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Adsorption and Photodegradation of Acetaldehyde and Ethylene on TiO2 (001) Surface: Experimental and First Principle Studies
Shi, Gansheng; Mahmood, Asad; Lu, Guanhong; Wang, Xiao; Tong, Shengrui; Ge, Maofa; Xie, Xiaofeng; Sun, Jing
2019-10-01
Source PublicationCATALYSIS LETTERS
ISSN1011-372X
Volume149Issue:10Pages:2728-2738
AbstractIn this work, the adsorption and photodegradation of acetaldehyde and ethylene on TiO2 nanoparticles (NPs) with dominant {001} facets were studied. Additionally, the first principle calculation was used to complement the experimental results. TiO2 NPs were synthesized by using a hydrothermal method. The experimental results indicated that adsorption amount of acetaldehyde on TiO2 {001} facets is higher than ethylene, with the initial concentration as 50010ppm. Photodegradation efficiency of 88% was achieved for acetaldehyde in contrast to 17% for ethylene at flow rate of 10sccm. The first principle calculations show that the adsorption energy (E-ads) for acetaldehyde is 0.603eV and that of ethylene is 0.251eV. This study is imperative for understanding the adsorption and photodegradation process of acetaldehyde and ethylene, two typical VOCs, and helpful to design the photocatalysts with high efficiency.[GRAPHICS].
DOI10.1007/s10562-019-02813-8
Indexed BySCI
Language英语
WOS IDWOS:000483692400008
EI Accession Number1572-879X
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/82584
Collection中国科学院化学研究所
AffiliationChinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Shi, Gansheng,Mahmood, Asad,Lu, Guanhong,et al. Adsorption and Photodegradation of Acetaldehyde and Ethylene on TiO2 (001) Surface: Experimental and First Principle Studies[J]. CATALYSIS LETTERS,2019,149(10):2728-2738.
APA Shi, Gansheng.,Mahmood, Asad.,Lu, Guanhong.,Wang, Xiao.,Tong, Shengrui.,...&Sun, Jing.(2019).Adsorption and Photodegradation of Acetaldehyde and Ethylene on TiO2 (001) Surface: Experimental and First Principle Studies.CATALYSIS LETTERS,149(10),2728-2738.
MLA Shi, Gansheng,et al."Adsorption and Photodegradation of Acetaldehyde and Ethylene on TiO2 (001) Surface: Experimental and First Principle Studies".CATALYSIS LETTERS 149.10(2019):2728-2738.
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