Highly efficient solar steam generation of supported metal–organic framework membranes by a photoinduced electron transfer process

Nanoscale ◽  
2019 ◽  
Vol 11 (23) ◽  
pp. 11121-11127 ◽  
Author(s):  
Liyong Chen ◽  
Dezhi Li ◽  
Yanxin Wang ◽  
Chunying Duan
Keyword(s):  
Electron Transfer ◽  
Photoinduced Electron Transfer ◽  
Radiative Recombination ◽  
Metal Organic Framework ◽  
Photothermal Effect ◽  
Steam Generation ◽  
Electron Hole ◽  
Electron Transfer Process ◽  
Metal Organic ◽  
Solar Steam Generation

PPF-3 exhibits stronger photothermal effect than porphyrin ligands. This is attributed to the enhancement of light absorption ability and the occurrence of PET from ligands to metal nodes to suppress radiative recombination of electron–hole pairs.

Selective chemochromic and chemically-induced photochromic response of a metal–organic framework

2020 ◽  
Vol 56 (44) ◽  
pp. 5929-5932 ◽  
Author(s):  
Peng Li ◽  
Qi Sui ◽  
Meng-Yue Guo ◽  
Shuai-Liang Yang ◽  
Ran Bu ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Electron Acceptor ◽  
Photoinduced Electron Transfer ◽  
Color Change ◽  
Metal Organic Framework ◽  
Confined Space ◽  
Chemically Induced ◽  
Metal Organic ◽  
Organic Framework

The MOF provides unique confined space furnished with electron acceptor sites, and exposure to amines/alcohols causes specific and size-selective direct/UV-assisted color change owing to spontaneous/photoinduced electron transfer.

New insights into the nitroaromatics-detection mechanism of the luminescent metal–organic framework sensor

2015 ◽  
Vol 44 (6) ◽  
pp. 2897-2906 ◽  
Author(s):  
Lei Liu ◽  
Xiaofang Chen ◽  
Jieshan Qiu ◽  
Ce Hao
Keyword(s):  
Electron Transfer ◽  
Hydrogen Bonding ◽  
Transfer Process ◽  
Metal Organic Framework ◽  
Luminescence Quenching ◽  
Intermolecular Electron Transfer ◽  
Electron Transfer Process ◽  
Detection Mechanism ◽  
Metal Organic ◽  
First Time

For the first time, hydrogen bonding and π–π stacking are demonstrated to play cooperative roles in the intermolecular electron transfer process from nitrobenzene to MOF sensors, which lead to the luminescence quenching detection of nitrobenzene.

A 3D pillared-layer metal–organic framework with fluorescence property for detection of nitroaromatic explosives

2019 ◽  
Vol 43 (2) ◽  
pp. 963-969 ◽  
Author(s):  
Qi Wang ◽  
Da Jun Liu ◽  
Li Li Cui ◽  
Xiao-Li Hu ◽  
Xin-Long Wang ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Energy Transfer ◽  
Fluorescence Quenching ◽  
Photoinduced Electron Transfer ◽  
Metal Organic Framework ◽  
Resonance Energy Transfer ◽  
Resonance Energy ◽  
Nitroaromatic Explosives ◽  
Luminescent Sensor ◽  
Metal Organic

A novel pillared-layer Cd-MOF was synthesized as luminescent sensor for detection of nitroaromatic explosives with highly selective and recyclable properties. The study also shows that the photoinduced electron transfer and resonance energy transfer were possible mechanisms of fluorescence quenching.

Photoinduced-electron-transfer-driven surface modification to regulate adsorption behavior in a pyridinium-decorated metal–organic framework

2019 ◽  
Vol 55 (85) ◽  
pp. 12829-12832 ◽  
Author(s):  
Xiao-Dong Yang ◽  
Na Gao ◽  
Shuai Ma ◽  
Jing-Wang Cui ◽  
Meng-Ze Jia ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Surface Modification ◽  
Photoinduced Electron Transfer ◽  
Metal Organic Framework ◽  
Adsorption Behavior ◽  
Polar Molecules ◽  
Adsorption Behaviors ◽  
Metal Organic ◽  
Organic Framework

Photoinduced-electron-transfer-driven surface modification was presented in a pyridinium-decorated metal–organic framework and found to be effective to regulate its adsorption behaviors toward polar molecules and halogens.

