A comparative study of structural and photocatalytic mechanism of AgGaO2 nanocomposites for equilibrium and kinetics evaluation of adsorption parameters

被引：73
作者：
Alhaji, N. M., I [1 ]
Nathiya, D. [1 ]
Kaviyarasu, K. [2 ,3 ]
Meshram, Mayuri [4 ,5 ]
Ayeshamariam, A. [4 ,6 ]
机构：
[1] Khadir Mohideen Coll, Dept Chem, Adirampattinam 614701, India
[2] Univ South Africa UNISA, Coll Grad Studies, UNESCO UNISA Africa Chair Nanosci Nanotechnol Lab, POB 392, Pretoria, South Africa
[3] NRF, iThemba LABS, MRG, Nanosci African Network NANOAFNET, 1 Old Faure Rd,7129,POB 722, Somerset West, Western Cape Pr, South Africa
[4] Khadir Mohideen Coll, Dept Phys, Adirampattinam 614701, India
[5] ISERC, Santiniketan Bolpur 731235, W Bengal, India
[6] Bharathidasan Univ, Res & Dev Ctr, Tiruchirappalli 620024, Tamil Nadu, India
来源：
SURFACES AND INTERFACES | 2019年 / 17卷
关键词：
Silver oxide; Photocatalytic behavior; Kinetic studies; Adsorption; Electron microscopy; Organic degradation dye; METAL-OXIDE NANOCOMPOSITES; CATALYTIC-HYDROGENATION; DYE; NANOPARTICLES; DEGRADATION; REMOVAL; ANTIBACTERIAL; ANTIFUNGAL; XYLANASE; GREEN;
D O I：
10.1016/j.surfin.2019.100375
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
AgGaO2 was hydrothermally synthesized, and structural characterization showed that the crystal size of the resultant product was 40 nm. Photocatalytic findings and kinetic parameters were compared the pseudo-first-order equations of three different dyes exposed to the nanoparticles (NPs) were studied. The absorbance of similar concentrations of methylene blue (MB), methyl orange (MO) and rhodamine-B (RhB) were analyzed from 0 min to 140 min by using a UV-Vis spectrometer. Brunauer-Emmett-Teller (BET) analysis revealed that the surface area of the powder particles is 23.35 m(2)/g. The photocatalytic behavior and first-order kinetic parameters of AgGaO2 were also compared in detail.
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页数：7
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