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New BODIPY compounds containing nitro, diphenylamine and triphenylamine groups were designed and synthesized to enhance two photon absorption properties at NIR region by increasing charge transfer mechanism. Charge transfer mechanisms were investigated with linear absorption, fluorescence and ultrafast pump-probe absorption spectra. Solvents with various polarities were used to better understand the...
A new fluorescent and colorimetric probe based on the reaction and intramolecular charge transfer (ICT) effect is designed and synthesized. The probe responds rapidly toward hydrazine and exhibits distinct color changes from yellow to colorless, indicating its use as a color indicator for hydrazine. Moreover, the probe also shows a significant broad band fluorescence (410–700 nm) enhancement by ∼120-fold...
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