A fourfold interpenetrating cadmium(II) metal–organic framework based on 2,4,6-tris(pyridin-4-yl)-1,3,5-triazine with reversible photochromic properties

2019 ◽  
Vol 75 (3) ◽  
pp. 372-377 ◽  
Author(s):  
Jian-Jun Liu ◽  
Li-Zhi Li ◽  
Chun-Ping Chen ◽  
Jin-Zhong Wei ◽  
Fei-Xiang Cheng
Keyword(s):  
Electron Transfer ◽  
Photoinduced Electron Transfer ◽  
Metal Organic Framework ◽  
Crystal Structure Analysis ◽  
X Ray Diffraction ◽  
Photochromic Properties ◽  
X Ray ◽  
Good Thermal Stability ◽  
Metal Organic ◽  
Organic Framework

2,4,6-Tris(pyridin-4-yl)-1,3,5-triazine (tpt), as an organic molecule with an electron-deficient nature, has attracted considerable interest because of its photoinduced electron transfer from neutral organic molecules to form stable anionic radicals. This makes it an excellent candidate as an organic linker in the construction of photochromic complexes. Such a photochromic three-dimensional (3D) metal–organic framework (MOF) has been prepared using this ligand. Crystallization of tpt with Cd(NO3)2·4H2O in an N,N-dimethylacetamide–methanol mixed-solvent system under solvothermal conditions afforded the 3D MOF poly[[bis(nitrato-κ2 O,O′)cadmium(II)]-μ3-2,4,6-tris(pyridin-4-yl)-1,3,5-triazine-κ3 N 2:N 4:N 6], [Cd(NO3)2(C18H12N6)] n , which was characterized by IR spectroscopy, elemental analysis, thermogravimetric analysis and single-crystal X-ray diffraction. The X-ray diffraction crystal structure analysis reveals that the asymmetric unit contains one independent CdII cation, one tpt ligand and two coordinated NO3 − anions. The CdII cations are connected by tpt ligands to generate a 3D framework. The single framework leaves voids that are filled by mutual interpenetration of three independent equivalent frameworks in a fourfold interpenetrating architecture. The compound shows a good thermal stability and exhibits a reversible photochromic behaviour, which may originate from the photoinduced electron-transfer generation of radicals in the tpt ligand.

Guest to framework photoinduced electron transfer in a cobalt substituted RWLC-2 metal organic framework

2018 ◽  
Vol 47 (28) ◽  
pp. 9250-9256 ◽  
Author(s):  
Christopher R. McKeithan ◽  
Lukasz Wojtas ◽  
Randy W. Larsen
Keyword(s):  
Electron Transfer ◽  
Porous Materials ◽  
Photoinduced Electron Transfer ◽  
Light Harvesting ◽  
Metal Organic Framework ◽  
Metal Organic ◽  
Organic Framework

Photoinduced electron transfer (PET) between donors and acceptors in porous materials is a key element in the development of light harvesting applications.

Fixed distance photoinduced electron transfer between Fe and Zn porphyrins encapsulated within the Zn HKUST-1 metal organic framework

2015 ◽  
Vol 44 (7) ◽  
pp. 2959-2963 ◽  
Author(s):  
Randy W. Larsen ◽  
Lukasz Wojtas
Keyword(s):  
Electron Transfer ◽  
Electron Donor ◽  
Electron Acceptor ◽  
Photoinduced Electron Transfer ◽  
Metal Organic Framework ◽  
Fixed Distance ◽  
Metal Organic ◽  
Organic Framework

An attractive strategy for the development of photocatalytic metal organic framework (MOF) materials is to co-encapsulate a photoactive electron donor with a catalytic electron acceptor within the MOF.

Sign in / Sign up

Export Citation Format

Share Document