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Search Publications by: Wei Zhou (Fed)

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Displaying 76 - 100 of 148

Efficient Separation of Ethylene from Acetylene/Ethylene Mixtures by a Flexible-Robust Metal-Organic Framework

September 24, 2017
Author(s)
Libo Li, Rui-Biao Lin, Rajamani Krishna, Xiaoqing Wang, Bin Li, Hui Wu, Jinping Li, Wei Zhou, Banglin Chen
During the production of polymer-grade ethylene, trace amounts of acetylene (about 1%) in the ethylene feed needs to be reduced to 40 parts per million (ppm). We herein report a metal-organic framework (MOF) of flexible-robust nature for efficient removal

Fine Tuning of MOF-505 Analogues to Reduce Low-Pressure Methane Uptake and Enhance Methane Working Capacity

September 7, 2017
Author(s)
Mingxing Zhang, Wei Zhou, Tony Pham, Katherine A. Forrest, Wenlong Liu, Yabing He, Hui Wu, Taner N. Yildirim, Banglin Chen, Brian Space, Yi Pan, Michael J. Zaworotko, Junfeng Bai
We present a crystal engineering strategy to fine tune the pore chemistry of a family of isomorphous MOFs with similar pore size, pore surface properties and surface area (around 3000 m 2 g -1). Targeting PCN-14 variants in order to enhance its CH 4

Transition and Alkali Metal Complex Ternary Amides for Ammonia Synthesis and Decomposition

July 21, 2017
Author(s)
Hujun Cao, Jianping Guo, Fei Chang, Claudio Pistidda, Wei Zhou, Xilun Zhang, Antonio Santoru, Hui Wu, Norbert Schell, Rainer Niewa, Ping Chen, Thomas Klassen, Martin Dornheim
A new complex ternary amide Rb 2[Mn(NHd2) 4], which simultaneously contains both transition and alkali metal catalytic sites, is developed. This is in line with the recently reported TM-LiH composite catalysts, which has been shown to effectively break the

Ultrahigh and Selective SO 2 Uptake in Inorganic Anion-Pillared Hybrid Porous Materials

July 21, 2017
Author(s)
Xili Cui, Qiwei Yang, Lifeng Yang, Rajamani Krishna, Zhiguo Zhang, Zongbi Bao, Hui Wu, Zongbi Ren, Wei Zhou, Banglin Chen, Huabin Xing
The efficient capture of SO 2 is of great significance in gas purification processes including the flue gas desulfurization (FGD) and natural gas purification, but the design of porous materials with high adsorption capacity and selectivity of SO 2 remains

A Flexible-Robust Metal-Organic Framework for Efficient Removal of Propyne from Propylene

June 15, 2017
Author(s)
Libo Li, Rui-Baio Lin, Rajamani Krishna, Xiaoqing Wang, Bin Li, Hui Wu, Jinping Li, Wei Zhou, Banglin Chen
The removal of trace amount of propyne from propylene is critical for the production of polymer-grade propylene. We herein report the first example of metal-organic frameworks of flexible-robust nature for the efficient propyne/propylene separation. The

Optimized Separating Acetylene from Carbon Dioxide and Ethylene in a Microporous Material

June 15, 2017
Author(s)
Rui-Biao Lin, Libo Li, Hui Wu, Hadi Arman, Bin Li, Rong-Guang Lin, Wei Zhou, Banglin Chen
Selective separation of acetylene (C 2Hd2^)from carbon dioxide (CO 2) or ethylene (C 2H 4) needs specific porous materials whose pores can realize sieving effects while pore surfaces can differentiate their recognitions for these molecules of similar

A Microporous Hydrogen-Bonded Organic Framework with Amine Sites for Selective Recognition of Small Molecules

May 15, 2017
Author(s)
Hailong Wang, Hui Wu, Jinglan Kan, Ganggang Chang, Zizhu Yao, Bin Li, Wei Zhou, Shengchang Xiang, John Cong-Gui Zhao, Banglin Chen
A three-dimensional hydrogen-bonded organic framework (HOF-9) with suitable pore sizes and functional amine groups on the pore surfaces has been realized, exhibiting a highly selective recognition towards pyridine over BTX (BTX stans for benzene, toluene

Comparison of the Coordination of B 12 F 12 ^2-^, B 12 Cl 12 2- , and B 12 H 12 ^2-^ to Na + in the Solid State: Crystal Structures and Thermal Behavior of Na 2 (B 12

April 6, 2017
Author(s)
Eric V. Bukovsky, Dmitry V. Peryshkov, Hui Wu, Wei Zhou, Wan Si NMN Tang, W. Matthew Jones, Vitalie Stavila, Terrence J. Udovic, Steven H. Strauss
The synthesis of high-purity Na 2B 12F 12 and the crystal structures of Na 2(B 12F 12) (5 K neutron powder diffraction (NPD)), Na 2(H 2O) 4(B 12F 12) (120 K single-crystal X-ray diffraction (SC-XRD), Na 2(B 12Cl 12) (5 K and 295 K NPD), and Na 2(H 2O) 6(B

Development of Potential Organic-Molecule-Based Hydrogen Storage Materials: Converting C-N Bond-Breaking Thermolysis of Guanidine to N-H Bond-Breaking Dehydrogenation

September 8, 2016
Author(s)
Xiuquan Zhou, Wei Zhou, Terrence J. Udovic, Taner N. Yildirim, John J. Rush, Efrain E. Rodriguez, Hui Wu
The small organic molecule guanidine CN 3H 5 can be anionized via a facile reaction with alkali-metal hydrides or amides with the formation of metal guanidinates (MCN 3H 4) and their guanidine adducts. They crystal structures and thermal decomposition

