Sonochemical synthesis of microscale Zn(<scp>ii</scp>)-MOF with dual Lewis basic sites for fluorescent turn-on detection of Al<sup>3+</sup> and methanol with low detection limits
Theanchai Wiwasuku, Jintana Othong, Jaursup Boonmak, Vuthichai Ervithayasuporn, Sujittra Youngme
Abstract
and methanol were achieved using microcrystalline Zn-MOF and reached 30 nM and 0.7% (v/v), respectively. In comparison to the larger size of the polycrystalline Zn-MOF, the microparticles obtained from the ultrasonic route exhibited an improvement in the detection sensitivity. The dual uncoordinated Lewis basic sites play an important role in the sensitivity and selectivity of the detection. Additionally, the fluorogenic change in the sensing process can be observed by the naked eye under UV-light, allowing preliminary on-field screening.
Topics & Concepts
FluorescenceChemistryDetection limitSelectivityMethanolLewis acids and basesMicroscale chemistryTurn (biochemistry)Nuclear chemistryCombinatorial chemistryInorganic chemistryCatalysisChromatographyOrganic chemistryBiochemistryMathematics educationQuantum mechanicsPhysicsMathematicsMetal-Organic Frameworks: Synthesis and ApplicationsGas Sensing Nanomaterials and SensorsMolecular Sensors and Ion Detection