DICP OpenIR
Acetone Formation from Photolysis of 2-Propanol on Anatase-TiO2(101)
Geng, Zhen-hua1,2; Chen, Xiao1,2; Guo, Qing1; Dai, Dong-xu1; Yang, Xue-ming1
Keyword2-propanol Photochemistry A-tio2(101) Temperature-programmed Desorption
Source PublicationCHINESE JOURNAL OF CHEMICAL PHYSICS
2017-02-01
ISSN1674-0068
DOI10.1063/1674-0068/30/cjcp1608170
Volume30Issue:1Pages:1-6
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectPhysics, Atomic, Molecular & Chemical
WOS Research AreaPhysics
WOS KeywordMETHYL RADICAL EJECTION ; PHOTOCATALYTIC DEHYDROGENATION ; OXYGEN VACANCIES ; SURFACE SCIENCE ; TIO2(110) ; TIO2 ; DEHYDRATION ; METHANOL ; PHOTOOXIDATION ; TEMPERATURE
AbstractPhotocatalysis of 2-propanol on A-TiO2(101) has been investigated using a temperature programed desorption method with 266 nm laser light. A clear mechanism is proposed for photodissociation of 2-propanol on A-TiO2(101). Acetone product on five coordinate Ti4+ sites is formed in a stepwise manner in which the O-H dissociation proceeds first and then followed by secondary C-H dissociation of 2-propanol while H atoms are transferred to the adjacent bridge bond oxygen (BBO) sites. Low temperature water is formed in a thermally driven process via H-atom on BBO in exchange with isopropyl groups of molecule 2-propanol, while isopropyl radical desorbs at high temperature during the TPD process. The observation demonstrates the prospect of TiO2 as a photocatalyst for degradation of organics.
Language英语
WOS IDWOS:000397206700001
PublisherCHINESE PHYSICAL SOC
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/169435
Collection中国科学院大连化学物理研究所
Corresponding AuthorGuo, Qing; Yang, Xue-ming
Affiliation1.Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Geng, Zhen-hua,Chen, Xiao,Guo, Qing,et al. Acetone Formation from Photolysis of 2-Propanol on Anatase-TiO2(101)[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2017,30(1):1-6.
APA Geng, Zhen-hua,Chen, Xiao,Guo, Qing,Dai, Dong-xu,&Yang, Xue-ming.(2017).Acetone Formation from Photolysis of 2-Propanol on Anatase-TiO2(101).CHINESE JOURNAL OF CHEMICAL PHYSICS,30(1),1-6.
MLA Geng, Zhen-hua,et al."Acetone Formation from Photolysis of 2-Propanol on Anatase-TiO2(101)".CHINESE JOURNAL OF CHEMICAL PHYSICS 30.1(2017):1-6.
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