"Zheng Gong,Jianhua  Bao,Keiji Nagai,Tomokazu Iyoda,Takehiro Kawauchi,Piotr Piotrowiak","Generation Dependent Ultrafast Charge Separation and Recombination in a Pyrene-Viologen Family of Dendrons",,"J. Phys. Chem. B","American Chemical Society","Vol. 120","No. 18","pp. 4286-95",2016,Apr.