Synthesis of TiO2 nanosheets/graphene quantum dots and its application for detection of hydrogen peroxide by photoluminescence spectroscopy
Abstracts: TiO2 nanosheets/graphene quantum dots (TiO2 NSs/GQDs) have been successfully developed using a simple and rapid process at 60 °C for 30 min. The GQDs were obtained using a natural source of rice starch and ascorbic acid, a reducing agent, under a rapid and simple microwave-assisted synthe...
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| Format: | Article |
| Language: | English |
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Elsevier
2022-08-01
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| Series: | Talanta Open |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666831922000224 |
| _version_ | 1817976027929903104 |
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| author | Tran Thi Bich Quyen Ngo Nguyen Tra My Duy Toan Pham Doan Van Hong Thien |
| author_facet | Tran Thi Bich Quyen Ngo Nguyen Tra My Duy Toan Pham Doan Van Hong Thien |
| author_sort | Tran Thi Bich Quyen |
| collection | DOAJ |
| description | Abstracts: TiO2 nanosheets/graphene quantum dots (TiO2 NSs/GQDs) have been successfully developed using a simple and rapid process at 60 °C for 30 min. The GQDs were obtained using a natural source of rice starch and ascorbic acid, a reducing agent, under a rapid and simple microwave-assisted synthetic method for 10 min; and TiO2 NSs were synthesized by hydrothermal method. The synthesized TiO2 NSs/GQDs were characterized by Ultraviolet-visible spectroscopy (UV-vis), Fourier-transform infrared spectroscopy (FTIR), X – ray Diffractometry (XRD), Transmission Electron Microscopy (TEM), and Energy Dispersive X-Ray Analysis (EDX). The novel TiO2 NSs/GQDs were successfully synthesized, possessed an average particle size of ∼10–15 nm (TiO2 NSs) and ∼8–10 nm (GQDs), and were homogenously distributed in the dispersion. Regarding the catalytic application, the TiO2 NSs/GQDs demonstrated high catalytic and photocatalytic activity for the detection of hydrogen peroxide (H2O2) by photoluminescence spectroscopy at an excitation wavelength of 360 nm, with a low H2O2 limit of detection (LOD) of 10−14 M and a wide detection range from 10−14 M to 10−2 M. |
| first_indexed | 2024-04-13T21:57:07Z |
| format | Article |
| id | doaj.art-3d97da7232dd44f3b7ab6a0f8b9b0d85 |
| institution | Directory Open Access Journal |
| issn | 2666-8319 |
| language | English |
| last_indexed | 2024-04-13T21:57:07Z |
| publishDate | 2022-08-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Talanta Open |
| spelling | doaj.art-3d97da7232dd44f3b7ab6a0f8b9b0d852022-12-22T02:28:12ZengElsevierTalanta Open2666-83192022-08-015100103Synthesis of TiO2 nanosheets/graphene quantum dots and its application for detection of hydrogen peroxide by photoluminescence spectroscopyTran Thi Bich Quyen0Ngo Nguyen Tra My1Duy Toan Pham2Doan Van Hong Thien3Department of Chemical Engineering, College of Technology, Can Tho University, 3/2 Street, Ninh Kieu District, Can Tho, Viet Nam; Corresponding author.Department of Chemical Engineering, College of Technology, Can Tho University, 3/2 Street, Ninh Kieu District, Can Tho, Viet NamDepartment of Chemistry, College of Natural Sciences, Can Tho University, 3/2 Street, Ninh Kieu District, Can Tho, Viet NamDepartment of Chemical Engineering, College of Technology, Can Tho University, 3/2 Street, Ninh Kieu District, Can Tho, Viet NamAbstracts: TiO2 nanosheets/graphene quantum dots (TiO2 NSs/GQDs) have been successfully developed using a simple and rapid process at 60 °C for 30 min. The GQDs were obtained using a natural source of rice starch and ascorbic acid, a reducing agent, under a rapid and simple microwave-assisted synthetic method for 10 min; and TiO2 NSs were synthesized by hydrothermal method. The synthesized TiO2 NSs/GQDs were characterized by Ultraviolet-visible spectroscopy (UV-vis), Fourier-transform infrared spectroscopy (FTIR), X – ray Diffractometry (XRD), Transmission Electron Microscopy (TEM), and Energy Dispersive X-Ray Analysis (EDX). The novel TiO2 NSs/GQDs were successfully synthesized, possessed an average particle size of ∼10–15 nm (TiO2 NSs) and ∼8–10 nm (GQDs), and were homogenously distributed in the dispersion. Regarding the catalytic application, the TiO2 NSs/GQDs demonstrated high catalytic and photocatalytic activity for the detection of hydrogen peroxide (H2O2) by photoluminescence spectroscopy at an excitation wavelength of 360 nm, with a low H2O2 limit of detection (LOD) of 10−14 M and a wide detection range from 10−14 M to 10−2 M.http://www.sciencedirect.com/science/article/pii/S2666831922000224TiO2 nanosheets/graphene quantum dotsTitanium dioxide nanosheetsPhotocatalytic activityHydrogen peroxideRice starchPhotoluminescence spectroscopy (PL) |
| spellingShingle | Tran Thi Bich Quyen Ngo Nguyen Tra My Duy Toan Pham Doan Van Hong Thien Synthesis of TiO2 nanosheets/graphene quantum dots and its application for detection of hydrogen peroxide by photoluminescence spectroscopy Talanta Open TiO2 nanosheets/graphene quantum dots Titanium dioxide nanosheets Photocatalytic activity Hydrogen peroxide Rice starch Photoluminescence spectroscopy (PL) |
| title | Synthesis of TiO2 nanosheets/graphene quantum dots and its application for detection of hydrogen peroxide by photoluminescence spectroscopy |
| title_full | Synthesis of TiO2 nanosheets/graphene quantum dots and its application for detection of hydrogen peroxide by photoluminescence spectroscopy |
| title_fullStr | Synthesis of TiO2 nanosheets/graphene quantum dots and its application for detection of hydrogen peroxide by photoluminescence spectroscopy |
| title_full_unstemmed | Synthesis of TiO2 nanosheets/graphene quantum dots and its application for detection of hydrogen peroxide by photoluminescence spectroscopy |
| title_short | Synthesis of TiO2 nanosheets/graphene quantum dots and its application for detection of hydrogen peroxide by photoluminescence spectroscopy |
| title_sort | synthesis of tio2 nanosheets graphene quantum dots and its application for detection of hydrogen peroxide by photoluminescence spectroscopy |
| topic | TiO2 nanosheets/graphene quantum dots Titanium dioxide nanosheets Photocatalytic activity Hydrogen peroxide Rice starch Photoluminescence spectroscopy (PL) |
| url | http://www.sciencedirect.com/science/article/pii/S2666831922000224 |
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