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Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode
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| Zeitschriftentitel: | ChemElectroChem |
|---|---|
| Personen und Körperschaften: | , , , , , |
| In: | ChemElectroChem, 5, 2018, 22, S. 3451-3459 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
|
| Schlagwörter: |
| author_facet |
Yang, Lisha Zhang, Zhaohan Liu, Junfeng Huang, Linlin Jia, Liu Feng, Yujie Yang, Lisha Zhang, Zhaohan Liu, Junfeng Huang, Linlin Jia, Liu Feng, Yujie |
|---|---|
| author |
Yang, Lisha Zhang, Zhaohan Liu, Junfeng Huang, Linlin Jia, Liu Feng, Yujie |
| spellingShingle |
Yang, Lisha Zhang, Zhaohan Liu, Junfeng Huang, Linlin Jia, Liu Feng, Yujie ChemElectroChem Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode Electrochemistry Catalysis |
| author_sort |
yang, lisha |
| spelling |
Yang, Lisha Zhang, Zhaohan Liu, Junfeng Huang, Linlin Jia, Liu Feng, Yujie 2196-0216 2196-0216 Wiley Electrochemistry Catalysis http://dx.doi.org/10.1002/celc.201801079 <jats:title>Abstract</jats:title><jats:p>Gd‐doped TiO<jats:sub>2</jats:sub>−NT/SnO<jats:sub>2</jats:sub>−Sb (NT=nanotube) electrodes were prepared by using a solvothermal synthesis approach with a nano‐sized catalyst coating. Phenol degradation and total organic carbon (TOC) removal followed pseudo‐first‐order kinetics in the experimental range. A maximum rate was achieved by using a Gd doping ratio of 2 % (molar ratio based on Gd/Sn), which was 56.5 % and 68 % higher than that of the control (Gd/0 %) for phenol degradation and TOC removal. The results from the UV scan of the electrolyte showed that introducing an appropriate amount of Gd could promote the electrochemical incineration process, and thus effectively degrade the chemical intermediates during phenol oxidation. In addition, the Gd/2 %‐doped electrode had the longest accelerated life time of 25 h, which was 25 % higher than that of the control. A suitable Gd doping ratio could diminish the SnO<jats:sub>2</jats:sub> crystal size and increase the specific surface area, speeding up the electrode's reaction rate, thus promoting the oxygen evolution potential. A regular and compact morphology with a smallest particle size of 9.5 nm was obtained on the Gd/2 %‐doped electrode, which prompted a smaller charge‐transfer resistance and higher electrical double‐layer capacitance than that of the control. The results from X‐ray photoelectron spectroscopy and electron paramagnetic resonance suggested that a maximal of surface active sites (i. e. oxygen vacancy) was formed on the Gd/2 %‐doped electrode, which provided abundant positive charge for adsorbing more oxygen species (37.5 %) than the control (21.5 %), and greatly enhanced the formation of ·OH to attack the targeted pollutant.</jats:p> Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO<sub>2</sub> Nanotube/SnO<sub>2</sub>−Sb Nano‐coated Electrode ChemElectroChem |
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10.1002/celc.201801079 |
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| title |
Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode |
| title_unstemmed |
Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode |
| title_full |
Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode |
| title_fullStr |
Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode |
| title_full_unstemmed |
Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode |
| title_short |
Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode |
| title_sort |
influence of gd doping on the structure and electrocatalytic performance of tio<sub>2</sub> nanotube/sno<sub>2</sub>−sb nano‐coated electrode |
| topic |
Electrochemistry Catalysis |
| url |
http://dx.doi.org/10.1002/celc.201801079 |
| publishDate |
2018 |
| physical |
3451-3459 |
| description |
<jats:title>Abstract</jats:title><jats:p>Gd‐doped TiO<jats:sub>2</jats:sub>−NT/SnO<jats:sub>2</jats:sub>−Sb (NT=nanotube) electrodes were prepared by using a solvothermal synthesis approach with a nano‐sized catalyst coating. Phenol degradation and total organic carbon (TOC) removal followed pseudo‐first‐order kinetics in the experimental range. A maximum rate was achieved by using a Gd doping ratio of 2 % (molar ratio based on Gd/Sn), which was 56.5 % and 68 % higher than that of the control (Gd/0 %) for phenol degradation and TOC removal. The results from the UV scan of the electrolyte showed that introducing an appropriate amount of Gd could promote the electrochemical incineration process, and thus effectively degrade the chemical intermediates during phenol oxidation. In addition, the Gd/2 %‐doped electrode had the longest accelerated life time of 25 h, which was 25 % higher than that of the control. A suitable Gd doping ratio could diminish the SnO<jats:sub>2</jats:sub> crystal size and increase the specific surface area, speeding up the electrode's reaction rate, thus promoting the oxygen evolution potential. A regular and compact morphology with a smallest particle size of 9.5 nm was obtained on the Gd/2 %‐doped electrode, which prompted a smaller charge‐transfer resistance and higher electrical double‐layer capacitance than that of the control. The results from X‐ray photoelectron spectroscopy and electron paramagnetic resonance suggested that a maximal of surface active sites (i. e. oxygen vacancy) was formed on the Gd/2 %‐doped electrode, which provided abundant positive charge for adsorbing more oxygen species (37.5 %) than the control (21.5 %), and greatly enhanced the formation of ·OH to attack the targeted pollutant.</jats:p> |
