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Water-based immobilized Ag-doped TiO₂ photocatalyst for photocatalytic degradation of RR4 dye / Nureel Imanina Abdul Ghani … [et al.]

This study used water-based preparation of immobilised Ag-TiO2 using the DSAT technique to avoid solvent interference of Ag-TiO2 photocatalytic performance. The preparation of Ag-TiO2 was conducted via the photodeposition method with silver nitrate (AgNO3) as Ag precursor at various ratios of Ag dop...

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Main Authors: Abdul Ghani, Nureel Imanina, Rosli, Muhammad Afiq, Hamzah, Siti Raihan, Natar, Nadiah Sabihah, Nazeri, Nur Syazana, Ab Aziz, Syahirul Ikhwan, Mohamad, Sarina, Wan Ismail, Wan Izhan Nawawi
Format: Article
Language:English
Published: UiTM Press 2022
Subjects:
Paints, pigments, varnishes, etc.
Online Access:https://ir.uitm.edu.my/id/eprint/63178/1/63178.pdf
https://ir.uitm.edu.my/id/eprint/63178/
https://scilett-fsg.uitm.edu.my/
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spelling my.uitm.ir.631782022-06-30T01:13:56Z https://ir.uitm.edu.my/id/eprint/63178/ Water-based immobilized Ag-doped TiO₂ photocatalyst for photocatalytic degradation of RR4 dye / Nureel Imanina Abdul Ghani … [et al.] Abdul Ghani, Nureel Imanina Rosli, Muhammad Afiq Hamzah, Siti Raihan Natar, Nadiah Sabihah Nazeri, Nur Syazana Ab Aziz, Syahirul Ikhwan Mohamad, Sarina Wan Ismail, Wan Izhan Nawawi Paints, pigments, varnishes, etc. This study used water-based preparation of immobilised Ag-TiO2 using the DSAT technique to avoid solvent interference of Ag-TiO2 photocatalytic performance. The preparation of Ag-TiO2 was conducted via the photodeposition method with silver nitrate (AgNO3) as Ag precursor at various ratios of Ag dopant to TiO2. The immobilisation of Ag-TiO2 was prepared via water-based immobilisation using the DSAT method, and XRD and FESEM-EDX characterised the obtained photocatalyst. The photocatalytic performance of Ag-TiO2 was measured by photocatalytic degradation of Reactive Red 4 (RR4) dye. The optimum photocatalytic performance of suspension mode Ag-TiO2 was obtained at 3 % of Ag-TiO2. Sample 3 % Ag-TiO2 was applied under immobilisation mode with complete degradation of 30 mg/L RR4 dye achieved within 60 min under 55 W fluorescent lamp irradiation. It is 36 % faster compared to immobilised, unmodified TiO2. The acquired results from FESEM-EDX indicated the presence of 0.6 % Ag on the Ag-TiO2 photocatalyst sample. The photodegradation rate of immobilized 3 % Ag-TiO2 sample under different solvents has shown the different values among all where it was 0.096 > 0.037 > 0.029 > 0.029 > 0.025 min-1 for water-base, ethanol, methanol, dichloromethane and acetone respectively. Thus, the solvents can influence the photocatalytic performance of the immobilised 3 % Ag-TiO2 photocatalyst by molecular interference between Ag-doped in TiO2. The water-based immobilised 3 % Ag-TiO2 sample also has a sustainable performance where the photocatalytic activities are comparable to 10 cycles. UiTM Press 2022-06 Article PeerReviewed text en https://ir.uitm.edu.my/id/eprint/63178/1/63178.pdf Water-based immobilized Ag-doped TiO₂ photocatalyst for photocatalytic degradation of RR4 dye / Nureel Imanina Abdul Ghani … [et al.]. (2022) Science Letters (ScL), 16 (2): 16. pp. 24-39. ISSN (eISSN): 2682-8626 https://scilett-fsg.uitm.edu.my/
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic Paints, pigments, varnishes, etc.
