A Smart Phosphine–Diyne Polymer Displays 'Turn-On' Emission with a High Selectivity for Gold(I/III) Ions
| Autor: | Benjamin W. Rawe, Kerim Samedov, Azalea Uva, Derek P. Gates, Zeyu Han, Harvey K. MacKenzie, Henry T G Walsgrove |
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| Rok vydání: | 2020 |
| Předmět: |
Chemistry
Metal ions in aqueous solution chemistry.chemical_element General Chemistry 010402 general chemistry Photochemistry 01 natural sciences Biochemistry Fluorescence Catalysis 0104 chemical sciences 3. Good health Ion Rhodium chemistry.chemical_compound Colloid and Surface Chemistry Copolymer Density functional theory Selectivity Phosphine |
| Zdroj: | Journal of the American Chemical Society. 142:10319-10324 |
| ISSN: | 1520-5126 0002-7863 |
| DOI: | 10.1021/jacs.0c04330 |
| Popis: | A polymeric phosphine sensor is reported that exhibits bright blue fluorescence in the presence of gold(I/III) ions but is nonemissive with other metal ions. Specifically, solutions of a poly(p-arylenediethynylene phosphine) copolymer are 35 or 94 times more emissive when treated with solutions of (tht)AuCl or HAuCl4·3H2O, respectively. Model compound studies confirm phosphine coordination to metals, including gold(I/III) and rhodium(I), and the selective "turn-on" fluorescence was investigated using time-dependent density functional theory calculations. |
| Databáze: | OpenAIRE |
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