Micelle-Assisted Synthesis of Al2O3·CaO Nanocatalyst: Optical Properties and Their Applications in Photodegradation of 2,4,6-Trinitrophenol
Calcium oxide (CaO) nanoparticles are known to exhibit unique property due to their high adsorption capacity and good catalytic activity. In this work the CaO nanocatalysts were prepared by hydrothermal method using anionic surfactant, sodium dodecyl sulphate (SDS), as a templating agent. The as-syn...
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| Format: | Article |
| Language: | English |
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Wiley
2013-01-01
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| Series: | The Scientific World Journal |
| Online Access: | http://dx.doi.org/10.1155/2013/641420 |
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| author | Ayesha Imtiaz Muhammad Akhyar Farrukh Muhammad Khaleeq-ur-rahman Rohana Adnan |
| author_facet | Ayesha Imtiaz Muhammad Akhyar Farrukh Muhammad Khaleeq-ur-rahman Rohana Adnan |
| author_sort | Ayesha Imtiaz |
| collection | DOAJ |
| description | Calcium oxide (CaO) nanoparticles are known to exhibit unique property due to their high adsorption capacity and good catalytic activity. In this work the CaO nanocatalysts were prepared by hydrothermal method using anionic surfactant, sodium dodecyl sulphate (SDS), as a templating agent. The as-synthesized nanocatalysts were further used as substrate for the synthesis of alumina doped calcium oxide (Al2O3·CaO) nanocatalysts via deposition-precipitation method at the isoelectric point of CaO. The Al2O3·CaO nanocatalysts were characterized by FTIR, XRD, TGA, TEM, and FESEM techniques. The catalytic efficiencies of these nanocatalysts were studied for the photodegradation of 2,4,6-trinitrophenol (2,4,6-TNP), which is an industrial pollutant, spectrophotometrically. The effect of surfactant and temperature on size of nanocatalysts was also studied. The smallest particle size and highest percentage of degradation were observed at critical micelle concentration of the surfactant. The direct optical band gap of the Al2O3·CaO nanocatalyst was found as 3.3 eV. |
| format | Article |
| id | doaj-art-994cf32b2c0e453cb9d50347b0d0ced2 |
| institution | OA Journals |
| issn | 1537-744X |
| language | English |
| publishDate | 2013-01-01 |
| publisher | Wiley |
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| series | The Scientific World Journal |
| spelling | doaj-art-994cf32b2c0e453cb9d50347b0d0ced22025-08-20T02:10:17ZengWileyThe Scientific World Journal1537-744X2013-01-01201310.1155/2013/641420641420Micelle-Assisted Synthesis of Al2O3·CaO Nanocatalyst: Optical Properties and Their Applications in Photodegradation of 2,4,6-TrinitrophenolAyesha Imtiaz0Muhammad Akhyar Farrukh1Muhammad Khaleeq-ur-rahman2Rohana Adnan3Department of Chemistry, GC University Lahore, 54000 Lahore, PakistanDepartment of Chemistry, GC University Lahore, 54000 Lahore, PakistanDepartment of Chemistry, GC University Lahore, 54000 Lahore, PakistanSchool of Chemical Sciences, Universiti Sains Malaysia, 11800 Pulau Pinang, MalaysiaCalcium oxide (CaO) nanoparticles are known to exhibit unique property due to their high adsorption capacity and good catalytic activity. In this work the CaO nanocatalysts were prepared by hydrothermal method using anionic surfactant, sodium dodecyl sulphate (SDS), as a templating agent. The as-synthesized nanocatalysts were further used as substrate for the synthesis of alumina doped calcium oxide (Al2O3·CaO) nanocatalysts via deposition-precipitation method at the isoelectric point of CaO. The Al2O3·CaO nanocatalysts were characterized by FTIR, XRD, TGA, TEM, and FESEM techniques. The catalytic efficiencies of these nanocatalysts were studied for the photodegradation of 2,4,6-trinitrophenol (2,4,6-TNP), which is an industrial pollutant, spectrophotometrically. The effect of surfactant and temperature on size of nanocatalysts was also studied. The smallest particle size and highest percentage of degradation were observed at critical micelle concentration of the surfactant. The direct optical band gap of the Al2O3·CaO nanocatalyst was found as 3.3 eV.http://dx.doi.org/10.1155/2013/641420 |
| spellingShingle | Ayesha Imtiaz Muhammad Akhyar Farrukh Muhammad Khaleeq-ur-rahman Rohana Adnan Micelle-Assisted Synthesis of Al2O3·CaO Nanocatalyst: Optical Properties and Their Applications in Photodegradation of 2,4,6-Trinitrophenol The Scientific World Journal |
| title | Micelle-Assisted Synthesis of Al2O3·CaO Nanocatalyst: Optical Properties and Their Applications in Photodegradation of 2,4,6-Trinitrophenol |
| title_full | Micelle-Assisted Synthesis of Al2O3·CaO Nanocatalyst: Optical Properties and Their Applications in Photodegradation of 2,4,6-Trinitrophenol |
| title_fullStr | Micelle-Assisted Synthesis of Al2O3·CaO Nanocatalyst: Optical Properties and Their Applications in Photodegradation of 2,4,6-Trinitrophenol |
| title_full_unstemmed | Micelle-Assisted Synthesis of Al2O3·CaO Nanocatalyst: Optical Properties and Their Applications in Photodegradation of 2,4,6-Trinitrophenol |
| title_short | Micelle-Assisted Synthesis of Al2O3·CaO Nanocatalyst: Optical Properties and Their Applications in Photodegradation of 2,4,6-Trinitrophenol |
| title_sort | micelle assisted synthesis of al2o3·cao nanocatalyst optical properties and their applications in photodegradation of 2 4 6 trinitrophenol |
| url | http://dx.doi.org/10.1155/2013/641420 |
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