Details
| Original language | English |
|---|---|
| Article number | 120374 |
| Number of pages | 10 |
| Journal | Chemical engineering science |
| Volume | 298 |
| Early online date | 12 Jun 2024 |
| Publication status | Published - 5 Oct 2024 |
Abstract
Photocatalyst immobilization on biopolymers presents a promising avenue for air purification, yet achieving efficient immobilization and purification methods remains a challenge. In this study, we develop a novel, straightforward sequential coating technique to fabricate cellulose film embedded with uniformly dispersed TiO2 submicrospheres and Ag-AgCl nanoparticles (NPs), tailored for effective indoor air purification under sunlight exposure. The obtained Ag-AgCl/TiO2/cellulose film exhibit remarkable photocatalytic prowess in degrading various volatile organic compounds (VOCs, including ethanol, 1-propanol, 1-butanol, propylamine, and propanethiol) under simulated sunlight, owing to the enhanced separation of charge carriers facilitated by the presence of plasmonic Ag-AgCl NPs. Notably, the nature of the functional groups and the carbon atom count within the VOCs molecular structures exert significant influence on the overall photocatalytic performance. Furthermore, our investigation into the reusability of this biocomposite film confirms its durability, particularly in mineralizing alcoholic compounds during VOC oxidization, and the deactivation primarily occurs with VOCs containing heteroatoms that can be residual on biocomposite surface. This study represents a significant step towards practical applications of biocomposite films with efficient photocatalytic activities for real-world air purification and environmental remediation.
Keywords
- Ag-AgCl/TiO plasmonic photocatalyst, Air purification, Cellulose paper, Solar energy conversion, VOCs degradation
ASJC Scopus subject areas
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In: Chemical engineering science, Vol. 298, 120374, 05.10.2024.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Flexible Ag-AgCl/TiO2/cellulose biocomposite film for solar photocatalytic degradation of VOCs
AU - Sboui, Mouheb
AU - Al-Ghamdi, Youssef O.
AU - Alamry, Khalid A.
AU - Hussein, Mahmoud A.
AU - Nsib, Mohamed Faouzi
AU - Lu, Gui
AU - Swaminathan, Meenakshisundaram
AU - Bahnemann, Detlef W.
AU - Pan, Jia Hong
N1 - Publisher Copyright: © 2024 Elsevier Ltd
PY - 2024/10/5
Y1 - 2024/10/5
N2 - Photocatalyst immobilization on biopolymers presents a promising avenue for air purification, yet achieving efficient immobilization and purification methods remains a challenge. In this study, we develop a novel, straightforward sequential coating technique to fabricate cellulose film embedded with uniformly dispersed TiO2 submicrospheres and Ag-AgCl nanoparticles (NPs), tailored for effective indoor air purification under sunlight exposure. The obtained Ag-AgCl/TiO2/cellulose film exhibit remarkable photocatalytic prowess in degrading various volatile organic compounds (VOCs, including ethanol, 1-propanol, 1-butanol, propylamine, and propanethiol) under simulated sunlight, owing to the enhanced separation of charge carriers facilitated by the presence of plasmonic Ag-AgCl NPs. Notably, the nature of the functional groups and the carbon atom count within the VOCs molecular structures exert significant influence on the overall photocatalytic performance. Furthermore, our investigation into the reusability of this biocomposite film confirms its durability, particularly in mineralizing alcoholic compounds during VOC oxidization, and the deactivation primarily occurs with VOCs containing heteroatoms that can be residual on biocomposite surface. This study represents a significant step towards practical applications of biocomposite films with efficient photocatalytic activities for real-world air purification and environmental remediation.
AB - Photocatalyst immobilization on biopolymers presents a promising avenue for air purification, yet achieving efficient immobilization and purification methods remains a challenge. In this study, we develop a novel, straightforward sequential coating technique to fabricate cellulose film embedded with uniformly dispersed TiO2 submicrospheres and Ag-AgCl nanoparticles (NPs), tailored for effective indoor air purification under sunlight exposure. The obtained Ag-AgCl/TiO2/cellulose film exhibit remarkable photocatalytic prowess in degrading various volatile organic compounds (VOCs, including ethanol, 1-propanol, 1-butanol, propylamine, and propanethiol) under simulated sunlight, owing to the enhanced separation of charge carriers facilitated by the presence of plasmonic Ag-AgCl NPs. Notably, the nature of the functional groups and the carbon atom count within the VOCs molecular structures exert significant influence on the overall photocatalytic performance. Furthermore, our investigation into the reusability of this biocomposite film confirms its durability, particularly in mineralizing alcoholic compounds during VOC oxidization, and the deactivation primarily occurs with VOCs containing heteroatoms that can be residual on biocomposite surface. This study represents a significant step towards practical applications of biocomposite films with efficient photocatalytic activities for real-world air purification and environmental remediation.
KW - Ag-AgCl/TiO plasmonic photocatalyst
KW - Air purification
KW - Cellulose paper
KW - Solar energy conversion
KW - VOCs degradation
UR - http://www.scopus.com/inward/record.url?scp=85196844060&partnerID=8YFLogxK
U2 - 10.1016/j.ces.2024.120374
DO - 10.1016/j.ces.2024.120374
M3 - Article
AN - SCOPUS:85196844060
VL - 298
JO - Chemical engineering science
JF - Chemical engineering science
SN - 0009-2509
M1 - 120374
ER -