Heptacyclo[6.6.0.02,6.03,13.04,11.05,9.0
β
Nan-Rong Chiou; Tahsin J Chow; Chong-Yow Chen; Ming-Ann Hsu; Hong-Chuan Chen
π
Article
π
2001
π
Elsevier Science
π
French
β 76 KB
A series of derivatives of the titled compound with donor and acceptor substituents were prepared. Efficient fluorescence quenching was observed for the molecules in which donor and acceptor p-chromophores are coplanar. Charge recombination of the radical ion pairs resulted in broad charge transfer