Takeshi Hamano, Kensuke Okuda, Tadahiko Mashino, Masaaki Hirobe, Kumi Arakane, Akemi Ryu, Shinrou Mashiko and Tetsuo Nagano
Singlet oxygen production efficiency of several laser-excited fullerene derivatives is compared by measuring the 1268 nm emissions; the efficiency was independent of the kind of addends, but it decreased with an increase in the number of addends, and addends at adjacent positions caused a greater decrease than remote addends.