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| author | Yang, Lisha, Zhang, Zhaohan, Liu, Junfeng, Huang, Linlin, Jia, Liu, Feng, Yujie |
| author_facet | Yang, Lisha, Zhang, Zhaohan, Liu, Junfeng, Huang, Linlin, Jia, Liu, Feng, Yujie, Yang, Lisha, Zhang, Zhaohan, Liu, Junfeng, Huang, Linlin, Jia, Liu, Feng, Yujie |
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| description | <jats:title>Abstract</jats:title><jats:p>Gd‐doped TiO<jats:sub>2</jats:sub>−NT/SnO<jats:sub>2</jats:sub>−Sb (NT=nanotube) electrodes were prepared by using a solvothermal synthesis approach with a nano‐sized catalyst coating. Phenol degradation and total organic carbon (TOC) removal followed pseudo‐first‐order kinetics in the experimental range. A maximum rate was achieved by using a Gd doping ratio of 2 % (molar ratio based on Gd/Sn), which was 56.5 % and 68 % higher than that of the control (Gd/0 %) for phenol degradation and TOC removal. The results from the UV scan of the electrolyte showed that introducing an appropriate amount of Gd could promote the electrochemical incineration process, and thus effectively degrade the chemical intermediates during phenol oxidation. In addition, the Gd/2 %‐doped electrode had the longest accelerated life time of 25 h, which was 25 % higher than that of the control. A suitable Gd doping ratio could diminish the SnO<jats:sub>2</jats:sub> crystal size and increase the specific surface area, speeding up the electrode's reaction rate, thus promoting the oxygen evolution potential. A regular and compact morphology with a smallest particle size of 9.5 nm was obtained on the Gd/2 %‐doped electrode, which prompted a smaller charge‐transfer resistance and higher electrical double‐layer capacitance than that of the control. The results from X‐ray photoelectron spectroscopy and electron paramagnetic resonance suggested that a maximal of surface active sites (i. e. oxygen vacancy) was formed on the Gd/2 %‐doped electrode, which provided abundant positive charge for adsorbing more oxygen species (37.5 %) than the control (21.5 %), and greatly enhanced the formation of ·OH to attack the targeted pollutant.</jats:p> |
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| imprint_str_mv | Wiley, 2018 |
| institution | DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1 |
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| spelling | Yang, Lisha Zhang, Zhaohan Liu, Junfeng Huang, Linlin Jia, Liu Feng, Yujie 2196-0216 2196-0216 Wiley Electrochemistry Catalysis http://dx.doi.org/10.1002/celc.201801079 <jats:title>Abstract</jats:title><jats:p>Gd‐doped TiO<jats:sub>2</jats:sub>−NT/SnO<jats:sub>2</jats:sub>−Sb (NT=nanotube) electrodes were prepared by using a solvothermal synthesis approach with a nano‐sized catalyst coating. Phenol degradation and total organic carbon (TOC) removal followed pseudo‐first‐order kinetics in the experimental range. A maximum rate was achieved by using a Gd doping ratio of 2 % (molar ratio based on Gd/Sn), which was 56.5 % and 68 % higher than that of the control (Gd/0 %) for phenol degradation and TOC removal. The results from the UV scan of the electrolyte showed that introducing an appropriate amount of Gd could promote the electrochemical incineration process, and thus effectively degrade the chemical intermediates during phenol oxidation. In addition, the Gd/2 %‐doped electrode had the longest accelerated life time of 25 h, which was 25 % higher than that of the control. A suitable Gd doping ratio could diminish the SnO<jats:sub>2</jats:sub> crystal size and increase the specific surface area, speeding up the electrode's reaction rate, thus promoting the oxygen evolution potential. A regular and compact morphology with a smallest particle size of 9.5 nm was obtained on the Gd/2 %‐doped electrode, which prompted a smaller charge‐transfer resistance and higher electrical double‐layer capacitance than that of the control. The results from X‐ray photoelectron spectroscopy and electron paramagnetic resonance suggested that a maximal of surface active sites (i. e. oxygen vacancy) was formed on the Gd/2 %‐doped electrode, which provided abundant positive charge for adsorbing more oxygen species (37.5 %) than the control (21.5 %), and greatly enhanced the formation of ·OH to attack the targeted pollutant.</jats:p> Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO<sub>2</sub> Nanotube/SnO<sub>2</sub>−Sb Nano‐coated Electrode ChemElectroChem |
| spellingShingle | Yang, Lisha, Zhang, Zhaohan, Liu, Junfeng, Huang, Linlin, Jia, Liu, Feng, Yujie, ChemElectroChem, Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode, Electrochemistry, Catalysis |
| title | Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode |
| title_full | Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode |
| title_fullStr | Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode |
| title_full_unstemmed | Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode |
| title_short | Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode |
| title_sort | influence of gd doping on the structure and electrocatalytic performance of tio<sub>2</sub> nanotube/sno<sub>2</sub>−sb nano‐coated electrode |
| title_unstemmed | Influence of Gd Doping on the Structure and Electrocatalytic Performance of TiO2 Nanotube/SnO2−Sb Nano‐coated Electrode |
| topic | Electrochemistry, Catalysis |
| url | http://dx.doi.org/10.1002/celc.201801079 |