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Mn-doped ZnO: role of morphological evolution on enhanced photocatalytic performance
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| Veröffentlicht in: | Energy reports 6(2020), 2 vom: Feb., Seite 737-741 |
|---|---|
| Personen und Körperschaften: | , , |
| Titel: | Mn-doped ZnO: role of morphological evolution on enhanced photocatalytic performance/ Abinash Das, Riu Riu Wary, Ranjith G. Nair |
| Format: | E-Book-Kapitel |
| Sprache: | Englisch |
| veröffentlicht: |
2020
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| Gesamtaufnahme: |
: Energy reports, 6(2020), 2 vom: Feb., Seite 737-741
, volume:6 |
| Schlagwörter: | |
| Quelle: | Verbunddaten SWB Lizenzfreie Online-Ressourcen |
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| 520 | |a Recently, zinc oxide (ZnO) has attracted much interest, owing to its efficient photocatalytic applications. Herein, we report the synthesis of pristine and Mn-doped ZnO photocatalyst with different nanostructures. The samples were synthesized via simple and low cost co-precipitation method. The synthesized samples were characterized using X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray (EDX) spectroscopy, UV-visible diffuse reflectance spectroscopy (UV-DRS) and photoluminescence (PL) studies. The structural analyses revealed the formation of well crystalline nano photocatalyst. Interestingly, doping has altered the morphology of the pristine ZnO significantly from the randomly oriented flakes like structure to rice like structures. The doping of Mn has been established via EDX analyses. Incorporation of Mn has enhanced the photon absorption towards visible region along with the formation of some favorable defect states. The photocatalytic performance of Mn doped ZnO showed superior activity than the pristine ZnO. The enhanced photocatalytic performance of the doped sample can be ascribed to the presence of Mn into the ZnO lattice. Furthermore, doping results into the formation of inter band states which make the easy transfer of excited electrons from the valence band to the conduction band along with efficient electron-hole pair separation. Moreover, the morphological evolution of ZnO due to the doping may also play a vital role in enhancing the photocatalytic performance of the doped sample. | ||
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| contents | Recently, zinc oxide (ZnO) has attracted much interest, owing to its efficient photocatalytic applications. Herein, we report the synthesis of pristine and Mn-doped ZnO photocatalyst with different nanostructures. The samples were synthesized via simple and low cost co-precipitation method. The synthesized samples were characterized using X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray (EDX) spectroscopy, UV-visible diffuse reflectance spectroscopy (UV-DRS) and photoluminescence (PL) studies. The structural analyses revealed the formation of well crystalline nano photocatalyst. Interestingly, doping has altered the morphology of the pristine ZnO significantly from the randomly oriented flakes like structure to rice like structures. The doping of Mn has been established via EDX analyses. Incorporation of Mn has enhanced the photon absorption towards visible region along with the formation of some favorable defect states. The photocatalytic performance of Mn doped ZnO showed superior activity than the pristine ZnO. The enhanced photocatalytic performance of the doped sample can be ascribed to the presence of Mn into the ZnO lattice. Furthermore, doping results into the formation of inter band states which make the easy transfer of excited electrons from the valence band to the conduction band along with efficient electron-hole pair separation. Moreover, the morphological evolution of ZnO due to the doping may also play a vital role in enhancing the photocatalytic performance of the doped sample. |
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| spelling | Das, Abinash VerfasserIn aut, Mn-doped ZnO: role of morphological evolution on enhanced photocatalytic performance Abinash Das, Riu Riu Wary, Ranjith G. Nair, 2020, Text txt rdacontent, Computermedien c rdamedia, Online-Ressource cr rdacarrier, DE-206 Open Access Controlled Vocabulary for Access Rights http://purl.org/coar/access_right/c_abf2, Recently, zinc oxide (ZnO) has attracted much interest, owing to its efficient photocatalytic applications. Herein, we report the synthesis of pristine and Mn-doped ZnO photocatalyst with different nanostructures. The samples were synthesized via simple and low cost co-precipitation method. The synthesized samples were characterized using X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray (EDX) spectroscopy, UV-visible diffuse reflectance spectroscopy (UV-DRS) and photoluminescence (PL) studies. The structural analyses revealed the formation of well crystalline nano photocatalyst. Interestingly, doping has altered the morphology of the pristine