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Search Publications by: Hui Wu (Fed)

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Displaying 76 - 100 of 152

Boosting Ethane/Ethylene Separation within Isoreticular Ultramicroporous Metal-Organic Frameworks

October 11, 2018
Author(s)
Rui-Biao Lin, Hui Wu, Libo Li, Xiao-Liang Tang, Zhiqiang Li, Junkuo Gao, Hui Cui, Wei Zhou, Banglin Chen
The separation of ethane from its analogous ethylene is of great importance in the petrochemical industry, but very challenging and energy-intensive. Adsorptive separation using C cH 6-selective porous materials can directly produce high purity C 2H 4 in a

Visualizing Structural Transformation and Guest Binding in a Flexible Metal-Organic Framework under High Pressure and Room Temperature

October 1, 2018
Author(s)
Hui Yang, Feng Guo, Prem Lama, Gaurav Verma, Wen-Yang Gao, Hui Wu, Leonard J. Barbour, Wei Zhou, Jian Zhang, Briana Aguila, Shengqian Ma
Understanding effect of gas molecules on the framework structures upon gas sorption in porous materials is highly desirable for the development of gas storage and separation technologies. However, this remains challenging for flexible metal-organic

Nature of Decahydro-Closo-Decaborate Anion Reorientations in an Ordered Alkali-Metal Salt: Rb 2 B 10 H 10

July 12, 2018
Author(s)
Mirjana NMN Dimitrievska, Vitalie Stavila, Alexei V. Soloninin, Roman V. Skoryunov, Olga A. Babanova, Hui Wu, Wei Zhou, Wan Si Tang, Antonio Faraone, Jacob Daniel Tarver, Benjamin Trump, Alexander V. Skripov, Terrence J. Udovic
The ordered monoclinic phase of the alkali-metal decahydro-closodecaborate salt Rb 2B 10H 10 was found to be stable from about 250 K all the way up to an order-disorder phase transition temperature of approximately equal} 762 K. The broad temperature range

Controlling Pore Shape and Size of Interpenetrated Anion-Pillared Ultramicroporous Materials Enables Molecular Sieving of CO 2 Combined with Ultrahigh Uptake Capacity

May 16, 2018
Author(s)
Mengdie Jiang, Bin Li, Xili Cui, Qiwei Yang, Zongbi Bao, Yiwen Yang, Hui Wu, Wei Zhou, Banglin Chen, Huabin Xing
The separation of carbon dioxide (CO 2) from hydrocarbons is a critical process for the production of clean energy and high-purity chemicals. Adsorption based on molecular sieving is an energy-saving separation process; however most of molecular sieves

Fine Tuning and Specific Binding Sites with a Porous Hydrogen-Bonded Metal-Complex Framework for Gas Selective Separations

May 14, 2018
Author(s)
Zongbi Bao, Danyan Xie, Ganggang Chang, Hui Wu, Liangying Li, Wei Zhou, Hailong Wang, Zhiguo Zhang, Huabin Xing, Qiwei Yang, Michaek J. Zaworotko, Qilong Ren, Banglin Chen
Research on HOFs has been developed for quite a long time; however, those with both established permanent porosities and functional properties are extremely rare due to weak hydrogen-bonding interactions among molecular organic linkers which are much more

Order-Disorder Transitions and Superionic Conductivity in the Sodium Nido-Undeca(carba)borates

December 26, 2017
Author(s)
Wan Si NMN Tang, Mirjana NMN Dimitrievska, Vitalie Stavila, Wei Zhou, Hui Wu, A. Alec Talin, Terrence J. Udovic
The salt compounds NaB 11H 14, Na-7-CB 10H 13, Li-7-CB 10H 13, Na-7,8-Cd2^B 9H 12, and Na-7,9-C 2B 9H 12 all contain geometrically similar, monocharged, nido-undeca(carba)borate anions (i.e., truncated icosohedral-shaped clusters constructed of only eleven

An Ideal Molecular Sieve for Acetylene Removal from Ethylene with Record Selectivity and Productivity

December 20, 2017
Author(s)
Bin Li, Xili Cui, Dan O'Nolan, Hui-Min Wen, Mengdie Jiang, Rajamani Krishna, Hui Wu, Rui-Biao Lin, Yu-Sheng Chen, Daqiang Yuan, Huabin Xing, Wei Zhou, Qilong Ren, Guodong Qian, Michael J. Zaworotko, Banglin Chen
Realization of ideal molecular sieves, in which the larger gas molecules are completely blocked without sacrificing high adsorption capacities of the preferred smaller gas molecules, can significantly reduce energy costs for gas separation and purification

Latent Porosity in Alkali-Metal M 2 B 12 F 12 Salts: Structures and Rapid Room-Temperature Hydration/Dehydration Cycles

October 2, 2017
Author(s)
Dmitry V. Peryshkov, Eric V. Bukovsky, Matthew R. Lacroix, Hui Wu, Wei Zhou, W. Matthew Jones, Matic Lozinsek, Travis C. Folsom, D. Luke Heyliger, Terrence J. Udovic, Steven H. Strauss
Structures of the alkali metal hydrates Li 2(H 2O) 4Z, LiK(H 2O) 4, Na 2(H 2O) 3Z, and Rb 2(H 2O) 2Z, unit cell parameters for Rb 2Z and Rb 2(H 2O) 2Z, and the DFT-optimized structures of K 2Z, K 2(H 2O) 2Z, Rb 2Z, Rb 2(H 2O) 2Z, Cs 2Z, and Cs 2(H 2O)Z are

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

Switching Between Giant Positive and Negative Thermal Expansions of a YFe(CN) 6 -Based Prussian Blue Analogue Induced by Guest Species

July 24, 2017
Author(s)
Qilong Gao, Jun Chen, Qiang Sun, Dahu Chang, Qingzhen Huang, Hui Wu, Andrea Sanson, Ruggero Milazzo, He Zhu, Qiang Li, Zhanning Liu, Jinxia Deng, Xianran Xing
The control of thermal expansion of solid compounds is intriguing but remains challenge. In this study, we investigate the effect of guests on the thermal expansion of open-framework structures. It is interesting to observe that the presence of guest ions

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
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