This work was supported by the National Natural Science Foundation of China (No.20925313 and No.60438020), the National Basic Research Program of China (No.2009CB929404), and the Chinese Academy of Sciences Innovation Program (KJCX2-YW-W25).
We have reported previously the ultrafast energy transfer process with a time constant of 0.8 ps from a monomeric to a dimeric subunit within a perylenetetracarboxylic diimide trimer, which was derived indirectly from...