A simple one-pot synthesis process for functionalized mesostructured silica nanoparticles (MSNP) is reported. The novel process demonstrated the possibility to achieve MSNP with a surface area up to 501 m².g⁻¹ using a phosphonate based nonsilane precursor such as N, N´-bis[4,6-bis(diethylphosphono)-1,3,5-triazin-yl]-1,2-diaminoethane (ED). MSNP obtained by using 20 mol% of ED achieved a surface area of 80 m².g⁻¹ and increasing the ED content to 30 mol% resulted in a surface area of 501 m².g⁻¹. Zeta potential of novel MSNPs (−65.5 and 70.0 mV) were much higher than the nanoparticle (NP) prepared from only TEOS (−49 mV), indicating the presence of a large number of –SiOH and phosphonic acid surface functional groups, as confirmed by Fourier-transform infrared spectroscopy (FT-IR) and Nuclear magnetic resonance (NMR) analysis. The functionalized MSNPs were used as an adsorbent for the removal of cationic pollutants like methylene blue (MB). The MSNP with the highest porosity displayed favorable MB adsorption behavior with ~380 mg.g⁻¹ of MB adsorption capacity. Facile regeneration in an acidic medium (~pH 4.5) with easy recyclability (10 cycles) confirmed the practical applicability of this novel functionalized MSNPs.

报道了一种简单的一锅法合成功能化介孔结构的二氧化硅纳米粒子（MSNP）。该新方法表现出的可能性与表面积至多达到MSNP501米² .G ^-1使用基于膦酸酯nonsilane前体，例如N，N'-双[4,6-双（二乙基膦酰基）-1,3-， 5-三嗪基] -1，1,2-二氨基乙烷（ED）。MSNP获得通过使用ED的20摩尔％达到80米的表面积² .G ^-1和增加ED含量至30％（摩尔）导致的501的表面积米² .G ^-1。新型MSNPs（−65.5和70.0 mV）的Zeta电位比仅由TEOS（−49 mV）制备的纳米颗粒（NP）高得多，表明存在大量的–SiOH和膦酸表面官能团通过傅立叶变换红外光谱（FT-IR）和核磁共振（NMR）分析。官能化的MSNP被用作吸附剂，用于去除阳离子污染物（如亚甲基蓝（MB））。孔隙率最高的MSNP表现出良好的MB吸附行为，MB吸附容量约为380 mg.g ^-1。在酸性介质（〜pH 4.5）中易于再生（易于循环）（10个循环），证实了这种新型功能化MSNP的实际适用性。