Chem. A, 2022, 10, 2849.
7. Hanzhen Liang, Huiwen Xiang, Rui Zhu, Chengyan Liu*, Yu Jia, “Structural stability and defect-tolerance of ionic spinel semiconductor for high-efficiency solar cells”, J. Mater. Chem. A, 2021, 9, 14566.
8. Yingru Cui, Ke Zhao, Chengyan Liu*, Huiwen Xiang, Hanzhen Liang, Yu Jia, “Band edge engineering for the improvement of open-circuit voltage: Ag-based selenized Cu2ZnSn(SSe)4 surface regulated by lithium”, Solar RRL, 2021, 2000631.
9. Huiwen Xiang, Jinping Zhang, Hanzhen Liang, Rui Zhu, Chengyan Liu*, Yu Jia, “Optimizing the Back Contact of Kesterites and Perovskites: Band Edge Design and Defect Engineering in Molybdenum Chalcogenides”, Adv. Sustainable Syst., 2022, 2100457.
邮箱：cyliu@henu.edu.cn
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