Category: phthalazines. I found the field of Materials Science; Optics very interesting. Saw the article Water-Stable Lanthanide Coordination Polymers with Triple Luminescent Centers for Tunable Emission and Efficient Self-Calibration Sensing Wastewater Pollutants published in 2020.0, Reprint Addresses Gao, EJ (corresponding author), Univ Sci & Technol Liaoning, Sch Chem Engn, Anshan 114051, Liaoning, Peoples R China.; Gao, EJ; Wu, SY (corresponding author), Shenyang Univ Chem Technol, Key Lab Inorgan Mol Based Chem Liaoning Prov, 11th St, Shenyang 110142, Liaoning, Peoples R China.; Gao, EJ; Wu, SY (corresponding author), Shenyang Univ Chem Technol, Lab Coordinat Chem, 11th St, Shenyang 110142, Liaoning, Peoples R China.. The CAS is 62-23-7. Through research, I have a further understanding and discovery of 4-Nitrobenzoic acid.
Conventional luminescent sensors relying on single emission responsive to analytes demonstrate limited sensitivity and selectivity and developing novel self-calibration probes is highly required. A series of water-stable coordination polymers (CPs) with three emitting centers for tunable emissions is reported. They are facilely synthesized by simultaneously doping red-emitting Eu3+ and green-emitting Tb3+ into the same framework. The versatile Eu0.67Tb0.33-CP is applied to conveniently distinguishing different nitroaromatics pollutants and multidimensional ratiometric sensing CrO42-/Cr2O72-. Specific nitroaromatics can cause unique changes to the ligand -> Eu3+/Tb3+ energy transfer efficiency, while CrO42-/Cr2O72- intriguingly quench the three emissions at different rates. Each nitroaromatic exhibits notably correlation to a unique combination of the two ligand -> Eu3+/Tb3+ emission intensity ratios, enabling a 2D fingerprint recognition. Furthermore, the concentration-dependent evolution of the two ratios upon exposure to CrO42-/Cr2O72- can be mapped out, achieving a 3D code recognition. As a result, the sensor demonstrates selective recognition of 4-nitrophenol and CrO42-/Cr2O72- with high sensitivity and selectivity as well as great recycling ability. Both the synthetic and sensing strategies present a promising strategy to develop facile and effective ratiometric sensors.
Category: phthalazines. Welcome to talk about 62-23-7, If you have any questions, you can contact Gao, EJ; Wu, SY; Wang, J; Zhu, MC; Zhang, Y; Fedin, VP or send Email.
Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem