何志群 照片

何志群

教授

所属大学: 北京交通大学

所属学院: 理学院

邮箱:
zhqhe@bjtu.edu.cn

个人主页:
http://faculty.bjtu.edu.cn/sci/7461.html

个人简介

学历: 1990/01-1993/12: 英国 The University of Reading, 博士学位 (PhD)。 1982/09-1985/03: 中国科学技术大学, 硕士学位。 1978/03-1982/07: 中国科学技术大学, 学士学位。 工作经历 2003- 今: 北京交通大学, 理学院光电子技术研究所, 教授, 博导, 从事液晶、发光、太阳能电池等有机聚合物光电子材料与器件的研究. 2000-2002: 英国 Freelight Systems Ltd., Senior Scientist, 从事显示及光电子技术产品设计与开发研究. 1994-1999: 英国 Napier University of Edinburgh, 应用化学和物理科学系(ACPS), Research Fellow, 从事有机聚合物光电子材料与器件、液晶显示材料与器件物理的研究等. 1990-1993: 英国 The University of Reading, J.J. Thomson Physical Laboratory, 博士研究生, 英国 Courtauld 高分子科学奖学金、英国海外学者奖学金(ORS)资助, 从事聚合物物理、液晶分子及其取向研究. 1988-1989: 英国Reading大学, J.J. Thomson物理实验室, 皇家学会资助访问学者, 从事结晶和液晶聚合物凝聚态的研究. 1985-1988: 中国科学院化学研究所, 先后任实习研究员, 助理研究员, 从事功能聚合物的研究与开发工作. 1982-1985: 中国科学技术大学, 硕士研究生, 从事聚丙烯 β-晶型的形成及转化的研究.

研究领域

有机聚合物发光材料与器件、显示技术、照明技术 有机聚合物新能源材料及太阳能光伏电池 盘状液晶材料、分子取向、自组装等有机电子学材料 杂化材料、溶胶凝胶技术及其光电子器件 聚合物物理学及光电子器件

近期论文

1. Qi Song, Chunjun Liang, Huimin Zhang, Chao Ji, Mengjie Sun, Fulin Sun, Xiping Jing, Fangtian You, Yanwu Lu, and Zhiqun He*, "Additional Organic-Solvent-Rinsing Process to Enhance Perovskite Photovoltaic Performance." Adv. Electron. Mater. , 1900244 (2019).

2. Mengjie Sun, Chunjun Liang, Huimin Zhang, Chao Ji, Fulin Sun, Fangtian You, Xiping Jing, and Zhiqun He*, “Tailoring a dynamic crystalline process during the conversion of lead-halide perovskite layer to achieve high performance solar cells” J. Mater. Chem. A, 6 : 24793–24804 (2018).

3. Chao Ji, Chunjun Liang∗, Huimin Zhang, Mengjie Sun, Fulin Sun, Qi Song, Xuewen Zhang, Dan Li, Fangtian You, Zhiqun He∗, “C60-assisted crystal engineering for perovskite solar cells with enhanced efficiency and stability” Org. Electron., 63 : 276–282 (2018).

4 Zebang Guo⁠, Zhiqun He⁠⁠,* Mengjie Sun, Huimin Zhang⁠, Yajun Xu, Xiang Li⁠, Chunjun Liang⁠,* and Xiping Jing⁠, “Exploring photophysical processes in a ternary-blended polymer solar cell.” Polymer, 153 : 398–407 (2018).

5. Xuewen Zhang, Chunjun Liang,* Mengjie Sun, Huimin Zhang, Chao Ji, Zebang Guo, Yajun Xu, Fulin Sun, Qi Song and Zhiqun He*, “Improved fill factor in inverted planar perovskite solar cells with zirconium acetate as the hole-and-ion-blocking layer.” Phys. Chem. Chem. Phys., 20(11) : 7395-7400 (2018).

6. Huimin Zhang, Hong Lin, Chunjun Liang, Hong Liu, Jingjing Liang, Yong Zhao, Wenguan Zhang, Mengjie Sun, Weikang Xiao, Han Li, Stefano Polizzi, Dan Li, Fujun Zhang, Zhiqun He, and Wallace C. H. Choy, “Organic–Inorganic Perovskite Light-Emitting Electrochemical Cells with a Large Capacitance” Adv. Funct.. Mater., 25 : 7226–7232 (2015).

