Surfactant-free pH-assisted facile engineering of hierarchical rutile TiO2 nanostructures by a single step hydrothermal method for water splitting application.
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| Title: | Surfactant-free pH-assisted facile engineering of hierarchical rutile TiO |
|---|---|
| Authors: | Burungale, V. V.1 (AUTHOR), Bae, Hyojung1 (AUTHOR), Kamble, A. S.2 (AUTHOR), Kim, J.-H.2 (AUTHOR), Patil, P. S.3 (AUTHOR) psp_phy@unishivaji.ac.in, Ha, J.-S.1,4 (AUTHOR) jsha@jnu.ac.kr |
| Source: | CrystEngComm. 4/14/2020, Vol. 22 Issue 14, p2462-2471. 10p. |
| Subjects: | Transmission electron microscopes, Rutile, Photoelectrochemical cells, Nanostructures, Scanning electron microscopes, X-ray spectrometers |
| Abstract: | A photoanode of distinct hierarchical pure rutile phase TiO2 nanostructures was successfully prepared by a surfactant and template-free, single-step hydrothermal route. Tuning of the morphology from compact broccoli-like structures of ∼4 μm in diameter to outsized round bottle brush flower-like structures of ∼12 μm in diameter was achieved only by varying the pH (concentration of HCl) of the solvent. The subsequent growth mechanism of the different hierarchical structures was thoroughly illustrated using appropriate schematics. The structural, optical and morphological properties of all the rutile TiO2 photoanodes have been studied by using an X-ray diffractometer, X-ray photoelectron spectrometer, UV-vis spectrophotometer, scanning electron microscope and transmission electron microscope. The deposited TiO2 nanostructures were directly used as a photoanode in a photoelectrochemical cell. The photocurrent showed an increasing trend with decreasing theoretical pH up to −0.76 (corresponding to a HCl concentration of 5.7 M) of the solvent used for preparing the nanostructures. However, further decrement in the pH resulted in lowering of the photocurrent. The best photoelectrochemical performance is observed for the rutile TiO2 photoanode with a well-arranged microflower-like structure corresponding to pH −0.76. [ABSTRACT FROM AUTHOR] |
| Copyright of CrystEngComm is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 142600824 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Surfactant-free pH-assisted facile engineering of hierarchical rutile TiO<subscript>2</subscript> nanostructures by a single step hydrothermal method for water splitting application. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Burungale%2C+V%2E+V%2E%22">Burungale, V. V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bae%2C+Hyojung%22">Bae, Hyojung</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kamble%2C+A%2E+S%2E%22">Kamble, A. S.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kim%2C+J%2E-H%2E%22">Kim, J.-H.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Patil%2C+P%2E+S%2E%22">Patil, P. S.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> psp_phy@unishivaji.ac.in</i><br /><searchLink fieldCode="AR" term="%22Ha%2C+J%2E-S%2E%22">Ha, J.-S.</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<i> jsha@jnu.ac.kr</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22CrystEngComm%22">CrystEngComm</searchLink>. 4/14/2020, Vol. 22 Issue 14, p2462-2471. 10p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Transmission+electron+microscopes%22">Transmission electron microscopes</searchLink><br /><searchLink fieldCode="DE" term="%22Rutile%22">Rutile</searchLink><br /><searchLink fieldCode="DE" term="%22Photoelectrochemical+cells%22">Photoelectrochemical cells</searchLink><br /><searchLink fieldCode="DE" term="%22Nanostructures%22">Nanostructures</searchLink><br /><searchLink fieldCode="DE" term="%22Scanning+electron+microscopes%22">Scanning electron microscopes</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+spectrometers%22">X-ray spectrometers</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: A photoanode of distinct hierarchical pure rutile phase TiO2 nanostructures was successfully prepared by a surfactant and template-free, single-step hydrothermal route. Tuning of the morphology from compact broccoli-like structures of ∼4 μm in diameter to outsized round bottle brush flower-like structures of ∼12 μm in diameter was achieved only by varying the pH (concentration of HCl) of the solvent. The subsequent growth mechanism of the different hierarchical structures was thoroughly illustrated using appropriate schematics. The structural, optical and morphological properties of all the rutile TiO2 photoanodes have been studied by using an X-ray diffractometer, X-ray photoelectron spectrometer, UV-vis spectrophotometer, scanning electron microscope and transmission electron microscope. The deposited TiO2 nanostructures were directly used as a photoanode in a photoelectrochemical cell. The photocurrent showed an increasing trend with decreasing theoretical pH up to −0.76 (corresponding to a HCl concentration of 5.7 M) of the solvent used for preparing the nanostructures. However, further decrement in the pH resulted in lowering of the photocurrent. The best photoelectrochemical performance is observed for the rutile TiO2 photoanode with a well-arranged microflower-like structure corresponding to pH −0.76. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of CrystEngComm is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1039/d0ce00202j Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 10 StartPage: 2462 Subjects: – SubjectFull: Transmission electron microscopes Type: general – SubjectFull: Rutile Type: general – SubjectFull: Photoelectrochemical cells Type: general – SubjectFull: Nanostructures Type: general – SubjectFull: Scanning electron microscopes Type: general – SubjectFull: X-ray spectrometers Type: general Titles: – TitleFull: Surfactant-free pH-assisted facile engineering of hierarchical rutile TiO2 nanostructures by a single step hydrothermal method for water splitting application. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Burungale, V. V. – PersonEntity: Name: NameFull: Bae, Hyojung – PersonEntity: Name: NameFull: Kamble, A. S. – PersonEntity: Name: NameFull: Kim, J.-H. – PersonEntity: Name: NameFull: Patil, P. S. – PersonEntity: Name: NameFull: Ha, J.-S. IsPartOfRelationships: – BibEntity: Dates: – D: 14 M: 04 Text: 4/14/2020 Type: published Y: 2020 Identifiers: – Type: issn-print Value: 14668033 Numbering: – Type: volume Value: 22 – Type: issue Value: 14 Titles: – TitleFull: CrystEngComm Type: main |
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