Tuning the properties of the metal–organic framework UiO-67-bpy via post-synthetic N-quaternization of pyridine sites

N-Quaternization of pyridine sites in UiO-67-bpy affords a cationic MOF UiO-67-bpy-Me with faster and improved anionic dye and CO2adsorption, and extended visible-light absorption properties, which make UiO-67-bpy-Me more efficient in photodegrading organic dyes.

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A bifunctional cationic metal–organic framework based on unprecedented nonanuclear copper(ii) cluster for high dichromate and chromate trapping and highly efficient photocatalytic degradation of organic dyes under visible light irradiation

Dalton Transactions ◽

10.1039/c8dt01685b ◽

2018 ◽

Vol 47 (27) ◽

pp. 9103-9113 ◽

Cited By ~ 24

Author(s):

Tian-Rui Zheng ◽

Lin-Lu Qian ◽

Min Li ◽

Zhi-Xiang Wang ◽

Ke Li ◽

...

Keyword(s):

Photocatalytic Activity ◽

Visible Light ◽

Photocatalytic Degradation ◽

Visible Light Irradiation ◽

Organic Dyes ◽

Metal Organic Framework ◽

Light Irradiation ◽

Highly Efficient ◽

Metal Organic ◽

Organic Framework

A bifunctional cationic MOF showed fast and highly efficient Cr2O72− and CrO42− trapping, and highly efficient photocatalytic activity.

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Selective degradation of organic dyes by a resin modified Fe-based metal-organic framework under visible light irradiation

Optical Materials ◽

10.1016/j.optmat.2016.11.047 ◽

2017 ◽

Vol 64 ◽

pp. 512-523 ◽

Cited By ~ 22

Author(s):

Tirusew Araya ◽

Chun-cheng Chen ◽

Man-ke Jia ◽

David Johnson ◽

Ruiping Li ◽

...

Keyword(s):

Visible Light ◽

Visible Light Irradiation ◽

Organic Dyes ◽

Metal Organic Framework ◽

Light Irradiation ◽

Selective Degradation ◽

Metal Organic ◽

Organic Framework

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Exfoliated Molybdenum Disulfide Encapsulated in a Metal Organic Framework for Enhanced Photocatalytic Hydrogen Evolution

Catalysts ◽

10.3390/catal9010089 ◽

2019 ◽

Vol 9 (1) ◽

pp. 89 ◽

Cited By ~ 4

Author(s):

Ren Ren ◽

Huilei Zhao ◽

Xiaoyu Sui ◽

Xiaoru Guo ◽

Xingkang Huang ◽

...

Keyword(s):

Hydrogen Production ◽

Visible Light ◽

Light Absorption ◽

Photoelectron Spectroscopy ◽

Metal Organic Framework ◽

Visible Light Absorption ◽

X Ray ◽

Metal Organic ◽

Direct Band ◽

Bulk Mos2

An exfoliated MoS2 encapsulated into metal-organic frameworks (MOFs) was fabricated as a promising noble-metal-free photocatalyst for hydrogen production under visible light irradiation. The as-synthesized samples were examined by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS), and Brunauer–Emmett–Teller (BET) surface analysis. It is well known that bulk MoS2 is unsuitable for photocatalysis due to its inadequate reduction and oxidation capabilities. However, exfoliated MoS2 exhibits a direct band gap of 2.8 eV due to quantum confinement, which enables it to possess suitable band positions and retain a good visible-light absorption ability. As a result, it is considered to be an encouraging candidate for photocatalytic applications. Encapsulating exfoliated MoS2 into MOF demonstrates an improved visible light absorption ability compared to pure MOF, and the highest hydrogen production rate that the encapsulated exfoliated MoS2 could reach was 68.4 μmol h-1g-1, which was much higher than that of pure MOF. With a suitable band structure and improved light-harvesting ability, exfoliated MoS2@MOF could be a potential photocatalyst for hydrogen production.

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