1. 高分子结晶、高分子结构和性能关系。
基于同步辐射光源和散裂中子源，发展原位表征技术，构建模型体系来研究高分子结晶的一些基本问题，包括：(1) 构建受限空间研究高分子结晶的尺寸和界面效应；(2) 研究形变对高分子结晶热力学、晶型转变和微观结构的影响；(3) 研究刚性聚合物的链构象、溶液聚集和结晶结构。2019年获基金委优秀青年科学基金资助。目前任《高分子科学》（英文版）编委。共发表论文110篇，包括Macromolecules 28篇，论文被SCI引用3500余次，H因子35。
(1) Jing Li, Ming Wang, Guangyu Shi, Guoming Liu*, Lei Wang, Dario Cavallo, and Dujin Wang, Cooling Condition Determines the Transition Degree at Saturation of Form II in Isotactic Polybutene-1 Confined within Nanopores, Macromolecules, 2022, 55(16), 7161–7170.
(2) Guoming Liu, Alejandro J. M ller*, Dujin Wang*, Confined Crystallization of Polymers within Nanopores, Accounts of Chemical Research 2021, 54, 3028-3038.
(3) Leire Sangroniz, Bao Wang, Yunlan Su, Guoming Liu*, Dario Cavallo*, Dujin Wang, and Alejandro J. M ller*, Fractionated crystallization in semicrystalline polymers. Progress in Polymer Science, 2021, 115, 101376.
(4) Ricardo A. P rez-Camargo, Leire Meabe, Guoming Liu*, Haritz Sardon, Ying Zhao, Dujin Wang, Alejandro J. M ller*, Even–Odd Effect in Aliphatic Polycarbonates with Different Chain Lengths: from Poly (Hexamethylene Carbonate) to Poly (Dodecamethylene Carbonate). Macromolecules, 2021, 54 (1), 259-271.
(5) Chang Liu, Wenxian Hu, Hanqiu Jiang, Guoming Liu*, Charles C Han, Henning Sirringhaus, Fran？ois Bou *, and Dujin Wang, Chain Conformation and Aggregation Structure Formation of a High Mobility DPP-based Donor-acceptor Conjugated Polymer, Macromolecules, 2020, 53 (19), 8255-8266.
