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Two-Dimensional Met...
Two-Dimensional Metal-Organic Frameworks with Unique Oriented Layers for Oxygen Reduction Reaction : Tailoring the Activity through Exposed Crystal Facets
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- Wang, Yanzhi (author)
- Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Appl Surface & Colloid Chem, Minist Educ, Xian 710119, Peoples R China.
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- Sun, Tu (author)
- ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China.
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- Mostaghimi, Amir H. B. (author)
- Univ Calgary, Dept Chem, Calgary, AB T2N 1N4, Canada.
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- Goncalves, Tiago J. (author)
- Univ Calgary, Dept Chem, Calgary, AB T2N 1N4, Canada.
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- Liang, Zuozhong (author)
- Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Appl Surface & Colloid Chem, Minist Educ, Xian 710119, Peoples R China.
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- Zhou, Yuye (author)
- KTH,Tillämpad fysikalisk kemi
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- Zhang, Wei (author)
- Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Appl Surface & Colloid Chem, Minist Educ, Xian 710119, Peoples R China.
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- Huang, Zhehao (author)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK),Stockholm Univ, Dept Mat & Environm Chem, SE-10691 Stockholm, Sweden.
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- Ma, Yanhang (author)
- ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China.
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- Cao, Rui (author)
- Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Appl Surface & Colloid Chem, Minist Educ, Xian 710119, Peoples R China.
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- Siahrostami, Samira (author)
- Univ Calgary, Dept Chem, Calgary, AB T2N 1N4, Canada.
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- Zheng, Haoquan (author)
- Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Appl Surface & Colloid Chem, Minist Educ, Xian 710119, Peoples R China.
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Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Appl Surface & Colloid Chem, Minist Educ, Xian 710119, Peoples R China ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China. (creator_code:org_t)
- Chinese Chemical Society, 2022
- 2022
- English.
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In: CCS CHEMISTRY. - : Chinese Chemical Society. - 2096-5745. ; 4:5, s. 1633-1642
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Subject headings
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- As one of the most important families of porous materials, metal-organic frameworks (MOFs) have well-defined atomic structures. This provides ideal models for investigating and understanding the relationships between structures and catalytic activities at the molecular level. However, the active sites on the edges of two-dimensional (2D) MOFs have rarely been studied, as they are less exposed to the surfaces. Here, for the first time, we synthesized and observed that the 2D layers could align perpendicular to the surface of a 2D zeolitic imidazolate framework L (ZIF-L) with a leaf-like morphology. Owing to this unique orientation, the active sites on the edges of the 2D crystal structure could mostly be exposed to the surfaces. Interestingly, when another layer of ZIF-L-Co was grown heteroepitaxially onto ZIF-L-Zn (ZIF-L-Zn@ZIF-L-Co), the two layers shared a common b axis but rotated by 90 degrees in the ac plane. This demonstrated that we could control exposed facets of the 2D MOFs. The ZIF-L-Co with more exposed edge active sites exhibited high electrocatalytic activity for oxygen reduction reaction. This work provides a new concept of designing unique oriented layers in 2D MOFs to expose more edge-active sites for efficient electrocatalysis. [GRAPHICS] .
Subject headings
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Keyword
- unique oriented layer
- two-dimensional material
- metal-organic framework
- electrocatalyst
- oxygen reduction reaction
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Wang, Yanzhi
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Sun, Tu
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Mostaghimi, Amir ...
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Goncalves, Tiago ...
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Liang, Zuozhong
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Zhou, Yuye
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show more...
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Zhang, Wei
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Huang, Zhehao
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Ma, Yanhang
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Cao, Rui
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Siahrostami, Sam ...
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Zheng, Haoquan
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Inorganic Chemis ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
- Articles in the publication
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CCS CHEMISTRY
- By the university
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Royal Institute of Technology
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Stockholm University