What happens if anodic TiO2 nanotubes are soaked in H3PO4 at room temperature for a long time?
We have found that anodized amorphous TiO2 nanotubes can be transformed into rutile phase TiO2, resulting in the formation of a flower-like structure, when soaked in H3PO4 solution at room temperature for 2–4 days. The presence of PO43− ions in the soaking solution is believed to play a key role in...
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doaj-40f780eda403435192233961b4bc8ec62020-11-24T21:30:42ZengElsevierElectrochemistry Communications1388-24812019-08-01105What happens if anodic TiO2 nanotubes are soaked in H3PO4 at room temperature for a long time?Lizhen Wu0Chen Li1Ye Song2Kun Zhang3Jiajun Zhang4Puying Li5Xufei Zhu6Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology, Nanjing 210094, ChinaKey Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology, Nanjing 210094, ChinaCorresponding author.; Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology, Nanjing 210094, ChinaKey Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology, Nanjing 210094, ChinaKey Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology, Nanjing 210094, ChinaKey Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology, Nanjing 210094, ChinaKey Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology, Nanjing 210094, ChinaWe have found that anodized amorphous TiO2 nanotubes can be transformed into rutile phase TiO2, resulting in the formation of a flower-like structure, when soaked in H3PO4 solution at room temperature for 2–4 days. The presence of PO43− ions in the soaking solution is believed to play a key role in the formation of the flower-like TiO2 structure. The resulting TiO2 flower-like material can be used as a binder-free electrode and exhibits obvious redox activity in AlCl3 solution and superior supercapacitive performance compared to conventional TiO2 nanotubes. The presented technique offers a simple, scalable, energy-saving, and cost-effective way to tailor the morphology and properties of anodized TiO2 nanotubes for different applications. Keywords: TiO2 nanotubes, H3PO4 soaking, Flower-like structure, Dissolution-recrystallization, Supercapacitorshttp://www.sciencedirect.com/science/article/pii/S138824811930164X |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Lizhen Wu Chen Li Ye Song Kun Zhang Jiajun Zhang Puying Li Xufei Zhu |
spellingShingle |
Lizhen Wu Chen Li Ye Song Kun Zhang Jiajun Zhang Puying Li Xufei Zhu What happens if anodic TiO2 nanotubes are soaked in H3PO4 at room temperature for a long time? Electrochemistry Communications |
author_facet |
Lizhen Wu Chen Li Ye Song Kun Zhang Jiajun Zhang Puying Li Xufei Zhu |
author_sort |
Lizhen Wu |
title |
What happens if anodic TiO2 nanotubes are soaked in H3PO4 at room temperature for a long time? |
title_short |
What happens if anodic TiO2 nanotubes are soaked in H3PO4 at room temperature for a long time? |
title_full |
What happens if anodic TiO2 nanotubes are soaked in H3PO4 at room temperature for a long time? |
title_fullStr |
What happens if anodic TiO2 nanotubes are soaked in H3PO4 at room temperature for a long time? |
title_full_unstemmed |
What happens if anodic TiO2 nanotubes are soaked in H3PO4 at room temperature for a long time? |
title_sort |
what happens if anodic tio2 nanotubes are soaked in h3po4 at room temperature for a long time? |
publisher |
Elsevier |
series |
Electrochemistry Communications |
issn |
1388-2481 |
publishDate |
2019-08-01 |
description |
We have found that anodized amorphous TiO2 nanotubes can be transformed into rutile phase TiO2, resulting in the formation of a flower-like structure, when soaked in H3PO4 solution at room temperature for 2–4 days. The presence of PO43− ions in the soaking solution is believed to play a key role in the formation of the flower-like TiO2 structure. The resulting TiO2 flower-like material can be used as a binder-free electrode and exhibits obvious redox activity in AlCl3 solution and superior supercapacitive performance compared to conventional TiO2 nanotubes. The presented technique offers a simple, scalable, energy-saving, and cost-effective way to tailor the morphology and properties of anodized TiO2 nanotubes for different applications. Keywords: TiO2 nanotubes, H3PO4 soaking, Flower-like structure, Dissolution-recrystallization, Supercapacitors |
url |
http://www.sciencedirect.com/science/article/pii/S138824811930164X |
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