Hybrid silica nanoparticles functionalized with pyrazolone-tethered organosilane: Synthesis and application for Sn (II) ion sensing in tap water
作者:Gurjaspreet Singh、Sanjay Sharma、Akshpreet Singh、Mohit、Jashan Deep Kaur、Sofia Gupta、Tamana、Harshbir Kaur、Swati Devi
DOI:10.1016/j.saa.2023.123736
日期:2024.3
triazole functionalized organosilane and their hybrid silica nanoparticles (HSNPs) have been synthesised for the selective detection of Sn(II) using spectrophotometric techniques. The prepared compounds are characterized by FT-IR, NMR (1H and 13C), XRD, mass spectrometry and FE-SEM spectral analyses. The synthesized hybrid silica nanoparticles gave improved detection limit of 4.3 × 10−8 M and stoichiometry
合成了吡唑啉酮系三唑官能化有机硅烷及其杂化二氧化硅纳米颗粒 (HSNP),用于使用分光光度技术选择性检测 Sn(II)。所制备的化合物通过FT-IR、NMR( 1H和13C )、XRD、质谱和FE-SEM光谱分析进行表征。合成的杂化二氧化硅纳米粒子提供了4.3×10 -8 M的改进的检测限,并且发现分析物和探针之间的复合物的化学计量为1:1。有机硅烷及其 HSNP 的缔合常数计算结果为 9.54 × 10 4 M -1和 7.47 × 10 4 M -1 ,而其他离子的存在表明对传感行为没有干扰。该传感系统在自来水中的使用结果促进了其在实际样品中的应用,回收率超过 98%。