南方科技大学知识苑(SUSTech KC): Low-Temperature Oxidation of Methane on Rutile TiO<sub>2</sub>(110): Identifying the Role of Surface Oxygen Species

题名	Low-Temperature Oxidation of Methane on Rutile TiO₂(110): Identifying the Role of Surface Oxygen Species
作者	Lai, Yuemiao 1,2 ; Wang, Ruimin 3,4; Zeng, Yi 1,2; Li, Fangliang1,2 ; Chen, Xiao1,2,5 ; Wang, Tao 1,2 ; Fan, Hongjun 3; Guo, Qing 1,2
通讯作者	Li, Fangliang; Fan, Hongjun; Guo, Qing
发表日期	2024-03-26
DOI	10.1021/jacsau.3c00771
发表期刊	JACS AU 影响因子和分区
EISSN	2691-3704
卷号	4 期号:4
摘要	Understanding the microkinetic mechanism underlying photocatalytic oxidative methane (CH4) conversion is of significant importance for the successful design of efficient catalysts. Herein, CH4 photooxidation has been systematically investigated on oxidized rutile(R)-TiO2(110) at 60 K. Under 355 nm irradiation, the C-H bond activation of CH4 is accomplished by the hole-trapped dangling O-Ti(-) center rather than the hole-trapped O-b(-) center via the Eley-Rideal reaction pathway, producing movable CH3 center dot radicals. Subsequently, movable CH3 center dot radicals encounter an O/OH species to form CH3O/CH3OH species, which could further dissociate into CH2O under irradiation. However, the majority of the CH3 center dot radical intermediate is ejected into a vacuum, which may induce radical-mediated reactions under ambient conditions. The result not only advances our knowledge about inert C-H bond activation but also provides a deep insight into the mechanism of photocatalytic CH4 conversion, which will be helpful for the successful design of efficient catalysts.
关键词	oxidative dehydrogenation of methane TiO2 photocatalysis CH3 (center dot) radical dangling O-Ti atoms Eley-Rideal mechanism
相关链接	[来源记录]
收录类别	ESCI
语种	英语
学校署名	第一 ; 通讯
资助项目	National Key R&D Program of China["2018YFE0203002","2022YFA1503102"] ; National Natural Science Foundation of China["22173041","22103033","22103031","22173042","21973037","92061114"] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB17000000] ; Shenzhen Science and Technology Innovation Committee[20220814164755002] ; Guangdong Innovative & Entrepreneurial Research Team Program[2019ZT08L455] ; null[2019JC01 x 091]
WOS研究方向	Chemistry
WOS类目	Chemistry, Multidisciplinary
WOS记录号	WOS:001191265000001
出版者	AMER CHEMICAL SOC
来源库	Web of Science
引用统计	被引频次[WOS]：4
成果类型	期刊论文
条目标识符	http://sustech.caswiz.com/handle/2SGJ60CL/788817
专题	理学院_化学系南方科技大学
作者单位	1.Southern Univ Sci & Technol, Shenzhen Key Lab Energy Chem, Shenzhen 518055, Guangdong, Peoples R China 2.Southern Univ Sci & Technol, Dept Chem, Shenzhen 518055, Guangdong, Peoples R China 3.Chinese Acad Sci, State Key Lab Mol React Dynam, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China 4.North China Univ Sci & Technol, Sch Pharm, Tangshan 063210, Hebei, Peoples R China 5.Inst Adv Sci Facil, Shenzhen 518107, Guangdong, Peoples R China
第一作者单位	南方科技大学; 化学系
通讯作者单位	南方科技大学; 化学系
第一作者的第一单位	南方科技大学
推荐引用方式 GB/T 7714	Lai, Yuemiao,Wang, Ruimin,Zeng, Yi,et al. Low-Temperature Oxidation of Methane on Rutile TiO₂(110): Identifying the Role of Surface Oxygen Species[J]. JACS AU,2024,4(4).
APA	Lai, Yuemiao.,Wang, Ruimin.,Zeng, Yi.,Li, Fangliang.,Chen, Xiao.,...&Guo, Qing.(2024).Low-Temperature Oxidation of Methane on Rutile TiO₂(110): Identifying the Role of Surface Oxygen Species.JACS AU,4(4).
MLA	Lai, Yuemiao,et al."Low-Temperature Oxidation of Methane on Rutile TiO₂(110): Identifying the Role of Surface Oxygen Species".JACS AU 4.4(2024).