Boosting the physico-chemical and charge transfer characteristics in Zn1-xTMxO nanostructures for enhanced photocatalytic and photoelectrochemical activities
Wurtzite Zn1-xTMxO nanostructures were solution processed for treating industrial effluents and as photo electrocatalysts for water splitting reactions. The influence of transition metals (TM: Ni, Cr, Co, Mn and Hf) on the physical and chemical properties of host semiconductor was initially adjudged...
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| Format: | Article |
| Language: | English |
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Elsevier
2021-11-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785421010206 |
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| author | P. Ilanchezhiyan H.D. Cho G. Mohan Kumar H.C. Jeon T.W. Kang D.Y. Kim |
| author_facet | P. Ilanchezhiyan H.D. Cho G. Mohan Kumar H.C. Jeon T.W. Kang D.Y. Kim |
| author_sort | P. Ilanchezhiyan |
| collection | DOAJ |
| description | Wurtzite Zn1-xTMxO nanostructures were solution processed for treating industrial effluents and as photo electrocatalysts for water splitting reactions. The influence of transition metals (TM: Ni, Cr, Co, Mn and Hf) on the physical and chemical properties of host semiconductor was initially adjudged through several analytical tools. The morphological evolution of Zn1-xTMxO nanostructures was noted to be evolved in form of nanoparticles and nanorods, depending on the traits of substituting ions. The nature of substitution and interaction of dopant metal ions within Zn1-xTMxO was evaluated through X-ray photoelectron spectroscopic (XPS) measurements. Absorbance data suggested the tunability in optical band gap and absorbance values of Zn 1-xTMxO as a function of the dopant ions. Likewise, the emission spectra affirmed the potential of dopant ions to suppress the defect related emissions in Zn1-xTMxO. The photocatalytic efficacy was noted to be significantly higher in Co doped samples from the results obtained through comparative dye degradation studies using all the processed nanomaterials. A similar trend was also observed in the PEC investigations through time-dependent photocurrent density outputs. The electrochemical impedance data collectively emphasized the Co ions to induce the effective separation of charge carriers in Zn1-xTMxO via improved electronic conductivity. |
| first_indexed | 2024-12-20T14:19:08Z |
| format | Article |
| id | doaj.art-6f5689f25f624f3f9aece674564ccebe |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-12-20T14:19:08Z |
| publishDate | 2021-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-6f5689f25f624f3f9aece674564ccebe2022-12-21T19:37:58ZengElsevierJournal of Materials Research and Technology2238-78542021-11-011528992908Boosting the physico-chemical and charge transfer characteristics in Zn1-xTMxO nanostructures for enhanced photocatalytic and photoelectrochemical activitiesP. Ilanchezhiyan0H.D. Cho1G. Mohan Kumar2H.C. Jeon3T.W. Kang4D.Y. Kim5Quantum-Functional Semiconductor Research Center (QSRC), Institute of Future Technology, Dongguk University, Jung-gu, Seoul 04620, South KoreaQuantum-Functional Semiconductor Research Center (QSRC), Institute of Future Technology, Dongguk University, Jung-gu, Seoul 04620, South KoreaCorresponding author.; Quantum-Functional Semiconductor Research Center (QSRC), Institute of Future Technology, Dongguk University, Jung-gu, Seoul 04620, South KoreaQuantum-Functional Semiconductor Research Center (QSRC), Institute of Future Technology, Dongguk University, Jung-gu, Seoul 04620, South KoreaQuantum-Functional Semiconductor Research Center (QSRC), Institute of Future Technology, Dongguk University, Jung-gu, Seoul 04620, South KoreaQuantum-Functional Semiconductor Research Center (QSRC), Institute of Future Technology, Dongguk University, Jung-gu, Seoul 04620, South KoreaWurtzite Zn1-xTMxO nanostructures were solution processed for treating industrial effluents and as photo electrocatalysts for water splitting reactions. The influence of transition metals (TM: Ni, Cr, Co, Mn and Hf) on the physical and chemical properties of host semiconductor was initially adjudged through several analytical tools. The morphological evolution of Zn1-xTMxO nanostructures was noted to be evolved in form of nanoparticles and nanorods, depending on the traits of substituting ions. The nature of substitution and interaction of dopant metal ions within Zn1-xTMxO was evaluated through X-ray photoelectron spectroscopic (XPS) measurements. Absorbance data suggested the tunability in optical band gap and absorbance values of Zn 1-xTMxO as a function of the dopant ions. Likewise, the emission spectra affirmed the potential of dopant ions to suppress the defect related emissions in Zn1-xTMxO. The photocatalytic efficacy was noted to be significantly higher in Co doped samples from the results obtained through comparative dye degradation studies using all the processed nanomaterials. A similar trend was also observed in the PEC investigations through time-dependent photocurrent density outputs. The electrochemical impedance data collectively emphasized the Co ions to induce the effective separation of charge carriers in Zn1-xTMxO via improved electronic conductivity.http://www.sciencedirect.com/science/article/pii/S2238785421010206Transition metalZnONanostructuresPhotocatalyticPhotoelectrochemical |
| spellingShingle | P. Ilanchezhiyan H.D. Cho G. Mohan Kumar H.C. Jeon T.W. Kang D.Y. Kim Boosting the physico-chemical and charge transfer characteristics in Zn1-xTMxO nanostructures for enhanced photocatalytic and photoelectrochemical activities Journal of Materials Research and Technology Transition metal ZnO Nanostructures Photocatalytic Photoelectrochemical |
| title | Boosting the physico-chemical and charge transfer characteristics in Zn1-xTMxO nanostructures for enhanced photocatalytic and photoelectrochemical activities |
| title_full | Boosting the physico-chemical and charge transfer characteristics in Zn1-xTMxO nanostructures for enhanced photocatalytic and photoelectrochemical activities |
| title_fullStr | Boosting the physico-chemical and charge transfer characteristics in Zn1-xTMxO nanostructures for enhanced photocatalytic and photoelectrochemical activities |
| title_full_unstemmed | Boosting the physico-chemical and charge transfer characteristics in Zn1-xTMxO nanostructures for enhanced photocatalytic and photoelectrochemical activities |
| title_short | Boosting the physico-chemical and charge transfer characteristics in Zn1-xTMxO nanostructures for enhanced photocatalytic and photoelectrochemical activities |
| title_sort | boosting the physico chemical and charge transfer characteristics in zn1 xtmxo nanostructures for enhanced photocatalytic and photoelectrochemical activities |
| topic | Transition metal ZnO Nanostructures Photocatalytic Photoelectrochemical |
| url | http://www.sciencedirect.com/science/article/pii/S2238785421010206 |
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