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Pornapa Sujaridworakun. Effect of flux treatment process on photocatalytic dye degradation of aluminium-doped strontium titanate. (). King Mongkut's University of Technology North Bangkok. Central Library. : , 2024.
Effect of flux treatment process on photocatalytic dye degradation of aluminium-doped strontium titanate
Name: Natruja Towiratkit
Organization :
Chulalongkorn University. Faculty of Science
Organization :
Chulalongkorn University. Faculty of Science
Organization :
Chulalongkorn University. Faculty of Science
Organization :
Chulalongkorn University. Metallurgy and Materials Science Research Institute
Name: Pornapa Sujaridworakun
Organization :
Chulalongkorn University. Center of Excellence on Petrochemical and Materials Technology
Email :
pornapa.s@chula.ac.th
LCSH:
Photocatalysis
LCSH:
Dyes and dyeing
LCSH:
Titanates
LCSH:
Strontium compounds
Abstract:
This study aimed to investigate the photocatalytic efficiency for organic dye degradation of
aluminum-doped strontium titanate (Al-doped SrTiO3) synthesized by the flux treatment method. The
preparation process involves the solid-state synthesis of SrTiO3 using SrCO3 and TiO2 as precursors at 900
1300 °C, followed by flux treatment with SrCl2 in an alumina crucible at 1150 °C for 10 hours. Al doping was
performed by adding Al2O3 powder during flux treatment process. To investigate the effect of flux-treatment,
Al-doped SrTiO3 was also prepared by solid state without fluxing process. The obtained products were
characterized for phase, morphology, chemical composition, surface area and optical property using X-ray
diffraction (XRD), Scanning electron microscopy (SEM), Energy-dispersive X-ray spectroscopy (EDS),
Brunauer-Emmett-Teller (BET) analysis, and Fluorescence spectroscopy, respectively. It was found that the
pure SrTiO3 phase was formed after solid-state synthesis at 1300 °C and remained unchanged after treatment
with SrCl2 flux. SEM images obviously showed that the morphology of SrTiO3 particles changed from a fine
irregular shape to a cubic shape (1-2.5 μm) when it was treated with SrCl2 flux. Additionally, the particle size
of cubic SrTiO3 was drastically decreased (200500 nm) after Al-doping. The photocatalytic efficiency was
evaluated by photodegradation of rhodamine B solution under UV light irradiation for 60 minutes. The results
showed that flux-treated Al-doped SrTiO3 sample could degrade rhodamine B up to 21.66%, more efficient
than flux-treated SrTiO3 (10.24%), solid-stated SrTiO3 (3.10%) and solid-stated Al-doped SrTiO3 (0.64%),
respectively. It can be suggested that flux treatment using SrCl2 and Al doping played an essential role in
enhancing photocatalytic activity for dye degradation of SrTiO3 under UV light
King Mongkut's University of Technology North Bangkok. Central Library
Address:
BANGKOK
Email:
library@kmutnb.ac.th
Created:
2024
Modified:
2024-12-04
Issued:
2024-12-04
บทความ/Article
application/pdf
BibliograpyCitation :
In Kasetsart University. Faculty of Science. The Pure and Applied Chemistry International Conference 2024 (PACCON 2024) (pp.755-760). Bangkok : Kasetsart University, 2024
eng
©copyrights King Mongkut's University of Technology North Bangkok
RightsAccess:
ใช้เวลา
0.035101 วินาที
Natruja Towiratkit
| Title | Contributor | Type |
|---|---|---|
| Effect of flux treatment process on photocatalytic dye degradation of aluminium-doped strontium titanate
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Natruja Towiratkit;Thanakorn Wasanapiarnpong;Wuttichai Reainthippayasakul;Noppakhate Jiraborvornpongsa; Pornapa Sujaridworakun | บทความ/Article |
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| Effect of flux treatment process on photocatalytic dye degradation of aluminium-doped strontium titanate
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| Effect of flux treatment process on photocatalytic dye degradation of aluminium-doped strontium titanate
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Natruja Towiratkit;Thanakorn Wasanapiarnpong;Wuttichai Reainthippayasakul;Noppakhate Jiraborvornpongsa; Pornapa Sujaridworakun | บทความ/Article |
Noppakhate Jiraborvornpongsa
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| Effect of flux treatment process on photocatalytic dye degradation of aluminium-doped strontium titanate
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Natruja Towiratkit;Thanakorn Wasanapiarnpong;Wuttichai Reainthippayasakul;Noppakhate Jiraborvornpongsa; Pornapa Sujaridworakun | บทความ/Article |
Pornapa Sujaridworakun
| Title | Contributor | Type |
|---|---|---|
| Effect of flux treatment process on photocatalytic dye degradation of aluminium-doped strontium titanate
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Natruja Towiratkit;Thanakorn Wasanapiarnpong;Wuttichai Reainthippayasakul;Noppakhate Jiraborvornpongsa; Pornapa Sujaridworakun | บทความ/Article |