Enhanced Stability of Cu-BTC MOF via Perfluorohexane Plasma-Enhanced Chemical Vapor Deposition

DeCoste, Jared B.; Peterson, Gregory W.; Smith, Martin W.; Stone, Corinne A.; Willis, Caroline

doi:10.1021/ja211182m

Cited by 258 publications

(196 citation statements)

References 33 publications

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“…So its surface area is very low. In Table I, HKUST-1 has a BET surface area about 1048 m 2 /g, which is higher the values obtained by Chui et al [24] but lower than those obtained by Millward [3] and Decoste [25]. However, the surface area of the composite is a little lower than the parent MOF HKUST-1, but it's higher than the hypothetical value when the two phases are only a physical mixture.…”

Section: Resultsmentioning

confidence: 62%

CO2 Capture on Metal-Organic Framework and Graphene Oxide Composite Using a High-Pressure Static Adsorption Apparatus

Zhao¹,

Cao²,

Zhong³

2014

JOCET

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Abstract-Metal-organic frameworks (MOFs) have attracted much attention as adsorbents for the separation of CO 2 from flue gas or natural gas. A copper-based metal-organic framework and graphite oxide composite (HKUST-1/GO) was synthesized and characterized using X-ray diffraction, sorption of nitrogen and scanning electron microscopy. The composite improved the CO 2 adsorption capacity and CO 2 /N 2 selectivity. The composite obtained exhibited about a 38 % increase in CO 2 storage capacity than the parent MOF HKUST-1 at 305 K and 5 atm.

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Section: Resultsmentioning

confidence: 62%

CO2 Capture on Metal-Organic Framework and Graphene Oxide Composite Using a High-Pressure Static Adsorption Apparatus

Zhao¹,

Cao²,

Zhong³

2014

JOCET

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“…By comparison, different organic hydrocarbons can be rapidly adsorbed by USTC-6, suggesting its strong oleophilic properties. To date, some PCPs have been reported to be hydrophobic upon a postsynthetic modification with alkyl or fluoroalkyl groups; 41,42,46,47 however, very few pristine PCPs have been reported to display such a high hydrophobicity. 33,43,45 To our knowledge, USTC-6 is a very rare highly hydrophobic PCP bearing a low-energy rough surface decorated with -CF 3 groups.…”

Section: Single-crystal X-ray Crystallographymentioning

confidence: 99%

“…Of the various strategies that have evolved to produce water-stable hydrophobic PCPs, the incorporation of fluorine into PCPs is particularly effective. [41][42][43][44][45][46][47] Therefore, we are interested in developing fluorous PCPs for oil spill cleanup and recovery as corrugated PCP surfaces with -CF 3 alignment may render it very hydrophobic. 33 Figures S2 and S4-S6).…”

Section: Introductionmentioning

confidence: 99%

Coating sponge with a hydrophobic porous coordination polymer containing a low-energy CF3-decorated surface for continuous pumping recovery of an oil spill from water

et al. 2016

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For the remediation of oil spills and organic solvent leakage into water, it is desirable to develop not only advanced sorbents with a high adsorption capability but also labor-and time-saving apparatuses that can work continuously without human intervention. In this work, we synthesized a novel and highly stable porous coordination polymer (PCP, also called metal-organic framework), University of Science and Technology of China-6 (USTC-6), with a corrugated -CF 3 surface that features high hydrophobicity. The uniform growth of USTC-6 throughout a graphene oxide (GO)-modified sponge was achieved and yielded a macroscopic USTC-6@GO@sponge sorbent, which repels water and exhibits a superior adsorption capacity for diverse oils and organic solvents. Remarkably, the sorbent can be further assembled with tubes and a self-priming pump to build a model apparatus that affords consecutive and efficient oil recovery from water. The easy and fast recovery of oils/organic solvents from water based on such an apparatus indicates that it has great potential for future water purification and treatment.

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“…The PECVD of perfluoroalkanes has been shown to enhance the water stability of MOFs that are otherwise prone to water degradation 14 . However, there are many intricacies when working with PECVD instruments.…”

Section: Representative Resultsmentioning

confidence: 99%

Preparation of Hydrophobic Metal-Organic Frameworks via Plasma Enhanced Chemical Vapor Deposition of Perfluoroalkanes for the Removal of Ammonia

DeCoste

Peterson²

2013

JoVE

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Plasma enhanced chemical vapor deposition (PECVD) of perfluoroalkanes has long been studied for tuning the wetting properties of surfaces. For high surface area microporous materials, such as metal-organic frameworks (MOFs), unique challenges present themselves for PECVD treatments. Herein the protocol for development of a MOF that was previously unstable to humid conditions is presented. The protocol describes the synthesis of Cu-BTC (also known as HKUST-1), the treatment of Cu-BTC with PECVD of perfluoroalkanes, the aging of materials under humid conditions, and the subsequent ammonia microbreakthrough experiments on milligram quantities of microporous materials. Cu-BTC has an extremely high surface area (~1,800 m 2 /g) when compared to most materials or surfaces that have been previously treated by PECVD methods. Parameters such as chamber pressure and treatment time are extremely important to ensure the perfluoroalkane plasma penetrates to and reacts with the inner MOF surfaces. Furthermore, the protocol for ammonia microbreakthrough experiments set forth here can be utilized for a variety of test gases and microporous materials. Video LinkThe video component of this article can be found at

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Enhanced Stability of Cu-BTC MOF via Perfluorohexane Plasma-Enhanced Chemical Vapor Deposition

Cited by 258 publications

References 33 publications

CO2 Capture on Metal-Organic Framework and Graphene Oxide Composite Using a High-Pressure Static Adsorption Apparatus

CO2 Capture on Metal-Organic Framework and Graphene Oxide Composite Using a High-Pressure Static Adsorption Apparatus

Coating sponge with a hydrophobic porous coordination polymer containing a low-energy CF3-decorated surface for continuous pumping recovery of an oil spill from water

Preparation of Hydrophobic Metal-Organic Frameworks via Plasma Enhanced Chemical Vapor Deposition of Perfluoroalkanes for the Removal of Ammonia

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