One-Pot Synthesis of Ru-Doped ZnO Oxides for Photodegradation of 4-Chlorophenol
The photocatalytic degradation of 4-chlorophenol in water using Ru-doped ZnO mixed oxides (0, 0.5, 1, and 3 wt% RuO2) synthesized by the one-pot homogeneous coprecipitation method is reported. ZnO with wurtzite structure was present in the mixed oxide as corroborated by Raman spectroscopy and X-ray...
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| Main Authors: | , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | International Journal of Photoenergy |
| Online Access: | http://dx.doi.org/10.1155/2018/7605306 |
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| author | Maria E. Manríquez Luis Enrique Noreña Jin An Wang Lifang Chen Jose Salmones Julio González-García Carmen Reza Francisco Tzompantzi José G. Hernández Cortez Liqun Ye Haiquan Xie |
| author_facet | Maria E. Manríquez Luis Enrique Noreña Jin An Wang Lifang Chen Jose Salmones Julio González-García Carmen Reza Francisco Tzompantzi José G. Hernández Cortez Liqun Ye Haiquan Xie |
| author_sort | Maria E. Manríquez |
| collection | DOAJ |
| description | The photocatalytic degradation of 4-chlorophenol in water using Ru-doped ZnO mixed oxides (0, 0.5, 1, and 3 wt% RuO2) synthesized by the one-pot homogeneous coprecipitation method is reported. ZnO with wurtzite structure was present in the mixed oxide as corroborated by Raman spectroscopy and X-ray diffraction analysis. All the samples showed nanorod morphological features. The presence of Ru6+/Ru4+ couples on ZnO modified the band gap of the mixed oxides and led to a shift of the band gap energy from 3.20 eV to 3.07 eV. Ru addition increased the surface area and significantly promoted the formation of active surface oxygen species such as hydroradicals evidenced by the fluorescence spectroscopy measurement. In the photodegradation of 4-chlorophenol solution under UV irradiation, a notable increase in photoactivity was obtained as the amount of RuO2 in the mixed oxides increased to 3 wt%. The charge transfer between Ru6+/Ru4+ couples and ZnO nanoparticles together with the formation of free radical oxidant species effectively inhibits electron-hole recombination rate, thus favoring the photodegradation of 4-chlorophenol. |
| format | Article |
| id | doaj-art-e9fc1167eb734b9d9603d3f00de6fddc |
| institution | DOAJ |
| issn | 1110-662X 1687-529X |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Photoenergy |
| spelling | doaj-art-e9fc1167eb734b9d9603d3f00de6fddc2025-08-20T03:20:40ZengWileyInternational Journal of Photoenergy1110-662X1687-529X2018-01-01201810.1155/2018/76053067605306One-Pot Synthesis of Ru-Doped ZnO Oxides for Photodegradation of 4-ChlorophenolMaria E. Manríquez0Luis Enrique Noreña1Jin An Wang2Lifang Chen3Jose Salmones4Julio González-García5Carmen Reza6Francisco Tzompantzi7José G. Hernández Cortez8Liqun Ye9Haiquan Xie10ESIQIE, Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional s/n, Col. Zacatenco, 07738 Mexico City, MexicoDepartamento de Ciencias Básicas, Universidad Autónoma Metropolitana-Azcapotzalco, Av. San Pablo 180, Col. Reynosa-Tamaulipas, 02200 Mexico City, MexicoESIQIE, Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional s/n, Col. Zacatenco, 07738 Mexico City, MexicoESIQIE, Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional s/n, Col. Zacatenco, 07738 Mexico City, MexicoESIQIE, Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional s/n, Col. Zacatenco, 07738 Mexico City, MexicoESIQIE, Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional s/n, Col. Zacatenco, 07738 Mexico City, MexicoESIQIE, Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional s/n, Col. Zacatenco, 07738 Mexico City, MexicoDepartamento Química, Universidad Autónoma Metropolitana-Iztapalapa, San Rafael Atlixco 186, 09340 Mexico City, MexicoGDMyPQ, Eje Lázaro Cárdenas 152, Instituto Mexicano del Petróleo, 07730 Mexico City, MexicoCollege of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, ChinaCollege of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, ChinaThe photocatalytic degradation of 4-chlorophenol in water using Ru-doped ZnO mixed oxides (0, 0.5, 1, and 3 wt% RuO2) synthesized by the one-pot homogeneous coprecipitation method is reported. ZnO with wurtzite structure was present in the mixed oxide as corroborated by Raman spectroscopy and X-ray diffraction analysis. All the samples showed nanorod morphological features. The presence of Ru6+/Ru4+ couples on ZnO modified the band gap of the mixed oxides and led to a shift of the band gap energy from 3.20 eV to 3.07 eV. Ru addition increased the surface area and significantly promoted the formation of active surface oxygen species such as hydroradicals evidenced by the fluorescence spectroscopy measurement. In the photodegradation of 4-chlorophenol solution under UV irradiation, a notable increase in photoactivity was obtained as the amount of RuO2 in the mixed oxides increased to 3 wt%. The charge transfer between Ru6+/Ru4+ couples and ZnO nanoparticles together with the formation of free radical oxidant species effectively inhibits electron-hole recombination rate, thus favoring the photodegradation of 4-chlorophenol.http://dx.doi.org/10.1155/2018/7605306 |
| spellingShingle | Maria E. Manríquez Luis Enrique Noreña Jin An Wang Lifang Chen Jose Salmones Julio González-García Carmen Reza Francisco Tzompantzi José G. Hernández Cortez Liqun Ye Haiquan Xie One-Pot Synthesis of Ru-Doped ZnO Oxides for Photodegradation of 4-Chlorophenol International Journal of Photoenergy |
| title | One-Pot Synthesis of Ru-Doped ZnO Oxides for Photodegradation of 4-Chlorophenol |
| title_full | One-Pot Synthesis of Ru-Doped ZnO Oxides for Photodegradation of 4-Chlorophenol |
| title_fullStr | One-Pot Synthesis of Ru-Doped ZnO Oxides for Photodegradation of 4-Chlorophenol |
| title_full_unstemmed | One-Pot Synthesis of Ru-Doped ZnO Oxides for Photodegradation of 4-Chlorophenol |
| title_short | One-Pot Synthesis of Ru-Doped ZnO Oxides for Photodegradation of 4-Chlorophenol |
| title_sort | one pot synthesis of ru doped zno oxides for photodegradation of 4 chlorophenol |
| url | http://dx.doi.org/10.1155/2018/7605306 |
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