Single Pt Atoms Confined into a Metal–Organic Framework for Efficient Photocatalysis

Fang, Xinzuo; Shang, Qianqian; Wang, Yu; Jiao, Long; Yao, Takeshi; Li, Yafei; Zhang, Qun; Luo, Yi; Jiang, Hai‐Long

doi:10.1002/adma.201705112

Cited by 698 publications

(459 citation statements)

References 56 publications

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“…Many works are being reported on this topic, but in many cases framework is destroyed by the electron beam making location of the incorporated species in the original material impossible. In this sense, Fang et al . reported the synthesis of single Pt atom catalyst for hydrogen production by water splitting under visible‐light irradiation, where C S ‐corrected STEM‐HAADF was used to characterize the dispersion and distribution of Pt atoms.…”

Section: Resultsmentioning

confidence: 99%

Ten Years of Aberration Corrected Electron Microscopy for Ordered Nanoporous Materials

Zhang

Mayoral

2020

ChemCatChem

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Ordered nanoporous materials including zeolites, zeotypes, and metal‐organic frameworks (MOFs) are widely used in the fields of heterogeneous catalysis, ion exchange and gas storage/separation. In addition, due to their particular structural features new applications are continuously being explored as a consequence of their well‐defined porous network, thermal stability, acidity and guest‐species confinement. All physicochemical properties are directly structure related and therefore characterization at atomic level is highly desired. In the current work, we have aimed to review the recent progress of electron microscopy science applied to the characterization of different nanoporous materials since the first work that made use of spherical aberration (Cs) corrected electron microscopy in 2010. All difficulties encountered for the application of this technique will be presented, together with the excellent degree of information that can be extracted and the scientific responses that only Cs‐corrected electron microscopy can provide in the area of nanoporous materials, zeolites, zeotypes and MOFs.

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Section: Resultsmentioning

confidence: 99%

Ten Years of Aberration Corrected Electron Microscopy for Ordered Nanoporous Materials

Zhang

Mayoral

2020

ChemCatChem

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“…In a recent work of Jiang's group, they confined single Pt atoms into the highly stable aluminum‐based porphyrinic MOF. Infinite Al(OH)O 4 chains are interconnected by the porphyrin linkers into a 3D microporous framework, while Pt(II) metalated into the porphyrin centers …”

Section: Synthetic Methods Of Mof‐derived Carbon‐supported Sacsmentioning

confidence: 99%

Recent Advances for MOF‐Derived Carbon‐Supported Single‐Atom Catalysts

et al. 2019

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Single‐atom catalysts have drawn considerable attention because of their unique catalytic properties. However, the high surface energy of single atoms restricts their fabrication and creates significant challenges for further developments. In order to overcome this problem, metal organic framework (MOF)‐derived carbon materials can be served as ideal supports to anchor atomically dispersed metal atoms, due to their tunable particle size and shape features, by providing high surface area, porosity, thermal, and chemical stability. This review highlights the recent advances in i) different types of construction strategies for MOF‐derived carbon‐supported single‐atom catalysts, and ii) the catalytic applications of these MOF‐derived carbon‐supported single‐atom catalysts. Further, this review offers a valuable insight into the current challenges and future opportunities for MOF‐derived carbon‐supported single‐atom catalysts.

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“…The obtained single metal atom photocatalyst Al‐TCPP‐Pt showed an outstanding photocatalytic performance for hydrogen production, giving a turnover frequency of 35 h −1 , which was ≈30 times that of Pt nanoparticles stabilized by the same MOF. Ultrafast transient absorption spectroscopy and DFT calculations indicated that the confined single Pt atoms in Al‐TCPP opened a highly efficient electron transfer channel and improved the hydrogen binding energy, resulting in the enhanced photocatalytic H 2 production activity …”

Section: Application In Photocatalysismentioning

confidence: 99%

Single Metal Atom Photocatalysis

2019

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Photocatalysis suffers from rapid recombination of photoexcited charge carriers and limited active sites for the catalytic reactions, resulting in unsatisfactory performances that are far from practical application. Single metal atom catalysts not only increase the number of active sites due to the maximum atom‐utilization efficiency, but also enhance the intrinsic activity of each active site because of their unique geometric and electronic features. Furthermore, single metal atom catalysts provide a platform for photocatalysis research on the atomic level. This review discusses the unique characteristics, including geometric and electronic properties, of single metal atom catalysts, summarizes their synthesis strategies, and reviews their most recent development in photocatalysis. Finally, the challenges of single metal catalysts for both fundamental research and practical application are highlighted.

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Single Pt Atoms Confined into a Metal–Organic Framework for Efficient Photocatalysis

Cited by 698 publications

References 56 publications

Ten Years of Aberration Corrected Electron Microscopy for Ordered Nanoporous Materials

Ten Years of Aberration Corrected Electron Microscopy for Ordered Nanoporous Materials

Recent Advances for MOF‐Derived Carbon‐Supported Single‐Atom Catalysts

Single Metal Atom Photocatalysis

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