中文版 | English
Title

Photocatalytic Oxidative Dehydrogenation of Propane for Selective Propene Production with TiO2

Author
Corresponding AuthorFan,Hongjun; Guo,Qing
Publication Years
2022
DOI
Source Title
ISSN
0002-7863
EISSN
1520-5126
Abstract

Oxidative dehydrogenation of propane (ODHP) as an exothermic process is a promising method to produce propene (C3H6) with lower energy consumption in chemical industry. However, the selectivity of the C3H6 product is always poor because of overoxidation. Herein, the ODHP reaction into C3H6 on a model rutile(R)-TiO2(110) surface at low temperature via photocatalysis has been realized successfully. The results illustrate that photocatalytic oxidative dehydrogenation of propane (C3H8) into C3H6 can occur efficiently on R-TiO2(110) at 90 K via a stepwise manner, in which the initial C-H cleavage occurs via the hole coupled C-H bond cleavage pathway followed by a radical mediated C-H cleavage to the C3H6 product. An exceptional selectivity of ∼90% for C3H6 production is achieved at about 13% propane conversion. The mechanistic model constructed in this study not only advances our understanding of C-H bond activation but also provides a new pathway for highly selective ODHP into C3H6 under mild conditions.

Keywords
URL[Source Record]
Indexed By
EI ; ESCI
Language
English
Important Publications
NI Journal Papers
SUSTech Authorship
First ; Corresponding
Funding Project
National Key R&D Program of China[2018YFE0203002] ; National Natural Science Foundation of China[
WOS Research Area
Chemistry
WOS Subject
Chemistry, Multidisciplinary
WOS Accession No
WOS:000878572800001
Publisher
EI Accession Number
20224613100456
EI Keywords
Chemical Bonds ; Chemical Industry ; Dehydrogenation ; Energy Utilization ; Oxide Minerals ; Photocatalysis ; Propane ; Propylene ; Temperature
ESI Classification Code
Minerals:482.2 ; Energy Utilization:525.3 ; Thermodynamics:641.1 ; Light/Optics:741.1 ; Physical Chemistry:801.4 ; Chemical Reactions:802.2 ; Organic Compounds:804.1 ; Inorganic Compounds:804.2 ; Chemical Engineering, General:805
Scopus EID
2-s2.0-85141566197
Data Source
Scopus
Citation statistics
Cited Times [WOS]:0
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/411902
DepartmentDepartment of Chemistry
Affiliation
1.Shenzhen Key Laboratory of Energy Chemistry,Department of Chemistry,Southern University of Science and Technology,Shenzhen,Guangdong,518055,China
2.Shenzhen Institute of Advanced Technology,Chinese Academy of Sciences,Shenzhen,Guangdong,518055,China
3.State Key Laboratory of Molecular Reaction Dynamics,Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian,Liaoning,116023,China
4.Hefei National Laboratory,Hefei,230088,China
First Author AffilicationDepartment of Chemistry
Corresponding Author AffilicationDepartment of Chemistry
First Author's First AffilicationDepartment of Chemistry
Recommended Citation
GB/T 7714
Li,Fangliang,Wang,Binli,Chen,Xiao,et al. Photocatalytic Oxidative Dehydrogenation of Propane for Selective Propene Production with TiO2[J]. Journal of the American Chemical Society,2022.
APA
Li,Fangliang.,Wang,Binli.,Chen,Xiao.,Lai,Yuemiao.,Wang,Tao.,...&Guo,Qing.(2022).Photocatalytic Oxidative Dehydrogenation of Propane for Selective Propene Production with TiO2.Journal of the American Chemical Society.
MLA
Li,Fangliang,et al."Photocatalytic Oxidative Dehydrogenation of Propane for Selective Propene Production with TiO2".Journal of the American Chemical Society (2022).
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