Facile synthesis of urchin-like hierarchical Nb<ce:inf loc="post">2</ce:inf>O<ce:inf loc="post">5</ce:inf> nanospheres with enhanced visible light photocatalytic activity
Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron micro...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Chen, Junli [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017transfer abstract |
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| Schlagwörter: |
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| Umfang: |
10 |
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| Übergeordnetes Werk: |
Enthalten in: Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners - Jacobs, Jacquelyn A. ELSEVIER, 2017, JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics, Lausanne |
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| Übergeordnetes Werk: |
volume:728 ; year:2017 ; day:25 ; month:12 ; pages:19-28 ; extent:10 |
| Links: |
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| DOI / URN: |
10.1016/j.jallcom.2017.08.266 |
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ELV015293467 |
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| 520 | |a Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. | ||
| 520 | |a Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. | ||
| 650 | 7 | |a Urchin-like hierarchical structure |2 Elsevier | |
| 650 | 7 | |a Photocatalytic degradation |2 Elsevier | |
| 650 | 7 | |a Niobium oxide |2 Elsevier | |
| 650 | 7 | |a Dye-sensitized photodegradation |2 Elsevier | |
| 700 | 1 | |a Wang, Hai |4 oth | |
| 700 | 1 | |a Huang, Gailing |4 oth | |
| 700 | 1 | |a Zhang, Zhiqiang |4 oth | |
| 700 | 1 | |a Han, Lifeng |4 oth | |
| 700 | 1 | |a Song, Wei |4 oth | |
| 700 | 1 | |a Li, Mingyu |4 oth | |
| 700 | 1 | |a Zhang, Yonghui |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Jacobs, Jacquelyn A. ELSEVIER |t Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners |d 2017 |d JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics |g Lausanne |w (DE-627)ELV001115774 |
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10.1016/j.jallcom.2017.08.266 doi GBV00000000000359.pica (DE-627)ELV015293467 (ELSEVIER)S0925-8388(17)33004-9 DE-627 ger DE-627 rakwb eng 630 VZ Chen, Junli verfasserin aut Facile synthesis of urchin-like hierarchical Nb<ce:inf loc="post">2</ce:inf>O<ce:inf loc="post">5</ce:inf> nanospheres with enhanced visible light photocatalytic activity 2017transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. Urchin-like hierarchical structure Elsevier Photocatalytic degradation Elsevier Niobium oxide Elsevier Dye-sensitized photodegradation Elsevier Wang, Hai oth Huang, Gailing oth Zhang, Zhiqiang oth Han, Lifeng oth Song, Wei oth Li, Mingyu oth Zhang, Yonghui oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:728 year:2017 day:25 month:12 pages:19-28 extent:10 https://doi.org/10.1016/j.jallcom.2017.08.266 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 728 2017 25 1225 19-28 10 |
| spelling |
10.1016/j.jallcom.2017.08.266 doi GBV00000000000359.pica (DE-627)ELV015293467 (ELSEVIER)S0925-8388(17)33004-9 DE-627 ger DE-627 rakwb eng 630 VZ Chen, Junli verfasserin aut Facile synthesis of urchin-like hierarchical Nb<ce:inf loc="post">2</ce:inf>O<ce:inf loc="post">5</ce:inf> nanospheres with enhanced visible light photocatalytic activity 2017transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. Urchin-like hierarchical structure Elsevier Photocatalytic degradation Elsevier Niobium oxide Elsevier Dye-sensitized photodegradation Elsevier Wang, Hai oth Huang, Gailing oth Zhang, Zhiqiang oth Han, Lifeng oth Song, Wei oth Li, Mingyu oth Zhang, Yonghui oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:728 year:2017 day:25 month:12 pages:19-28 extent:10 https://doi.org/10.1016/j.jallcom.2017.08.266 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 728 2017 25 1225 19-28 10 |
| allfields_unstemmed |
10.1016/j.jallcom.2017.08.266 doi GBV00000000000359.pica (DE-627)ELV015293467 (ELSEVIER)S0925-8388(17)33004-9 DE-627 ger DE-627 rakwb eng 630 VZ Chen, Junli verfasserin aut Facile synthesis of urchin-like hierarchical Nb<ce:inf loc="post">2</ce:inf>O<ce:inf loc="post">5</ce:inf> nanospheres with enhanced visible light photocatalytic activity 2017transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. Urchin-like hierarchical structure Elsevier Photocatalytic degradation Elsevier Niobium oxide Elsevier Dye-sensitized photodegradation Elsevier Wang, Hai oth Huang, Gailing oth Zhang, Zhiqiang oth Han, Lifeng oth Song, Wei oth Li, Mingyu oth Zhang, Yonghui oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:728 year:2017 day:25 month:12 pages:19-28 extent:10 https://doi.org/10.1016/j.jallcom.2017.08.266 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 728 2017 25 1225 19-28 10 |
