刘小刚，男，博士，副教授，硕士生导师。信阳师范学院优秀教师、河南省优秀科技论文二等奖等。先后入选南湖学者青年人才奖励计划（B类）、南湖学者青年人才奖励计划（A类）。 2017年毕业于中国科学院兰州化学物理研究所，获理学博士学位，同年7月任职信阳师范大学化学化工学院。现任应用化学系主任，曾获信阳师范大学“优秀实习指导老师”、“优秀教师”等荣誉。主要从事半导体纳米催化材料的表界面结构调控及功能设计合成，并研究其在光催化、光电催化制氢、有机污染物降解、CO₂还原等方面的性能及应用研究。在Journal of the American Chemical Society等期刊发表学术论文20余篇，担任ACS Applied Materials & Interfaces、Catalysis Science Technology、iSience等期刊审稿人。

主要研究方向：

1. 半导体纳米复合材料可控构建

2. 半导体光/电催化性能研究

3. C1小分子催化储氢/制氢

4. 能源与环境催化材料

主讲课程：

《物理化学》、《化学电源》、《材料表面与界面化学》、《物理化学实验》

科研项目：

1． 国家自然科学基金青年基金项目1项 （主持结项）；

2．河南省科技攻关项目1项（主持结题）；

3. 教育部重点实验室开放课题1项（主持结题）

4. 国家自然科学基金面上项目1项（参与）。

代表性论文（第一作者）：

1. Xiaogang Liu*, Wenjie Chen, Wei Wang, and et al. PdZn alloys decorated 3D hierarchical porous carbon networks for highly efficient and stable hydrogen production from aldehyde solution, International Journal of Hydrogen Energy, 2021,46(67), 33429-33437.

2. Xiaogang Liu*, Wenjie Chen, and Wei Wang. Highly active and stable hydrogen production by room-temperature formaldehyde oxidation on Fe₂O₃/Pd. Catalysis Science Technology, 2021, 11, 7545-7551.

3. Xiaogang Liu*, Wenjie Chen, Wei Wang and et al. Synergetic polarization effect of protonation and Fe-doping on g-C₃N₄ with enhanced photocatalytic activity. Catalysis Science Technology, 2021, 11, 7125-7133.

4. Xiaogang Liu*, Wenjie Chen, Wei Wang, and et al. F^- regulate the preparation of polyhedral BiVO₄ enclosed by High-Index facet and enhance its photocatalytic activity. Journal of Colloid and Interface Science, 2022, 606, 393-405.

5. Xiaogang Liu*, Xin Zhang, and Wenjie Chen. Pd Nanoparticles Supported on N-Doped TiO₂ Nanosheets: Crystal Facets, Defective Sites, and Metal–Support Interactions Boost Reforming of Formaldehyde Solution for Hydrogen Production. Langmuir 2022, 38, 44, 13532–13542.

6. Xiaogang Liu*, Wenjie Chen, Wei Wang. F^– Serve as Surface Trapping Sites to Promote the Charge Separation and Transfer of TiO₂. ACS Omega 2021, 6, 51, 35799–35809.

7. Xiaogang Liu*, Wenjie Chen, and Xin Zhang. Ti₃AlC₂/Pd Composites for Efficient Hydrogen Production from Alkaline Formaldehyde Solutions. Nanomaterials, 2022, 12(5), 843.

8. Xiaogang Liu*, Wenjie Chen, and Xin Zhang. Highly Active Palladium-Decorated Reduced Graphene Oxides for Heterogeneous Catalysis and Electrocatalysis: Hydrogen Production from Formaldehyde and Electrochemical Formaldehyde Detection. Nanomaterials, 2022, 12(11), 1890.

9. Xiaogang Liu*, Wenjie Chen, and Xin Zhang. Bimetallic Pd–Bi nanocatalysts derived from NaBH₄ reduction of BiOCl and Pd²⁺ and exhibit highly efficient hydrogen production over formaldehyde solution. International Journal of Hydrogen Energy. 2022, 47(76), 32425-32435.

10. Xiaogang Liu*, Yingpu Bi*. Synergistic effect of Ti³⁺ doping and facet regulation over Ti³⁺-doped TiO₂ nanosheets with enhanced photoreactivity. Catalysis Science Technology, 2018, 8, 3876-3882.

11. Xiaogang Liu, Dong G, Li S, et al. Direct Observation of Charge Separation on Anatase TiO₂ Crystals with Selectively Etched {001 Facets[J]. Journal of the American Chemical Society, 2016, 138(9):2917.

12. Xiaogang Liu, Bi Y. In situ preparation of oxygen-deficient TiO₂ microspheres with modified {001} facets for enhanced photocatalytic activity[J]. RSC Advances, 2017, 7(16):9902-9907.

13. Xiaogang Liu*, Guiru Du, and Meng Li. True Photoreactivity Origin of Ti³⁺-Doped Anatase TiO₂ Crystals with Respectively Dominated Exposed {001}, {101}, and {100} Facets. ACS Omega, 2019, 4, 12, 14902–14912.

14. Xiaogang Liu, Wang X, Xing X, et al. Visible light photocatalytic activities of carbon nanotube/titanic acid nanotubes derived-TiO₂, composites for the degradation of methylene blue[J]. Advanced Powder Technology, 2015, 26(1):8-13.