Figure 3
From: Ionic liquids with reversible photo-induced conductivity regulation in aqueous solution
UV–vis spectra of azobenzene based ionic liquids: [AzoC2MIm]Br ((a) and (b)), [AzoC4MIm]Br ((c) and (d)) and [AzoC6MIm]Br (e and f) in aqueous solutions (3.3 × 10−5 mol L−1) under UV and visible light (indoor natural light) irradiations, respectively.
