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	Size effects of zno nanoparticles in bifunctional catalysts for selective syngas conversion
	Liu, Na1,2; Jiao, Feng1; Pan, Xiulian1; Ding, Yi1,3; Feng, Jingyao1,2; Bao, Xinhe1
刊名	Acs catalysis
	2019-02-01
卷号	9期号:2页码:960-966
关键词	Syngas conversion Oxides Size effects Zno Light olefins
ISSN号	2155-5435
DOI	10.1021/acscatal.8b04105
通讯作者	Pan, xiulian(panxl@dicp.ac.cn) ; Bao, xinhe(xhbao@dicp.ac.cn)
英文摘要	The oxide-zeolite (ox-zeo) bifunctional catalyst design concept has shown promising potential for selectivity control in syngas conversion by separating co activation and c-c coupling onto oxides and zeolites, respectively. however, the structural effects of the oxides are far from being understood. herein, we take a single component, zno, as a probe oxide in combination with sapo-34 as a composite catalyst for light olefins synthesis from syngas. the space time yield of hydrocarbons significantly increases as the zno crystal size decreases from 79 to 23 nm, which can be attributed to more active centers available over smaller particles with a higher specific surface area. the apparent turnover frequency (tof) for formation of light olefins (toffight olefins) increases over smaller zno particles, whereas toflight paraffins decreases, leading to an increased ratio of light olefins/light paraffins, which indicates that smaller particles benefit the formation of olefins. these results demonstrate that it is crucial to control the particle size of oxides to design more active and selective ox-zeo catalysts for syngas conversion to olefins.
WOS关键词	COBALT PARTICLE-SIZE ; FISCHER-TROPSCH SYNTHESIS ; LOWER OLEFINS ; CARBON-DIOXIDE ; OXIDE ; CO2 ; HYDROGENATION ; REDUCTION ; NO
WOS研究方向	Chemistry
WOS类目	Chemistry, Physical
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000458707000020
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2372748
专题	大连化学物理研究所
通讯作者	Pan, Xiulian; Bao, Xinhe
作者单位	1.Chinese Acad Sci, Dalian Inst Chem Phys, 2011 Collaborat Innovat Ctr Chem Energy Mat, State Key Lab Catalysis,Dalian Natl Lab Clean Ene, Zhongshan Rd 457, Dalian 116023, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Univ Sci & Technol China, Dept Chem Phys, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Liu, Na,Jiao, Feng,Pan, Xiulian,et al. Size effects of zno nanoparticles in bifunctional catalysts for selective syngas conversion[J]. Acs catalysis,2019,9(2):960-966.
APA	Liu, Na,Jiao, Feng,Pan, Xiulian,Ding, Yi,Feng, Jingyao,&Bao, Xinhe.(2019).Size effects of zno nanoparticles in bifunctional catalysts for selective syngas conversion.Acs catalysis,9(2),960-966.
MLA	Liu, Na,et al."Size effects of zno nanoparticles in bifunctional catalysts for selective syngas conversion".Acs catalysis 9.2(2019):960-966.

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