Effect of organic acids precursors on the morphology and size of ZrO 2 nanoparticles for photocatalytic degradation of Orange G dye from aqueous solutions

Synthesis of MgO-ZrO2 Mixed Nanoparticles via Different Precursors: Identification of their Destructive Action for Organic Pollutants

“…The optical energy gap (E g ) for each nanoparticle is obtained from extrapolation of the graph to (αhν) 2 =0. The values of E g (2.85, 2.97, 2.88, 3.00, 2.87, 3.00 and 2.95 eV) for the nanooxides MZ1 to MZ7, respectively proved that the prepared mixed oxides nanoparticles are semiconductors and are in an excellent agreement with the reported data [20].…”

“…Among of these oxides, very little work about the nanoscaled Magnesia-Zirconia mixed oxides (MgO-ZrO 2 ) was reported throughout literature survey. So, in continuity to our previous work [20] on the preparation of simple ZrO 2 nanoparticles from different organic acid precursors, it was found quit fruitful to study the effect of starting organic acid and glycine precursors on the crystal size and morphology of mixed MgO-ZrO 2 nanooxides. The prepared nanoparticles were found to be excellent adsorbents for the decontamination of Malathion as stimulant of VX CWA and OG as organic pollutant.…”

“…All physical measurements were carried out using the same instruments and under the same conditions described in our previous work [20]. FTIR spectra (Nicolet iSio FTIR spectrophotometer), Electronic absorption spectra (Jasco V-530 UV-Vis spectrophotometer), Thermogravimetric analyses (Shimadzu TA-60 WS thermal analysis), X-Ray powder diffraction spectra (on 18 KW diffractometer Bruker).…”

Synthesis of MgO Nanoparticles from Different Organic Precursors; Catalytic Decontamination of Organic Pollutants and Antitumor Activity

“…Recently, MgO nanoparticles have shown promise for application in tumor treatment and also have considerable potential as an antibacterial agent [19][20][21][22][23][24]. In the present work and in continuity to our previous work [25], we study the effect of starting organic precursors on the crystal size and morphology of nanosized MgO. The prepared nanooxides were tested successfully as adsorbents for the decontamination of Malathion as stimulant of chemical warfare agents (CWA) (VX) and orange G as organic pollutant.…”

Electrochemical characterisation of nanoparticulate zirconium dioxide-on-gold electrode for electrochemical detection in flow-based analytical systems

“…In this context, zirconium dioxide nanoparticles (ZrO 2 NPs) have been reported in the literature as electrocatalyst [9,28,[30][31][32][33][34][35][36][37][38] for use in EC techniques in stopped-flow mode such as cyclic voltammetry (CV), linear sweep voltammetry, and differential pulse voltammetry , particularly due to the ZrO 2 NPs' stability upon the modified electrode surface [28,30,34], good electrical conductivity (Pt > Zr > Mn [21]), high strength and resistance to fracturing, high melting point, low thermal conductivity and high corrosion resistance, as well as the fact that the ZrO 2 NPs are non-toxic [28,37]. In 2017, Mohammadizadeh et al [28] reported ZrO 2 NPs-modified porous graphite surfaces with a better EC response for the determination of propranolol using CV, LSV, and DPV.…”