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10.1016/j.jallcom.2017.08.266 doi GBV00000000000359.pica (DE-627)ELV015293467 (ELSEVIER)S0925-8388(17)33004-9 DE-627 ger DE-627 rakwb eng 630 VZ Chen, Junli verfasserin aut Facile synthesis of urchin-like hierarchical Nb<ce:inf loc="post">2</ce:inf>O<ce:inf loc="post">5</ce:inf> nanospheres with enhanced visible light photocatalytic activity 2017transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. Urchin-like hierarchical structure Elsevier Photocatalytic degradation Elsevier Niobium oxide Elsevier Dye-sensitized photodegradation Elsevier Wang, Hai oth Huang, Gailing oth Zhang, Zhiqiang oth Han, Lifeng oth Song, Wei oth Li, Mingyu oth Zhang, Yonghui oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:728 year:2017 day:25 month:12 pages:19-28 extent:10 https://doi.org/10.1016/j.jallcom.2017.08.266 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 728 2017 25 1225 19-28 10 |
| allfieldsSound |
10.1016/j.jallcom.2017.08.266 doi GBV00000000000359.pica (DE-627)ELV015293467 (ELSEVIER)S0925-8388(17)33004-9 DE-627 ger DE-627 rakwb eng 630 VZ Chen, Junli verfasserin aut Facile synthesis of urchin-like hierarchical Nb<ce:inf loc="post">2</ce:inf>O<ce:inf loc="post">5</ce:inf> nanospheres with enhanced visible light photocatalytic activity 2017transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. Urchin-like hierarchical structure Elsevier Photocatalytic degradation Elsevier Niobium oxide Elsevier Dye-sensitized photodegradation Elsevier Wang, Hai oth Huang, Gailing oth Zhang, Zhiqiang oth Han, Lifeng oth Song, Wei oth Li, Mingyu oth Zhang, Yonghui oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:728 year:2017 day:25 month:12 pages:19-28 extent:10 https://doi.org/10.1016/j.jallcom.2017.08.266 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 728 2017 25 1225 19-28 10 |
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Enthalten in Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners Lausanne volume:728 year:2017 day:25 month:12 pages:19-28 extent:10 |
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facile synthesis of urchin-like hierarchical nb<ce:inf loc="post">2</ce:inf>o<ce:inf loc="post">5</ce:inf> nanospheres with enhanced visible light photocatalytic activity |
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Facile synthesis of urchin-like hierarchical Nb<ce:inf loc="post">2</ce:inf>O<ce:inf loc="post">5</ce:inf> nanospheres with enhanced visible light photocatalytic activity |
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Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. |
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Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. |
| abstract_unstemmed |
Urchin-like Nb2O5 nanospheres having an overall diameter of 300–500 nm and containing well-ordered independent nanorods with a diameter of 5–10 nm and a length of about 100 nm were synthesized using a facile and template-free method. X-ray diffraction (XRD) and field emission scanning electron microscopy results showed that the morphology of Nb2O5 can be regulated by adjusting the ratio of water/ethanol in the starting solution. High-resolution transmission electron microscopy images indicated that the nanorods grew along the [001] zone direction. Then, the formation mechanism of the urchin-like Nb2O5 was investigated through XRD and transmission electron microscopy. The urchin-like Nb2O5-1-1 nanospheres obtained at a water/ethanol ratio of 1/1 exhibited the highest photocatalytic activity for the degradation of Rhodamine B (RhB) under visible light, showing about 4.4 times of the activity of Nb2O5-1-4 and about 4.1 times of that of TiO2 (P25). The degradation mechanism of RhB on the urchin-like Nb2O5 nanospheres was demonstrated by terephthalic acid photoluminescence technique and photoelectrochemical measurements. The results revealed that the dye-sensitized photodegradation process was the main mechanism of RhB degradation under visible light irradiation. |
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