研究方向：
正电子湮没谱学及其应用；
第一性原理计算及其应用；
主持项目：
基金委青年项目，功能氧化物材料中缺陷演化的正电子湮没技术分析和表征，2012-2014，30万元；
核探测与核电子学国家重点实验室开放课题，32路μSR谱仪探测器的时间性能研究，2017，30万元；
基金委面上项目，有机-无机杂化钙钛矿光电功能材料结构温度依赖特性的正电子谱学研究，2018-2021，74万元；
近期发表文章：
1. Liu Y, Cheng M, He Z, et al. Pothole‐rich Ultrathin WO3 Nanosheets that Trigger N≡ N Bond Activation of Nitrogen for Direct Nitrate Photosynthesis. Angewandte Chemie International Edition, 2019, 58(3): 731-735.
2. Liu S, Liu J, Hou X, et al. Porous Liquid: Stable ZIF-8 Colloid in Ionic Liquid with Permanent Porosity. Langmuir, 2018, 34 (12): 3654–3660.
3. Chen J, Wan Z, Liu J, et al. Growth of Compact CH3NH3PbI3 Thin Films Governed by the Crystallization in PbI2 Matrix for Efficient Planar Perovskite Solar Cells. ACS applied materials & interfaces, 2018, 10 (10): 8649–8658.
4. Zhang J, Fan S, Liu J, et al. Evaluation of point-core approximation effect on the positron energy levels in diamond structure solids. Computational Materials Science, 2018, 141: 75-81.
5. Ge W, Rahman A, Cheng H, et al. Probing the role of cation vacancies on the ferromagnetism of La-doped BiFeO3 ceramics. Journal of Magnetism and Magnetic Materials, 2018, 449: 401-405.
6. Ji X, Chen L, Xu M, et al. Crystal Imperfection Modulation Engineering for Functionalization of Wide Band Gap Semiconductor Radiation Detector. Advanced Electronic Materials, 2017, 1700307.
7. Zhang L, Chen J, Jiang Y, et al. Investigations on variation of defects in fused silica with different annealing atmospheres using positron annihilation spectroscopy. Optical Materials, 2017, 72: 540-544.
8. Ge W N, Li X N, Xu J P, et al. Correlation between ferromagnetism and the concentration of interfacial defects in multiferroic Bi7Fe2.75Co0.25Ti3O21 studied by positron annihilation. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2017, 394: 61-66.
9. Xu H X, Lin J, Li J J, et al. Characterization the microstructure and defects of matrix graphite irradiated with Xe ions. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2017, 406: 638-642.
10. Bai J, Li Y, Liu J, et al. 3D Bi2MoO6 hollow mesoporous nanostructures with high photodegradation for tetracycline. Microporous and Mesoporous Materials, 2017, 240: 91-95.