Towards understanding low-viscosity poly-α-olefin production from Fischer-Tropsch alpha-olefin-rich distillate by [Al2(Ga/Ti/Zr)xCl7+nx]--based ionic liquids: Lewis acidity and PAO structure - Jinxue He; Chao Huang; Likun Yang; Dan Liu; Hu Li; Aijing Ma; Shiguang Pan; Angui Zhang; Haoxuan Yu; Jianzhou Gui (Fuel, 2026)