Search Results - "Ravikovitch, Peter I"

Control of zeolite framework flexibility and pore topology for separation of ethane and ethylene by Bereciartua, Pablo J., Cantín, Ángel, Corma, Avelino, Jordá, José L., Palomino, Miguel, Rey, Fernando, Valencia, Susana, Corcoran, Edward W., Kortunov, Pavel, Ravikovitch, Peter I., Burton, Allen, Yoon, Chris, Wang, Yu, Paur, Charanjit, Guzman, Javier, Bishop, Adeana R., Casty, Gary L.

“…The discovery of new materials for separating ethylene from ethane by adsorption, instead of using cryogenic distillation, is a key milestone for molecular…”
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Quenched solid density functional theory and pore size analysis of micro-mesoporous carbons by Neimark, Alexander V., Lin, Yangzheng, Ravikovitch, Peter I., Thommes, Matthias

“…We present a new model of adsorption on micro-mesoporous carbons based on the quenched solid density functional theory (QSDFT). QSDFT quantitatively accounts…”
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Density Functional Theory Model of Adsorption on Amorphous and Microporous Silica Materials by Ravikovitch, Peter I, Neimark, Alexander V

“…We present a novel quenched solid density functional theory (QSDFT) model of adsorption on heterogeneous surfaces and porous solids, which accounts for the…”
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The Effect of Aluminum Short-Range Ordering on Carbon Dioxide Adsorption in Zeolites by Findley, John M, Ravikovitch, Peter I, Sholl, David S

“…The distribution of Al in cationic zeolites is important in controlling the performance of these materials, but it is challenging to measure this distribution…”
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Identification of High-CO2‑Capacity Cationic Zeolites by Accurate Computational Screening by Fang, Hanjun, Kulkarni, Ambarish, Kamakoti, Preeti, Awati, Rohan, Ravikovitch, Peter I, Sholl, David S

“…Solid porous materials such as cationic zeolites have shown great potential in energy-efficient separation processes. Conventional adsorbent design involves…”
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Density Functional Theory Model of Adsorption Deformation by Ravikovitch, Peter I, Neimark, Alexander V

“…Molecules adsorbed in pores cause elastic deformations of the solid matrix leading to either contraction or swelling of the material. Although experimental…”
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New High- and Low-Temperature Phase Changes of ZIF-7: Elucidation and Prediction of the Thermodynamics of Transitions by Du, Yi, Wooler, Bradley, Nines, Meghan, Kortunov, Pavel, Paur, Charanjit S, Zengel, John, Weston, Simon C, Ravikovitch, Peter I

“…We have found that the 3D zeolitic imidazolate framework ZIF-7 exhibits far more complex behavior in response to the adsorption of guest molecules and changes…”
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Adsorption Hysteresis of Nitrogen and Argon in Pore Networks and Characterization of Novel Micro- and Mesoporous Silicas by Thommes, Matthias, Smarsly, Bernd, Groenewolt, Matthijs, Ravikovitch, Peter I, Neimark, Alexander V

“…We report results of nitrogen and argon adsorption experiments performed at 77.4 and 87.3 K on novel micro/mesoporous silica materials with morphologically…”
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Experimental Confirmation of Different Mechanisms of Evaporation from Ink-Bottle Type Pores:  Equilibrium, Pore Blocking, and Cavitation by Ravikovitch, Peter I, Neimark, Alexander V

“…We present a new classification of physical mechanisms of adsorption hysteresis in ink-bottle type pores confirmed by experimental studies of capillary…”
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Characterization of Micro- and Mesoporosity in SBA-15 Materials from Adsorption Data by the NLDFT Method by Ravikovitch, Peter I, Neimark, Alexander V

“…SBA-15 siliceous materials templated using triblock copolymers have recently received considerable attention because of their potential applications in…”
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Unified Approach to Pore Size Characterization of Microporous Carbonaceous Materials from N2, Ar, and CO2 Adsorption Isotherms by Ravikovitch, Peter I, Vishnyakov, Aleksey, Russo, Ron, Neimark, Alexander V

