Structural Control of Uniform MOF-74 Microcrystals for the Study of Adsorption Kinetics
2019-10-02
发表期刊ACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
卷号11期号:39页码:35820-35826
发表状态已发表
DOI10.1021/acsami.9b13965
摘要

Metal-organic frameworks (MOFs) is a promising class of sorbent materials for swing adsorption gas separation. However, although sorption kinetics plays a major role in column breakthrough experiments, it is rarely studied with MOF materials. This is largely because the synthesis of uniform yet separation relevant MOFs is a challenging task. Here, we report a dual modulation approach for the synthesis of well-defined Mg-MOF-74 hexagonal rods with an extremely uniform size distribution (polydispersity index = 1.02). Through epitaxial growth and wet chemical etching, uniform hollow Ni-MOF-74 with plate-shaped caps were obtained. CO, adsorption kinetic study shows that hollow Ni-MOF-74 exhibits 54% faster diffusion rate compared to solid Ni-MOF-74 due to a shortened diffusion length, despite their identical CO, uptake capacity. This has led to a 21% extension of column breakthrough time during CO2/N-2 separation under identical conditions.

关键词metal-organic frameworks hollow structure gas separation adsorption kinetics diffusion
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收录类别SCI ; SCIE ; EI
资助项目ChEM of the SPST at ShanghaiTech[EM02161943]
WOS研究方向Science & Technology - Other Topics ; Materials Science
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号WOS:000489001900034
出版者AMER CHEMICAL SOC
EI主题词Carbon dioxide ; Crystalline materials ; Diffusion ; Kinetics ; Nickel compounds ; Organometallics ; Separation ; Structural dynamics ; Wet etching
WOS关键词METAL-ORGANIC FRAMEWORKS ; CARBON-DIOXIDE CAPTURE ; CO2 CAPTURE ; COORDINATION POLYMERS ; SEPARATION ; PROPANE ; GAS ; TEMPERATURE ; ADSORBENTS ; PROPYLENE
原始文献类型Article
引用统计
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/80409
专题物质科学与技术学院_特聘教授组_杨培东
物质科学与技术学院_PI研究组_李涛组
物质科学与技术学院_公共科研平台_分析测试平台
物质科学与技术学院_硕士生
物质科学与技术学院_博士生
物质科学与技术学院_PI研究组_卓联洋组
通讯作者Tsung, Chia-Kuang; Li, Tao
作者单位
1.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
2.Boston Coll, Merkert Chem Ctr, Dept Chem, Chestnut Hill, MA 02467 USA
第一作者单位物质科学与技术学院
通讯作者单位物质科学与技术学院
第一作者的第一单位物质科学与技术学院
推荐引用方式
GB/T 7714
Wu, Chunhui,Chou, Lien-Yang,Long, Liuliu,et al. Structural Control of Uniform MOF-74 Microcrystals for the Study of Adsorption Kinetics[J]. ACS APPLIED MATERIALS & INTERFACES,2019,11(39):35820-35826.
APA Wu, Chunhui.,Chou, Lien-Yang.,Long, Liuliu.,Si, Xiaomeng.,Lo, Wei-Shang.,...&Li, Tao.(2019).Structural Control of Uniform MOF-74 Microcrystals for the Study of Adsorption Kinetics.ACS APPLIED MATERIALS & INTERFACES,11(39),35820-35826.
MLA Wu, Chunhui,et al."Structural Control of Uniform MOF-74 Microcrystals for the Study of Adsorption Kinetics".ACS APPLIED MATERIALS & INTERFACES 11.39(2019):35820-35826.
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