Photocatalytic Active Silver Phosphate for Photoremediation of Organic Pollutants

Otari, Sachin V.; Yadav, Hemraj M.

doi:10.1002/9781119529941.ch5

Photocatalytic Functional Materials for Environmental Remediation 2019

DOI: 10.1002/9781119529941.ch5

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Photocatalytic Active Silver Phosphate for Photoremediation of Organic Pollutants

Sachin V. Otari

Hemraj M. Yadav

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2024

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Cited by 1 publication

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Synthesize of heterostructure TiO2 by simultaneous doping of double silver and phosphate to degradation of methylene blue under visible light

Moeini,

Hoseini,

Dehghani

et al. 2024

Appl Water Sci

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Photocatalysts show great potential as compounds for restoring contaminated water and wastewater resources. The study aims to synthesize a composite with high photocatalytic potential under visible light to photodegrade the organic pollutants. Ag/Ag3PO4@ TiO2 were synthesized by doping Ag and Ag3PO4 on TiO2. The composite was characterized using X-ray diffraction analysis (XRD), diffuse reflectance spectroscopy, Field emission scanning electron microscopy, and Energy-dispersive X-ray spectroscopy analyses, and its photodegradation ability was investigated by methylene blue. Utilization of pure TiO2 yielded a removal efficiency that was merely half of the efficiency achieved when using modified particles, owing to the reduction of TiO2 s band gap from 3.2 to 1.94 eV. In addition to its enhanced photocatalytic performance under visible light, the synthesized Ag/Ag3PO4@TiO2 photocatalyst demonstrated remarkable efficiency in removing dyes such as methylene blue from aqueous solutions. The removal efficiency at pH less than 7 in 50 ppm methylene blue solution using 3 g/l photocatalyst over 45 min visible light irradiation was approximately 90 percent. Under sunlight, photocatalytic reactions exhibited an efficiency of over 95 percent within 45 min. It can be concluded that the simultaneous introduction of metallic (Ag) and nonmetallic (PO43−) dopants significantly increases the efficiency of electron–hole recombination suppression in the photocatalyst and also decreases the band gap.

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Synthesize of heterostructure TiO2 by simultaneous doping of double silver and phosphate to degradation of methylene blue under visible light

Moeini,

Hoseini,

Dehghani

et al. 2024

Appl Water Sci

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show abstract

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Photocatalytic Active Silver Phosphate for Photoremediation of Organic Pollutants

Cited by 1 publication

References 76 publications

Synthesize of heterostructure TiO2 by simultaneous doping of double silver and phosphate to degradation of methylene blue under visible light

Synthesize of heterostructure TiO2 by simultaneous doping of double silver and phosphate to degradation of methylene blue under visible light

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