“…We present a unified approach to pore size characterization of microporous carbonaceous materials such as activated carbon and carbon fibers by nitrogen,…”
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Nanopore Structure and Sorption Properties of Cu−BTC Metal−Organic Framework by Vishnyakov, Aleksey, Ravikovitch, Peter I, Neimark, Alexander V, Bülow, Martin, Wang, Qing Min

“…Grand canonical Monte Carlo simulations in conjunction with high-resolution low-pressure argon adsorption experiments were employed to study adsorption…”
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Sorption Hysteresis of Benzene in Charcoal Particles by Braida, Washington J, Pignatello, Joseph J, Lu, Yuefeng, Ravikovitch, Peter I, Neimark, Alexander V, Xing, Baoshan

“…Charcoal is found in water, soil, and sediment where it may act as a sorbent of organic pollutants. The sorption of organic compounds to natural solids often…”
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Argon Adsorption on MCM-41 Mesoporous Crystal Studied by In Situ Synchrotron Powder X-ray Diffraction by Muroyama, Norihiro, Yoshimura, Arisa, Kubota, Yoshiki, Miyasaka, Keiichi, Ohsuna, Tetsu, Ryoo, Ryong, Ravikovitch, Peter I, Neimark, Alexander V, Takata, Masaki, Terasaki, Osamu

“…Equilibrium argon adsorption from the gas phase on mesoporous MCM-41 silica of hexagonal structure is directly studied by in situ synchrotron powder X-ray…”
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Understanding Dealumination Mechanisms in Protonic and Cationic Zeolites by Sun, Jifeng, Fang, Hanjun, Ravikovitch, Peter I, Sholl, David S

“…Zeolites can be partially hydrolyzed by steam via Al extraction which leads to the formation of a moiety with four hydroxyl groups. This irreversible…”
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Determination of Isosteric Heat of Adsorption by Quenched Solid Density Functional Theory by Cimino, Richard T, Kowalczyk, Piotr, Ravikovitch, Peter I, Neimark, Alexander V

“…The heat of adsorption is one of the most important parameters characterizing energetic heterogeneity of the adsorbent surface. Heats of adsorption are either…”
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Connecting theory and simulation with experiment for the study of diffusion in nanoporous solids by Bukowski, Brandon C., Keil, Frerich J., Ravikovitch, Peter I., Sastre, German, Snurr, Randall Q., Coppens, Marc-Olivier

“…Nanoporous solids are ubiquitous in chemical, energy, and environmental processes, where controlled transport of molecules through the pores plays a crucial…”
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Structures and dimensions of micelle-templated nanoporous silicas derived from swollen spherical micelles of temperature-dependent size by Ke, Fuyou, Yi, Jinhui, Zhang, Shu, Zhou, Shuiqin, Ravikovitch, Peter I., Kruk, Michal

“…[Display omitted] Subambient temperatures are employed in Pluronic-block-copolymer-templated syntheses of many large-pore silicas: SBA-15 (2-D hexagonal with…”
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Adsorption of CO2 on high silica MFI and DDR zeolites: Structural defects and differences between adsorbent samples by Vidoni, Adam, Ravikovitch, Peter I., Afeworki, Mobae, Calabro, David, Deckman, Harry, Ruthven, Douglas

“…Equilibrium isotherms have been measured for adsorption of CO2 on several different samples of high silica zeolites (silicalite, the aluminum free form of…”
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A Strong Test of Atomically Detailed Models of Molecular Adsorption in Zeolites Using Multilaboratory Experimental Data for CO2 Adsorption in Ammonium ZSM‑5 by Fang, Hanjun, Findley, John, Muraro, Giovanni, Ravikovitch, Peter I, Sholl, David S

“…A recent international interlaboratory study led by the U.S. National Institute of Standards (NIST) reported CO2 adsorption isotherms measured independently by…”
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