In situ growth of metal-organic framework thin films with gas sensing and molecule storage properties

New porous metal-organic framework (MOF) films based on the flexible ligand 1,3,5-tris[4-(carboxyphenyl)oxamethyl]-2,4,6-trimethylbenzene (H3TBTC) were fabricated on α-Al2O3 substrates under solvent thermal conditions. The factors affecting the fabrication of films, such as the temperature of pre-ac...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 29(2013), 27 vom: 09. Juli, Seite 8657-64
1. Verfasser: Li, Wei-Jin (VerfasserIn)
Weitere Verfasser: Gao, Shui-Ying, Liu, Tian-Fu, Han, Li-Wei, Lin, Zu-Jin, Cao, Rong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Gases Organometallic Compounds
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245 1 0 |a In situ growth of metal-organic framework thin films with gas sensing and molecule storage properties 
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520 |a New porous metal-organic framework (MOF) films based on the flexible ligand 1,3,5-tris[4-(carboxyphenyl)oxamethyl]-2,4,6-trimethylbenzene (H3TBTC) were fabricated on α-Al2O3 substrates under solvent thermal conditions. The factors affecting the fabrication of films, such as the temperature of pre-activation and the dosage of the reagents, were investigated. Tuning the subtle factors on film fabrications, a series of MOF thin films with different morphologies and grain sizes were prepared. The morphology and grain size of the films are monitored by scanning electron microscopy (SEM). X-ray diffraction (XRD) and attenuated total reflection infrared (ATR-IR) were also used to characterize the MOF films. The results indicate that the temperature of pre-activation and the dosage of the reagents are the key parameters during the process of film formation. The properties of the films, especially the sensing and sorption behavior, have been studied by an optical digital cameral and ultraviolet-visible (UV-vis) spectra. The evidence shows that the films are sensitive to small organic molecules, such as methanol and pyridine. Meanwhile, the films can adsorb small dye molecules. Thus, the films may have potential applications in either organic vapor sensing or storage of small dye molecules 
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700 1 |a Gao, Shui-Ying  |e verfasserin  |4 aut 
700 1 |a Liu, Tian-Fu  |e verfasserin  |4 aut 
700 1 |a Han, Li-Wei  |e verfasserin  |4 aut 
700 1 |a Lin, Zu-Jin  |e verfasserin  |4 aut 
700 1 |a Cao, Rong  |e verfasserin  |4 aut 
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