2018
DOI: 10.1016/j.jphotochem.2018.06.009
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A highly selective fluorescent probe for Cu2+ based on a diarylethene with a benzo[1,2,5]oxadiazol-4-ylamine Schiff base unit

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Cited by 18 publications
(3 citation statements)
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“…Photochromic molecules have received significant attention for Cu 2+ detection, with probes generally based on photochromic diarylethene. These probes operate via two main mechanisms: (1) coupling diarylethene with oxygen-containing aromatic dyes like fluorescein or rhodamine, where Cu 2+ induces the opening of the dye’s spirocyclic ring, enhancing fluorescence [ 137 , 138 ], and (2) linking diarylethene with specific ligands to create photo-controlled fluorescent probes where copper coordination changes the probe’s fluorescent properties [ 139 , 140 , 141 , 142 ].…”
Section: Applications Of Photoswitchable Fluorescent and Colorimetric...mentioning
confidence: 99%
“…Photochromic molecules have received significant attention for Cu 2+ detection, with probes generally based on photochromic diarylethene. These probes operate via two main mechanisms: (1) coupling diarylethene with oxygen-containing aromatic dyes like fluorescein or rhodamine, where Cu 2+ induces the opening of the dye’s spirocyclic ring, enhancing fluorescence [ 137 , 138 ], and (2) linking diarylethene with specific ligands to create photo-controlled fluorescent probes where copper coordination changes the probe’s fluorescent properties [ 139 , 140 , 141 , 142 ].…”
Section: Applications Of Photoswitchable Fluorescent and Colorimetric...mentioning
confidence: 99%
“…A photochromic diarylethene-conjugated Schiff base entity was synthesised by Pu et al in 2018. 201 Probe- 88 was extensively studied for the photochromic properties and fluorescence sensing of various metal ions, acids and bases in ACN. Upon addition of Cu( ii ) ions to probe- 88 , the fluorescence band gradually enhanced with 90-fold intensity and shifted to a blue region for 56 nm, and emission color alterations from dark red to brick red, due to the restriction of CN isomerisation and enhancement of the CHEF process (Fig.…”
Section: Schiff Base-based Fluorescent Turn-on Probes For Cu(ii) Ionsmentioning
confidence: 99%
“…The fluorescence of a diarylethene molecule can be controlled by modulating its molecular conformation through external stimuli, such as light or analyte interactions. Gao et al reported probe-19, shown in Figure 7a, which is a Schiff base receptor based on a diarylethene with benzo [1,2,5] oxadiazol-4-ylamine, prepared in a two-step reaction to track Cu 2+ [83]. Probe-19 detects Cu 2+ in a turn-on reaction with a 90-fold increase in emission intensity, accompanied by a color change from dark red to bright red.…”
Section: Schiff Bases As Chemosensors For Cu 2+mentioning
confidence: 99%