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A novel ternary Mica/TiO2/Fe2O3 composite pearlescent pigment for the photocatalytic degradation of acetaldehyde
Fang, XM; Lu, GH; Mahmood, A; Tang, ZH; Liu, ZW; Zhang, LL; Wang, Y; Sun, J
2020-09-01
Source PublicationJOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
ISSN1010-6030
SubtypeArticle
AbstractA novel ternary mica/TiO2/Fe2O3 composite pearlescent pigment has been designed for the photocatalytic oxidation of gas-phase acetaldehyde in the application of indoor air purification. The mica/TiO2/Fe2O3-x (MTF-x, x = m(Fe2O3) : m(TiO2) = 0.5-2: 100) composites were synthesized by a sol-gel assisted hydrothermal method. The MTF-1.5 composite shows optimal photocatalytic performance, which is 1.8 times photodegradation efficiency and 2.2 times CO2 mineralization efficiency higher than those of pure TiO2. The enhanced photocatalytic performance of MTF-x (x = 0.5-2) composites could be associated with enhanced reflectivity of mica, which eventually improved the light absorption properties. Also, the presence of TiO2/Fe2O3 heterostructure facilitated charge separation in the MTF ternary composite. Besides, superoxide radical was proven as the decisive active species for the degradation of gaseous acetaldehyde. This work provides a systematic approach to develop a potential multi-functional pearlescent pigment to purify indoor air.
DOI10.1016/j.jphotochem.2020.112617
WOS KeywordMETHYL-ORANGE ; GASEOUS ACETALDEHYDE ; TIO2 ; VOCS ; ADSORPTION ; REMOVAL ; NANOCOMPOSITES ; PERFORMANCE ; OXIDATION ; AIR
Language英语
WOS Research AreaChemistry
PublisherELSEVIER SCIENCE SA
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27779
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Fang, XM,Lu, GH,Mahmood, A,et al. A novel ternary Mica/TiO2/Fe2O3 composite pearlescent pigment for the photocatalytic degradation of acetaldehyde[J]. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY,2020.
APA Fang, XM.,Lu, GH.,Mahmood, A.,Tang, ZH.,Liu, ZW.,...&Sun, J.(2020).A novel ternary Mica/TiO2/Fe2O3 composite pearlescent pigment for the photocatalytic degradation of acetaldehyde.JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY.
MLA Fang, XM,et al."A novel ternary Mica/TiO2/Fe2O3 composite pearlescent pigment for the photocatalytic degradation of acetaldehyde".JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY (2020).
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