grade carbazole, p-bromonitrobenzene, copper iodide,
1,10-phenantroline, potassium
carbonate, hydrazine monohydrate, pyridine, acetic anhydride, cesium
carbonate, palladium on charcoal, tetrabutyl ammonium hexafluorophosphate
(TBAPF6), FeCl3, 4-iodoaniline, 4-iodobenzoic
acid, Cu2O, and 1,4,5,8-naphthalenetetracarboxylic dianhydride
were purchased from Sigma-Aldrich and were used as-received. Reagent
grade 1,2-cyclohexane anhydride and 1,2,4,5-cyclohexane dianhyride
were purchased from TCI Co., Ltd. and used as-received. Amino-phenyl
carbazole (
use. Compound
esterification of p-iodobenzoic acid followed by
cuprous oxide mediated carbazole coupling (
UV/vis
absorption spectroscopy, electrochemistry, in situ UV/vis absorption,
and resonance Raman spectroelectrochemical experiments were conducted
in spectroscopic (UVASOL) grade dichloromethane (Merck).