Multiphoton Upconversion Fluorescence Properties of Heteroaromatic Push-Pull Polymer
QIAN Ying, YU Wen-Jie, LV Chang-Gui, ZHU Xiao-Qin, CUI Yi-Ping
Acta Phys. -Chim. Sin. . 2009, (06): 1149 -1155 .  DOI: 10.3866/PKU.WHXB20090613