1. Huafei Guo, Ningyi Yuan, Jianning Ding, et al. High-Efficiency Sb2Se3 Solar Cells Modified by Potassium Hydroxide, J. Phys. Chem. Lett. 2021, 12, 12352–12359
2. Huafei Guo, Ningyi Yuan, Jianning Ding, et al. Efficiency enhancement of Sb2Se3 solar cells based on electron beam evaporation CdS film with variable deposition temperature, Solar Energy, 2021, 224, 875-882
3. Huafei Guo, Lydia H. Wong; Jianning Ding, et al. Highly efficient and thermally stable Sb2Se3 solar cells based on a hexagonal CdS buffer layer by environmentally friendly interface optimization, Journal of Materials Chemistry C, 2020, 8: 17194-17201.
4. Huafei Guo, Ningyi Yuan, Jianning Ding, et al. Significant increase in efficiency and limited toxicity of a solar cell based on Sb2Se3 with SnO2 as a buffer layer, Journal of Materials Chemistry C, 2019, 7: 14350-14356
5. Huafei Guo, Ningyi Yuan, Jianning Ding, et. al. Enhancement in the Efficiency of Sb2Se3 Thin-Film Solar Cells by Increasing Carrier Concertation and Inducing Columnar Growth of the Grains, Solar RRL, 2019, 3(3): 1800224.
6. Huafei Guo, Ningyi Yuan, Jianning Ding, et al. The Fabrication of Cu2BaSnS4 Thin Film Solar Cells Utilizing a Maskant Layer, Solar Energy, 2019, 181: 301-307.
7. Huafei Guo, Ningyi Yuan, Jianning Ding, et al. The Fabrication of Cd-free Cu2ZnSnS4-Ag2ZnSnS4 Heterojunction Photovoltaic Devices, Solar Energy Materials and Solar Cells, 2018, 178: 146-153.
8. Huafei Guo, Ningyi Yuan, Jianning Ding, et al. Dual Function of Ultrathin Ti Intermediate Layers in CZTS Solar Cells, Sulfur Blocking and Charge Enhancement. Solar Energy Materials and Solar Cells, 2018 175: 20-28.
9. Huafei Guo, Ningyi Yuan, Jianning Ding, et al. Effect of Silicon Doping on Electrical and Optical Properties of Stoichiometric Cu2ZnSnS4 Solar Cells, Physica B: Condensed Matter, 2018, 531: 9-15.
10. Huafei Guo, Ningyi Yuan, Jianning Ding, et al. Effect of ITO Film Deposition Conditions on ITO and CdS Films of Semiconductor Solar Cells, Optik, 2017, 140: 322-330.
11. Huafei Guo, Jianning Ding, Ningyi Yuan, et al. Co-sputtering Deposition and Optical-electrical Characteristic of Cu2CdSnS4 Thin Films for Use in Solar Cells, Materials Letters, 2016, 162: 97-100.
12. Huan Ning, Huafei Guo, Jianning Ding, et al. Enhancing the Efficiency of Sb2S3 Solar Cells Using Dual-functional Potassium Doping, Solar Energy Materials and Solar Cells, 2021, 221: 110816.
13. Jiayi Zhang, Huafei Guo, Jianning Ding, et al. Improving the performance of Sb2Se3 thin-film solar cells using n-type MoO3 as the back contact layer, Solar Energy, 2021, 214, 231-238
14. Qingfei Cang, Huafei Guo, Jianning Ding, et al. Enhancement in the Efficiency of Sb2Se3 Solar Cells by Adding Low Lattice Mismatch CuSbSe2 Hole Transport Layer, Solar Energy, 2020, 199: 19-25.
15. Changhao Ma, Huafei Guo, Jianning Ding, et al. Fabrication of Sb2Se3 Thin Film Solar Cells by Co-sputtering of Sb2Se3 and Se Targets, Solar Energy, 2019 193: 275-282.
16. Xin Wang, Huafei Guo, Jianning Ding, et al. Enhancement of Sb2Se3 Thin-film Solar Cell Photoelectric Properties by Addition of Interlayer CeO2, Solar Energy, 2019, 188: 218-223.
17. Zhiwen Chen, Huafei Guo, Jianning Ding, et al. Efficiency Improvement of Sb2Se3 Solar Cells Based on La-doped SnO2 Buffer Layer, Solar Energy, 2019, 187: 404-410.
18. Xin Wang, Huafei Guo, Jianning Ding, et al. Enhancement in the Efficiency of Sb2Se3 Solar Cells Using a TiO2-modified SnO2 Buffer Layer, Vacuum, 2019, 166: 201-205.
19. Xiaohai Guo, Huafei Guo, Ningyi Yuan, et al. Low-temperature Deposited SnO2 Used as the Buffer Layer of Sb2Se3 Solar Cell, Materials Letters, 2018, 222: 142-145.
20. Changhao Ma, Huafei Guo, Jianning Ding, et al. Fabrication of p-type kesterite Ag2ZnSnS4 thin films with a high hole mobility, Materials Letters, 2017, 186: 390-393.
