Heyuan Liu, Xinyu Yan, Li Shen, Zhaofeng Tang, Shanshan Liu and Xiyou Li * Color-tunable upconversion emission from a twisted intramolecular charge-transfer state of anthracene dimers via triplet–triplet annihilation. Materials Horizons. ,2019 6, 990-995.

Haitao Zhao, Heyuan Liu, Luyan Guo, Chuangwang Xing, Xiyou Li*. Modification of twin crystal Cd0.5Zn0.5S photocatalyst with up-conversion nanoparticles fo efficient photocatalytic H₂-production. International Journal of Hydrogen Energy 2019, 44, 24559-24571. 

Pengfei Wu, Ruimin Zhu, Heyuan Liu, Baohua Zhao, Yanli Chen and Xiyou Li*, Surface decorating of CH₃NH₃PBr₃ nanoparticles with chemically adsorbed porphyrin, Colloid Polym. Sci. 2019, 297, 595-601.

Shuai Zhao, Baohua Zhao, Yanli Chen, Guangwu Yang* and Xiyou Li*, Enhanced Performance and Stability of Planar Perovskite Solar Cells by Interfacial Engineering using Fluorinated Aliphatic Amines, ACS Appl. Energy Mater. 2019, 2, 6230-6236.

Zhaofeng Tang, Sainan Zhou, Xiangyang Wang, Heyuan Liu, Xinyu Yan, Shanshan Liu, Xiaoqing Lu and Xiyou Li, *, Enhancing the intermolecular singlet fission efficiency by controlling the self-assembly of amphipathic tetracene derivatives in aqueous solution, J. Mater. Chem. C, 2019 , 7, 11090-11098.