Carbanions. Electron transfer vs. proton capture. 4. Products of base-catalyzed reactions of various 9-substituted fluorenes with aromatic nitro compounds
Carbanions. Electron transfer vs. proton capture. 4. Products of base-catalyzed reactions of various 9-substituted fluorenes with aromatic nitro compounds
作者:Robert D. Guthrie、David P. Wesley、George W. Pendygraft、Ainslie T. Young
DOI:10.1021/ja00435a020
日期:1976.9
Charge-transfer or excimeric state? Exploring the nature of the excited state in cofacially arrayed polyfluorene derivatives
作者:Ainur Abzhanova、Lena V. Ivanova、Denan Wang、Tushar S. Navale、Sameh H. Abdelwahed、Maxim V. Ivanov、Sergey Lindeman、Rajendra Rathore、Scott A. Reid
DOI:10.1016/j.jphotochem.2019.01.030
日期:2019.4
electron-donating group is covalently attached. In this work, we probe the nature of the excited state in a series of cofacially arrayed polyfluorene derivatives with electron-rich aromatic donor attached via a methylene linker. Our studies show that in all cases excimer formation is energetically favorable, and promotion of a charge-transfer state in such systems is possible but requires a free energy for electron