| 姓名：徐航勋 教授 单位：中国科学技术大学 邮箱：hxu@ustc.edu.cn |
主要研究方向与成果：
瞄准人工光合成前沿科学挑战，聚焦分子结构设计与光催化机理关键科学问题，结合高通量理论计算与原位谱学技术，开展有机高分子光化学能量转换功能导向结构设计与微观反应机理研究。
取得的学术成果主要有：首次实现了有机高分子四电子过程光催化全解水反应并揭示出高分子表面活性位点催化水分解的微观机理，深刻阐明了高分子局域化学结构调控光化学反应路径的关键机制；提出了构建二维高分子范德华异质结的普适性策略，突破宽光谱吸收导致弱反应驱动力的限制，有效提高光催化全解水反应效率；发展出可电化学聚合有机高分子光催化全解水材料，解决了光电化学全解水器件效率与稳定性难以同时提升的难题，器件稳定性与效率处于领域领先水平。代表性论文：
[1] Hao Cheng, Haifeng Lv, Jun Cheng, Lei Wang, Xiaojun Wu,* Hangxun Xu,* Rational Design of Covalent Heptazine Frameworks with Spatially Separated Redox Centers for High-Efficiency Photocatalytic Hydrogen Peroxide Production, Advanced Materials,2022, 34, 2107480.
[2] Lei Wang, Weitao Lian, Bin Liu, Haifeng Lv, Ying Zhang,* Xiaojun Wu, Tuo Wang, Jinlong Gong,* Tao Chen,* Hangxun Xu,* A Transparent, High-Performance, and Stable Sb2S3 Photoanode Enabled by Heterojunction Engineering with Conjugated Polycarbazole Frameworks for Unbiased Photoelectrochemical Overall Water Splitting Devices, Advanced Materials,2022, 34, 2200723.[3] Ying Zhang, Haifeng Lv, Zhen Zhang, Lei Wang, Xiaojun Wu, Hangxun Xu,* Stable Unbiased Photo-Electrochemical Overall Water Splitting Exceeding 3% Efficiency via Covalent Triazine Framework/Metal Oxide Hybrid Photoelectrodes, Advanced Materials,2021, 33, 2008264.
[4] Liang Chen, Lei Wang, Yangyang Wan, Ying Zhang, Zemin Qi, Xiaojun Wu, Hangxun Xu,* Acetylene and Diacetylene Functionalized Covalent Triazine Frameworks as Metal-Free Photocatalysts for Hydrogen Peroxide Production: A New Two-Electron Water Oxidation Pathway, Advanced Materials,2020, 32, 1904433.