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星状C₆₀（CH₃）_x（PAN）_x共聚物的光致发光研究

Photoluminescence Study of Star-like C₆₀（CH₃ ）_x（PAN）_x Copolymer

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【Author】 Guohong MA,Shixiong QIAN,Yu CHEN-1,Ruifang CAI-1,Taiping ZHAO- 2 and Xuemin YE-2 Department of Physics,Fudan University,200433 Shanghai -1Department of Chemistry,Fudan University,200433 Shanghai -2Department of Physics,Peking University,100871 B

【机构】复旦大学物理系!200433上海；复旦大学化学系!200433上海；北京大学物理系!100871北京；

【摘要】利用物理喷束淀积 (PJD)技术制备 C60 (CH3) x(PAN) x 共聚物的薄膜。这种共聚物中 ,C60 分子位于星状结构的中心 ,聚丙烯腈 (PAN)主链修饰在 C60 分子的周围。吸收及荧光光谱表明 :C60 分子与聚丙烯腈(PAN)有明显的相互作用 ,而且这种相互作用与 PAN的链长有关。C60 分子与 PAN间存在一定的激发传递过程 ,从而导致 PAN荧光的部分猝灭。更多还原

【Abstract】 Thin film of new synthesized C 60(C H 3) x (PAN) x copolymer was fabricated by physical jet deposition (PJD) technique.C 60 molecule lies in the center of the s tar-like copolymers.PAN main chain is modified around the C 60 molecule s.Absorption and photoluminescence spectra show that there are strong interactio n between C 60 molecule and PAN,which depends on the length of PAN chain .Partly excitation transfer process between C 60 molecule and PAN was obs erved,which leads to the fluorescence quenching of the PAN.更多还原