Structural and Dynamical Trends in Alkali-Metal Silanides Characterized by Neutron-Scattering Methods

September 2, 2016
Author(s)
Wan Si NMN Tang, Mirjana NMN Dimitrievska, Jean-Noel Chotard, Wei Zhou, Raphael Janot, Alexander V. Skripov, Terrence J. Udovic
Structural, vibrational, and dynamical properties of the mono- and mixed-alkali silanides (MSiH 3, where M=K, Rb, Cs, K 0.5Rb 0.5Cs 0.5, and Rb 0.5Cs 0.5) were investigated by various neutron experiments, including neutron powder diffraction (NPD), neutron

The Low-Temperature Structural Behavior of Sodium 1-Carba-closo-decaborate: NaCB 9 H 10

August 21, 2016
Author(s)
Hui Wu, Wan Si NMN Tang, Wei Zhou, Jacob Daniel Tarver, Vitalie Stavila, Craig Brown, Terrence J. Udovic
Two ordered phases of the novel solid superionic conductor sodium 1-carba-closo-decaborate (NaCB 9H 10) were identified via synchrotron x-ray powder diffraction in combination with first-principles calculations and neutron vibrational spectroscopy. A

Structure-Dependent Vibrational Dynamics in Mg(BH 4 ) 2 Polymorphs Probed with Neutron Vibrational Spectroscopy and First-Principles Calculations

August 19, 2016
Author(s)
Mirjana NMN Dimitrievska, James L. White, Wei Zhou, Vitalie Stavila, Leonard E. Klebanoff, Terrence J. Udovic
The structure-dependent vibrational properties of different Mg(BH 4)d2^ polymorphs (α, β, γ and δ phases) were investigated with a combination of neutron vibrational spectroscopy measurements and density functional theory (DFT) calculations, with emphasis

Pore Chemistry and Size Control in Hybrid Porous Materials for Acetylene Capture from Ethylene

May 20, 2016
Author(s)
Xili Cui, Kaijie Chen, Huabin Xing, Qiwei Yang, Rajamani Krishna, Zongbi Bao, Hui Wu, Wei Zhou, Xinglong Dong, Yu Han, Bin Li, Qilong Ren, Michael J. Zaworotko, Banglin Chen
The trade-off between physical adsorption capacity and selectivity of porous materials is a major barrier for efficient gas separation and purification through physisorption. We report control over pore chemistry and size in copper coordination networks

High Methane Storage and Working Capacities in a NbO-Type Metal-Organic Framework

May 14, 2016
Author(s)
Chengling Song, Huimin Liu, Jingjing Jiao, Dongjie Bai, Wei Zhou, Taner N. Yildirim, Yabing He
To improve methane adsorption by pore structure optimization, we developed a new organic linker and used it to construct a NbO-type metal-organic framework ZJNU-53 that, after activation, exhibits exceptionally high methane storage and working capacities

UTSA-74: A MOF-74 Isomer with Two Accessible Binding Sites per Metal Center for Highly Selective Gas Separation

May 4, 2016
Author(s)
Feng Luo, Changsheng Yan, Lilong Dang, Rajamani Krishna, Wei Zhou, Hui Wu, Xinglong Dong, Yu Han, Tong-Liang Hu, Michael O'Keeffe, Lingling Wang, Mingbiao Luo, Rui-Biao Lin, Banglin Chen
A new metal-organic framework Zn 2(H 2O)(dobdc)¿0.5(H 2O) (UTSA-74, H 4dobdc=2,5-dioxido-1,4- benzenedicarboxylic acid), Zn-MOF-74/CPO-27-Zn isomer, has been synthesized and structurally characterized. It has a novel four coordinated fgl topology with one

Extraordinary Separation of Acetylene-Containing Mixtures with Microporous Metal-Organic Frameworks with Open O Donor Sites and Tunable Robustness through Control of the Helical Chain Secondary Building Units

May 1, 2016
Author(s)
Zizhu Yao, Zhangjing Zhang, Lizhen Liu, Ziyin Li, Wei Zhou, Yunfeng Zhao, Yu Han, Banglin Chen, Rajamani Krishna, Shengchang Xiang
Acetylene separation is a very important but challenging industrial separation task. Here, through solvothermal reaction of CuI and 5-triazole isophthalic acid in various solvents, two metal-organic frameworks (MOFs, FJU-21 and FJU-22) with open O donor

A Fluorinated Metal-Organic Framework for High Methane Storage at Room Temperature

April 14, 2016
Author(s)
Ganggang Chang, Huimin Wen, Bin Li, Wei Zhou, Hailong Wang, Khalid Alfooty, Zongbi Bao, Banglin Chen
A fluorinated metal-organic framework NOTT-108 with single pure-phase has been synthesized for the first time, which has enabled us to examine the effect of the substituted fluorine atoms on the methane storage. The activated NOTT-108a shows a permanent

Modulating the Electrical Conductivity of Metal-Organic Framework Films with Intercalated Guest P-Systems

January 26, 2016
Author(s)
Zhiyong Guo, Dillip K. Panda, Krishnendu Maity, David Lindsey, T. Gannon Parker, Thomas E. Albrecht-Schmitt, Jorge L. Barreda-Esparza, Peng Xiong, Wei Zhou, Sourav Saha
The access to electroactive metal-organic frameworks (MOFs) and the ability to manipulate their electrical conductivity with external stimuli are vital for the realization of MOF-based sensors and electronic devices. A blue-colored electroactive MOF (BMOF)