Development of AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> Ternary Composite Photocatalysts for Enhanced Photocatalytic Dye Decolorization
Dyestuff is one of the most widely released pollutants into the environment. Many approaches have been considered to deal with the dye removal from polluted water such as adsorption, ultrafiltration, osmosis, solvent extraction and photocatalytic degradation. The photocatalytic degradation process i...
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MDPI AG
2020-10-01
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doaj-0b937a4101bf41dba834749742311dc72020-11-25T03:38:31ZengMDPI AGCrystals2073-43522020-10-011092392310.3390/cryst10100923Development of AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> Ternary Composite Photocatalysts for Enhanced Photocatalytic Dye DecolorizationNasir Shehzad0Muhammad Zafar1Muhammad Ashfaq2Abdul Razzaq3Parveen Akhter4Nabeel Ahmad5Ainy Hafeez6Kshaf Azam7Murid Hussain8Woo Young Kim9Department of Chemical Engineering, COMSATS University Islamabad, Lahore 54000, PakistanInstitute of Energy and Environmental Engineering, University of the Punjab, Lahore 54590, PakistanDepartment of Chemistry, The University of Lahore, 1-Km Raiwind Road, Lahore 54000, PakistanDepartment of Chemical Engineering, COMSATS University Islamabad, Lahore 54000, PakistanDepartment of Chemistry, The University of Lahore, 1-Km Raiwind Road, Lahore 54000, PakistanDepartment of Chemical Engineering, COMSATS University Islamabad, Lahore 54000, PakistanDepartment of Chemical Engineering, COMSATS University Islamabad, Lahore 54000, PakistanDepartment of Chemical Engineering, COMSATS University Islamabad, Lahore 54000, PakistanDepartment of Chemical Engineering, COMSATS University Islamabad, Lahore 54000, PakistanDepartment of Electronic Engineering, Faculty of Applied Energy System, Jeju National University, Jeju Special Self-Governing Province, Jeju-si 63243, KoreaDyestuff is one of the most widely released pollutants into the environment. Many approaches have been considered to deal with the dye removal from polluted water such as adsorption, ultrafiltration, osmosis, solvent extraction and photocatalytic degradation. The photocatalytic degradation process is one of the most beneficial, economical and environmentally friendly ways to degrade the organic pollutants from wastewater. In this study, an efficient ferrite-based photocatalyst, AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> was successfully developed using simple deposition and reflux method. Physical, chemical and structural properties were analyzed by using XRD, FTIR Raman and PL spectroscopy. The efficiency of photocatalyst was investigated for the decolorization of methyl blue (MB) dye and activity was measured through UV-vis spectroscopy. The effect of parameters like pH, concentrations of MB dye, and loading of silver ferrite (AgFeO<sub>2</sub>) was investigated. The study depicted that the properties of TiO<sub>2</sub> were improved due to addition of silver ferrite and reduced graphene oxide (rGO). The 2.5% AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> exhibited the highest efficiency and completely degraded the 50 ppm of MB dye in 30 min. The parametric study revealed that dye decolorization is faster in a neutral solution than in basic and acidic medium. The higher performance of the photocatalyst was attributed to the reduced charge recombination and improved optical properties. Thus, AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> can be a potential composite for photocatalytic dye degradation and other photocatalytic applications under UV-Visible light irradiations.https://www.mdpi.com/2073-4352/10/10/923ternary compositephotocatalysismethyl blue dye degradationwastewater treatment |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
Nasir Shehzad Muhammad Zafar Muhammad Ashfaq Abdul Razzaq Parveen Akhter Nabeel Ahmad Ainy Hafeez Kshaf Azam Murid Hussain Woo Young Kim |
| spellingShingle |
Nasir Shehzad Muhammad Zafar Muhammad Ashfaq Abdul Razzaq Parveen Akhter Nabeel Ahmad Ainy Hafeez Kshaf Azam Murid Hussain Woo Young Kim Development of AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> Ternary Composite Photocatalysts for Enhanced Photocatalytic Dye Decolorization Crystals ternary composite photocatalysis methyl blue dye degradation wastewater treatment |
| author_facet |
Nasir Shehzad Muhammad Zafar Muhammad Ashfaq Abdul Razzaq Parveen Akhter Nabeel Ahmad Ainy Hafeez Kshaf Azam Murid Hussain Woo Young Kim |
| author_sort |
Nasir Shehzad |
| title |
Development of AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> Ternary Composite Photocatalysts for Enhanced Photocatalytic Dye Decolorization |
| title_short |
Development of AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> Ternary Composite Photocatalysts for Enhanced Photocatalytic Dye Decolorization |
| title_full |
Development of AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> Ternary Composite Photocatalysts for Enhanced Photocatalytic Dye Decolorization |
| title_fullStr |
Development of AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> Ternary Composite Photocatalysts for Enhanced Photocatalytic Dye Decolorization |
| title_full_unstemmed |
Development of AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> Ternary Composite Photocatalysts for Enhanced Photocatalytic Dye Decolorization |
| title_sort |
development of agfeo<sub>2</sub>/rgo/tio<sub>2</sub> ternary composite photocatalysts for enhanced photocatalytic dye decolorization |
| publisher |
MDPI AG |
| series |
Crystals |
| issn |
2073-4352 |
| publishDate |
2020-10-01 |
| description |
Dyestuff is one of the most widely released pollutants into the environment. Many approaches have been considered to deal with the dye removal from polluted water such as adsorption, ultrafiltration, osmosis, solvent extraction and photocatalytic degradation. The photocatalytic degradation process is one of the most beneficial, economical and environmentally friendly ways to degrade the organic pollutants from wastewater. In this study, an efficient ferrite-based photocatalyst, AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> was successfully developed using simple deposition and reflux method. Physical, chemical and structural properties were analyzed by using XRD, FTIR Raman and PL spectroscopy. The efficiency of photocatalyst was investigated for the decolorization of methyl blue (MB) dye and activity was measured through UV-vis spectroscopy. The effect of parameters like pH, concentrations of MB dye, and loading of silver ferrite (AgFeO<sub>2</sub>) was investigated. The study depicted that the properties of TiO<sub>2</sub> were improved due to addition of silver ferrite and reduced graphene oxide (rGO). The 2.5% AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> exhibited the highest efficiency and completely degraded the 50 ppm of MB dye in 30 min. The parametric study revealed that dye decolorization is faster in a neutral solution than in basic and acidic medium. The higher performance of the photocatalyst was attributed to the reduced charge recombination and improved optical properties. Thus, AgFeO<sub>2</sub>/rGO/TiO<sub>2</sub> can be a potential composite for photocatalytic dye degradation and other photocatalytic applications under UV-Visible light irradiations. |
| topic |
ternary composite photocatalysis methyl blue dye degradation wastewater treatment |
| url |
https://www.mdpi.com/2073-4352/10/10/923 |
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