Sboui Mouheb, Bouattour Soraa, Gruttadauria Michelangelo, Marcì Giuseppe, Liotta Leonarda Francesca, Boufi Sami
Faculty of Sciences, University of Sfax, Lions Club International (LCI), Sfax BP1171-3018, Tunisia.
Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy.
Nanomaterials (Basel). 2020 Mar 5;10(3):470. doi: 10.3390/nano10030470.
A facile method to produce paper-TiO decorated with AgBr nanoparticles by a mild hydrothermal process at 140 °C was reported. The synthesis method was based on the immersion of the paper in a ready-made suspension of TiO/AgBr, comprising TiO sol solution prepared in acidic conditions and AgBr solution (10 M). A paper-TiO sample was prepared and used as reference. The formation of crystalline phases of titanium oxide (TiO) and silver bromide (AgBr) was demonstrated by XRD, Raman and EDX analyses. The surface morphology of the TiO-AgBr was investigated by Field Effect Scanning Electronic Microscopy (FE-SEM). The photocatalytic performances of the prepared material were evaluated in the degradation of 2-propanol in the gas phase, under simulated sunlight illumination. Its antibacterial properties against ( were also assessed. The efficiency of photodegradation and the anti-bacterial properties of paper-TiO-AgBr were attributed to an improvement in the absorption of visible light, the increased production of reactive oxygen species (ROS) and the low recombination of photogenerated charge carriers due to the synergistic effect between TiO and AgBr/Ag nanoparticles.
报道了一种在140℃通过温和水热法制备AgBr纳米粒子修饰的纸-TiO的简便方法。该合成方法基于将纸浸入由酸性条件下制备的TiO溶胶溶液和AgBr溶液（10M）组成的现成的TiO/AgBr悬浮液中。制备了纸-TiO样品并用作参考。通过XRD、拉曼和EDX分析证实了氧化钛（TiO）和溴化银（AgBr）晶相的形成。通过场效应扫描电子显微镜（FE-SEM）研究了TiO-AgBr的表面形貌。在模拟太阳光照射下，评估了所制备材料在气相中降解2-丙醇的光催化性能。还评估了其对（此处原文似乎不完整）的抗菌性能。纸-TiO-AgBr的光降解效率和抗菌性能归因于可见光吸收的改善、活性氧物种（ROS）产量的增加以及由于TiO与AgBr/Ag纳米粒子之间的协同效应导致的光生电荷载流子的低复合率。