7. Ying Peng, Nir Yaacobi-Gross, Ajay K. Perumal, Hendrik A. Faber, George Vourlias, Panos A. Patsalas, Donal D. C. Bradley, Zhiqun He*, and Thomas D. Anthopoulos*, “Efficient organic solar cells using copper(I) iodide (CuI) hole transport layers” Appl. Phys. Lett., 106(24) : 243302 (2015).

8. Yong Zhao, Chunjun Liang*, Huimin Zhang, Dan Li, Ding Tian, Guobao Li, Xiping Jing, Wenguan Zhang, Weikang Xiao, Qian Liu, Fujun Zhang and Zhiqun He* “Anomalously large interface charge in polarityswitchable photovoltaic devices: an indication of mobile ions in organic–inorganic halide perovskites” Energy & Environ. Sci., 8 (4) : 1256-1260 (2015).

9. Ying Peng, Zhiqun He, Adel Diyaf, Aruna Ivaturi, Zhi Zhang, Chunjun Liang, John I.B. Wilson “Manipulating Hybrid Structures of Polymer/a-Si for Thin Film Solar Cells” Appl. Phys. Lett., 104: 103903 (2014).

10. Huimin Zhang, Chunjun Liang*, Yong Zhao, Mengjie Sun, Hong Liu, Jingjing Liang, Dan Li, Fujun Zhang and Zhiqun He*, “Dynamic interface charge governing the current–voltage hysteresis in perovskite solar cells” Phys. Chem. Chem. Phys, 17(15) : 9613 – 9618 (2015).

11. Huan Zhao, Zhiqun He*, Xiaojin Zhang, Zhi Zhang, Adel Diyaf, Anna H. N. Lind, Chunjun Liang, and John I. B. Wilson* “A preliminary investigation on hybrid photovoltaic cells with organic phthalocyanines and amorphous silicon heterojunction” J. Phys. D: Appl. Phys. 48(19) : 195102 (2015).

12. Zhi Zhang, Zhiqun He, Chunjun Liang, Anna H. N. Lind, Adel Diyaf, Ying Peng, John I.B. Wilson “A preliminary development in hybrid a-silicon/polymer solar cells”, Renew. Energy, 63: 145-152 (2014).

13. Hong Liu, Chunjun Liang*, Huimin Zhang, Mengjie Sun, Jingjing Liang, Xuewen Zhang, Chao Ji, Zebang Guo, Yajun Xu, and Zhiqun He*, "Effects of surface morphology on the ionic capacitance and performance of perovskite solar cells", Jpn. J. Appl. Phys., 56, 090305 (2017).

14. Jingjing Liang, Chunjun Liang, Huimin Zhang, Mengjie Sun, Hong Liu, Chao Ji, Xuewen Zhang, Dan Li and Zhiqun He, “CH3NH3I post-treatment improves the performance of perovskite solar cells via eliminating the impure phases”,Funct. Mater. Lett., 10(4) : 1750049 (2017).

15. Xinping Wang, Zhiqun He*, Chunjun Liang, Hai’an Qiu, and Xiping Jing, “Exploring Photocurrent Output from Donor/Acceptor Bulk-Heterojunctions by Monitoring Exciton Quenching” Chin. Phys. B, 24(6) : 063301 (2015).

16. Zhi Zhang, Zhiqun He*, Min Xu, Chunjun Liang, “Enhancement of polymer photovoltaic performances by doping with modified carbon black nanoparticles” Appl. Phys. A, 120(2) : 601–607 (2015).

17. Dan Li, Chunjun Liang, Huimin Zhang, Chunxiu Zhang, Fangtian You, and Zhiqun He*, “Spatially separated charge densities of electrons and holes in organic-inorganic halide perovskites” J. Appl. Phys, 117, 074901 (2015).

18. Kai Sun, Zhiqun He*, and Chunjun Liang, “Effect of multiple temperature-step annealing on the performances of polymer solar cells”, Acta Phys. Sin. 63(4) : 048801 (2014).

19. Yong Zhao, Chunjun Liang*, Mengjie Sun, Qian Liu, Fujun Zhang, Dan Li, and Zhiqun He “Effect of doping on the short-circuit current and open-circuit voltage of polymer solar cells” J Appl. Phys, 116, 154506 (2014).

20. Qian Liu, Zhiqun He*, Chunjun Liang, Yong Zhao, WeiKang Xiao, Dan Li, “Effect of crystallinity of fullerene derivatives on doping density in the organic bulk heterojunction layer in polymer solar cells ” Chin. Phys. Lett. 32(5) : 056801 (2015).