Green production of self-assembled silver nanoarrays on flexible substrate for direct detection and catalytic degradation of organic water pollutants

Highly ordered TiO2 Nanotubes decorated with plasmonic silver nanoparticles (TiO2/Ag) for ultra-sensitive SERS detection of textile dye contaminant Rhodamine 6 G

“…The developed SERS substrates will benefit the quality of the treated water to trace and detect the R6G with their unique EM and CT synergistic effects. Different concentrations of R6G solutions were prepared by serial dilutions (ranging from 2x10 -3 M to 2x10 -6 M) and 7 µL of the solution was dropped onto the fabricated substrates [1][2][3]. After drying, the substrate was analyzed using SERS spectroscopy for detection.…”

“…It was observed that the unique chemical signature of R6G was clearly detected with the fabricated substrates (Fig 1a). The SERS fingerprint of R6G was identified at 614 cm-1 (in-plane bending of C-C-C ring), 1186 cm -1 (in-plane bending of C-H), 770 cm -1 (out-of-plane bending of C-H), 1307 cm -1 , 1364 cm -1 , 1508 cm -1 , 1582 cm -1 , and 1654 cm -1 (stretching modes of C-C) [1,3]. The SERS intensity was found to vary with the size of the AgNPs, and the highest sensitivity was achieved with the TA-20 SERS substrate (Fig 1b).…”

“…The rising population is forcing textile industries to discharge more harmful chemicals into the environment [1]. Therefore, it is vital to monitor the environment for hazardous dyes, particularly in water, with sensors for public health safety [2].…”

Bioinspired Multifunctional Silver Nanoparticles for Optical Sensing Applications: A Sustainable Approach

“…206 By using a green synthetic procedure, self-assembled Ag NPs were customized from environmentally friendly hybrid tea rose petal extract. Silver nanocubes disclosed with surface plasma resonance bands in the range of 450−500 nm were found to have a sensitivity limit in the nanomolar range 207 and were best suited for industrial effluent treatment. This low-cost and stable Hg(II) sensing device was found to be a pioneering technique for tailor-made environmental protection.…”