ZnO significantly from the randomly oriented flakes like structure to rice like structures. The doping of Mn has been established via EDX analyses. Incorporation of Mn has enhanced the photon absorption towards visible region along with the formation of some favorable defect states. The photocatalytic performance of Mn doped ZnO showed superior activity than the pristine ZnO. The enhanced photocatalytic performance of the doped sample can be ascribed to the presence of Mn into the ZnO lattice. Furthermore, doping results into the formation of inter band states which make the easy transfer of excited electrons from the valence band to the conduction band along with efficient electron-hole pair separation. Moreover, the morphological evolution of ZnO due to the doping may also play a vital role in enhancing the photocatalytic performance of the doped sample., DE-206 Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International CC BY-NC-ND 4.0 cc https://creativecommons.org/licenses/by-nc-nd/4.0/, Aufsatz in Zeitschrift DE-206, Kongressbeitrag DE-206, Wary, Riu Riu VerfasserIn (DE-588)1207274542 (DE-627)1693465361 aut, Nair, Ranjith G. VerfasserIn aut, Enthalten in Energy reports Amsterdam [u.a.] : Elsevier, 2015 6(2020), 2 vom: Feb., Seite 737-741 Online-Ressource (DE-627)820689033 (DE-600)2814795-9 (DE-576)427950821 2352-4847 nnns, volume:6 year:2020 number:2 month:02 pages:737-741, https://www.sciencedirect.com/science/article/pii/S2352484719311291/pdfft?md5=a20484704fecaf817d8a1443c69c0077&pid=1-s2.0-S2352484719311291-main.pdf Verlag kostenfrei, https://doi.org/10.1016/j.egyr.2019.11.148 Resolving-System kostenfrei, http://hdl.handle.net/10419/243961 Resolving-System kostenfrei, https://doi.org/10.1016/j.egyr.2019.11.148 LFER, https://www.sciencedirect.com/science/article/pii/S2352484719311291/pdfft?md5=a20484704fecaf817d8a1443c69c0077&pid=1-s2.0-S2352484719311291-main.pdf LFER, LFER 2020-04-07T00:00:00Z |
| spellingShingle | Das, Abinash, Wary, Riu Riu, Nair, Ranjith G., Mn-doped ZnO: role of morphological evolution on enhanced photocatalytic performance, Recently, zinc oxide (ZnO) has attracted much interest, owing to its efficient photocatalytic applications. Herein, we report the synthesis of pristine and Mn-doped ZnO photocatalyst with different nanostructures. The samples were synthesized via simple and low cost co-precipitation method. The synthesized samples were characterized using X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray (EDX) spectroscopy, UV-visible diffuse reflectance spectroscopy (UV-DRS) and photoluminescence (PL) studies. The structural analyses revealed the formation of well crystalline nano photocatalyst. Interestingly, doping has altered the morphology of the pristine ZnO significantly from the randomly oriented flakes like structure to rice like structures. The doping of Mn has been established via EDX analyses. Incorporation of Mn has enhanced the photon absorption towards visible region along with the formation of some favorable defect states. The photocatalytic performance of Mn doped ZnO showed superior activity than the pristine ZnO. The enhanced photocatalytic performance of the doped sample can be ascribed to the presence of Mn into the ZnO lattice. Furthermore, doping results into the formation of inter band states which make the easy transfer of excited electrons from the valence band to the conduction band along with efficient electron-hole pair separation. Moreover, the morphological evolution of ZnO due to the doping may also play a vital role in enhancing the photocatalytic performance of the doped sample., Aufsatz in Zeitschrift, Kongressbeitrag |
| title | Mn-doped ZnO: role of morphological evolution on enhanced photocatalytic performance |
| title_auth | Mn-doped ZnO: role of morphological evolution on enhanced photocatalytic performance |
| title_full | Mn-doped ZnO: role of morphological evolution on enhanced photocatalytic performance Abinash Das, Riu Riu Wary, Ranjith G. Nair |
| title_fullStr | Mn-doped ZnO: role of morphological evolution on enhanced photocatalytic performance Abinash Das, Riu Riu Wary, Ranjith G. Nair |
| title_full_unstemmed | Mn-doped ZnO: role of morphological evolution on enhanced photocatalytic performance Abinash Das, Riu Riu Wary, Ranjith G. Nair |
| title_in_hierarchy | Mn-doped ZnO: role of morphological evolution on enhanced photocatalytic performance / Abinash Das, Riu Riu Wary, Ranjith G. Nair, |
| title_short | Mn-doped ZnO: role of morphological evolution on enhanced photocatalytic performance |
| title_sort | mn doped zno role of morphological evolution on enhanced photocatalytic performance |
| topic | Aufsatz in Zeitschrift, Kongressbeitrag |
| topic_facet | Aufsatz in Zeitschrift, Kongressbeitrag |
| url | https://www.sciencedirect.com/science/article/pii/S2352484719311291/pdfft?md5=a20484704fecaf817d8a1443c69c0077&pid=1-s2.0-S2352484719311291-main.pdf, https://doi.org/10.1016/j.egyr.2019.11.148, http://hdl.handle.net/10419/243961 |