spellingShingle Paints, pigments, varnishes, etc.
Abdul Ghani, Nureel Imanina
Rosli, Muhammad Afiq
Hamzah, Siti Raihan
Natar, Nadiah Sabihah
Nazeri, Nur Syazana
Ab Aziz, Syahirul Ikhwan
Mohamad, Sarina
Wan Ismail, Wan Izhan Nawawi
Water-based immobilized Ag-doped TiO₂ photocatalyst for photocatalytic degradation of RR4 dye / Nureel Imanina Abdul Ghani … [et al.]
description This study used water-based preparation of immobilised Ag-TiO2 using the DSAT technique to avoid solvent interference of Ag-TiO2 photocatalytic performance. The preparation of Ag-TiO2 was conducted via the photodeposition method with silver nitrate (AgNO3) as Ag precursor at various ratios of Ag dopant to TiO2. The immobilisation of Ag-TiO2 was prepared via water-based immobilisation using the DSAT method, and XRD and FESEM-EDX characterised the obtained photocatalyst. The photocatalytic performance of Ag-TiO2 was measured by photocatalytic degradation of Reactive Red 4 (RR4) dye. The optimum photocatalytic performance of suspension mode Ag-TiO2 was obtained at 3 % of Ag-TiO2. Sample 3 % Ag-TiO2 was applied under immobilisation mode with complete degradation of 30 mg/L RR4 dye achieved within 60 min under 55 W fluorescent lamp irradiation. It is 36 % faster compared to immobilised, unmodified TiO2. The acquired results from FESEM-EDX indicated the presence of 0.6 % Ag on the Ag-TiO2 photocatalyst sample. The photodegradation rate of immobilized 3 % Ag-TiO2 sample under different solvents has shown the different values among all where it was 0.096 > 0.037 > 0.029 > 0.029 > 0.025 min-1 for water-base, ethanol, methanol, dichloromethane and acetone respectively. Thus, the solvents can influence the photocatalytic performance of the immobilised 3 % Ag-TiO2 photocatalyst by molecular interference between Ag-doped in TiO2. The water-based immobilised 3 % Ag-TiO2 sample also has a sustainable performance where the photocatalytic activities are comparable to 10 cycles.
format Article
author Abdul Ghani, Nureel Imanina
Rosli, Muhammad Afiq
Hamzah, Siti Raihan
Natar, Nadiah Sabihah
Nazeri, Nur Syazana
Ab Aziz, Syahirul Ikhwan
Mohamad, Sarina
Wan Ismail, Wan Izhan Nawawi
author_facet Abdul Ghani, Nureel Imanina
Rosli, Muhammad Afiq
Hamzah, Siti Raihan
Natar, Nadiah Sabihah
Nazeri, Nur Syazana
Ab Aziz, Syahirul Ikhwan
Mohamad, Sarina
Wan Ismail, Wan Izhan Nawawi
author_sort Abdul Ghani, Nureel Imanina
title Water-based immobilized Ag-doped TiO₂ photocatalyst for photocatalytic degradation of RR4 dye / Nureel Imanina Abdul Ghani … [et al.]
title_short Water-based immobilized Ag-doped TiO₂ photocatalyst for photocatalytic degradation of RR4 dye / Nureel Imanina Abdul Ghani … [et al.]
title_full Water-based immobilized Ag-doped TiO₂ photocatalyst for photocatalytic degradation of RR4 dye / Nureel Imanina Abdul Ghani … [et al.]
title_fullStr Water-based immobilized Ag-doped TiO₂ photocatalyst for photocatalytic degradation of RR4 dye / Nureel Imanina Abdul Ghani … [et al.]
title_full_unstemmed Water-based immobilized Ag-doped TiO₂ photocatalyst for photocatalytic degradation of RR4 dye / Nureel Imanina Abdul Ghani … [et al.]
title_sort water-based immobilized ag-doped tio₂ photocatalyst for photocatalytic degradation of rr4 dye / nureel imanina abdul ghani … [et al.]
publisher UiTM Press
publishDate 2022
url https://ir.uitm.edu.my/id/eprint/63178/1/63178.pdf
https://ir.uitm.edu.my/id/eprint/63178/
https://scilett-fsg.uitm.edu.my/
_version_ 1738514011111030784
score 13.211869

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