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Circular dichroism (CD) and circular polarized luminescence (CPL) are useful for various applications. However, it is difficult to achieve excellent CD and CPL in differently polar solvents simultaneously. This work provides a simple but efficient way to construct violet-blue fluorescent and water-soluble chromophore through the construction of rigid conformation of the alkyne architecture. By introducing...
The nonlinear absorption of an azo-containing ion liquid crystal polymer, in dimethylformamide solution or solid thin film, has been investigated using Z-scan technique. Under the excitation of nanosecond or picosecond pulses at 532nm, the film presents large saturable absorption (SA), while the solution shows reverse saturable absorption. The alteration of nonlinear absorption behavior is due to...
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