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Search Publications by: Taner Yildirim (Fed)

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Displaying 1 - 25 of 52

Water-Enhanced CO2 Capture with Molecular Salt Sodium Guanidinate

June 4, 2024
Hayden Evans, Marcus Carter, Wei Zhou, Taner N. Yildirim, Craig Brown, Hui Wu
Solid-state amine absorbent materials, including those containing guanidine derivatives, have received tremendous attention as the world combats the challenges of climate change. Although these materials are attractive for their selective CO2 capture

Hydrogen Storage with Aluminum Formate, ALF: Experimental, Computational, and Technoeconomic Studies

September 28, 2023
Hayden Evans, Taner N. Yildirim, Peng Peng, Yongqiang Cheng, Zeyu Deng, Qiang Zhang, Dinesh Mullangi, Dan Zhao, Pieremanuele Canepa, Hanna M. Breunig, Anthony K. Cheetham, Craig Brown
Long-duration storage of hydrogen is necessary for coupling renewable H2 with stationary fuel cell power applications. In this work, aluminum formate (ALF), which adopts the ReO3-type structure, is shown to have remarkable H2 storage performance at non

Noncryogenic Air Separation using Aluminum Formate Al(HCOO) 3 (ALF)

May 3, 2023
Dinesh Mullangi, Hayden Evans, Taner N. Yildirim, Yuxiang Wang, Zeyu Deng, Zhaoqiang Zhang, Thuc Mai, Fengxia Wei, John Wang, Angela R. Hight Walker, Craig Brown, Dan Zhao, Pieremanuele Canepa, Anthony K. Cheetham
Separating oxygen from air to create oxygen-enriched gas streams is a process that is significant in both industrial and medical fields. However, the prominent technologies for creating oxygen-enriched gas streams are both energy and infrastructure

Reproducible Sorbent Materials Foundry for Carbon Capture at Scale

September 22, 2022
Austin McDannald, Howie Joress, Brian DeCost, Avery Baumann, A. Gilad Kusne, Kamal Choudhary, Taner N. Yildirim, Daniel Siderius, Winnie Wong-Ng, Andrew J. Allen, Christopher Stafford, Diana Ortiz-Montalvo
We envision an autonomous sorbent materials foundry (SMF) for rapidly evaluating materials for direct air capture of carbon dioxide ( CO2), specifically targeting novel metal organic framework materials. Our proposed SMF is hierarchical, simultaneously

Graph Neural Network Predictions of Metal Organic Framework CO2 Adsorption Properties

July 1, 2022
Kamal Choudhary, Taner N. Yildirim, Daniel Siderius, A. Gilad Kusne, Austin McDannald, Diana Ortiz-Montalvo
The increasing CO$_2$ level is a critical concern and suitable materials are needed to directly capture such gases from the environment. While experimental and conventional computational methods are useful in finding such materials, they are usually slow

Structural Properties of Kerogens with Different Maturities

October 15, 2020
Wei-Shan Chiang, Jin-hong Chen, David Jacobi, Taner N. Yildirim
The thermogenic transformation of kerogen into hydrocarbons accompanies the development of a pore network within the kerogen that serves as gas storage locations both in pore space and surface area for adsorbed gas within the source rock. Therefore, the

Optimization of the Pore Structures of MOFs for Record High Hydrogen Volumetric Working Capacity

April 28, 2020
Xin Zhang, Rui-Biao Lin, Jing Wang, Bin Wang, Bin Liang, Taner N. Yildirim, Jian Zhang, Wei Zhou, Banglin Chen
Metal-organic frameworks are promising materials for onboard hydrogen storage thanks to the tunable pore size, pore volume, and pore geometry. In consideration of pore structures, the correlation between the pore volume and hydrogen storage capacity is

A Microporous Metal-Organic Framework with Naphthalene Diimide Groups for High Methane Storage

March 28, 2020
Yingxiang Ye, Rui-Biao Lin, Hui Cui, Ali Alsalme, Wei Zhou, Taner N. Yildirim, Zhangjing Zhang, Shengchang Xiang, Banglin Chen
We reported a microporous MOF FJU-101 with open naphthalene diimide functional groups for room temperature (RT) high methane storage. At RT and 65 bar, the total volumetric CH 4 storage capacity of 212 cm -3 in FJU-101a is significantly higher than the

Tailoring the Pore Geometry and Chemistry in Microporous Metal-Organic Frameworks for High Methane Storage Working Capacity

November 13, 2019
Kai Shao, Jiyan Pei, Jia-Xin Wang, Yu Yang, Yuanjing Cui, Wei Zhou, Taner N. Yildirim, Bin Li, Banglin Chen, Guodong Qian
We realize that tailoring pore size/geometry and Chemistry, by virture of alkynl or naphthalene replacing phenyl within a series of isomorphic MOFs, can optimize methane storage working capacities, affording an exceptionally high working capacity of 203 cm

Mechanical Control of Crystal Symmetry and Superconductivity in Weyl Semimetal MoTe 2

July 30, 2018
Colin A Heikes, I Lin NMN Liu, Tristin Metz, Christoper Eckberg, Paul Michael Neves, Yan Wu, Linda NMN Hung, Phil Piccoli, Huibo Cao, Juscelino Leao, Johnpierre Paglione, Taner Yildirim, Nicholas P. Butch, William D. Ratcliff
The concept of topological order applied to condensed matter systems has inspired extensive experimental and theoretical searches for novel types of quantum matter. Topological superconductivity, where a bulk superconducting state and non-trivial topology

A Non-Invasive Method to Directly Quantify Surface Heterogeneity of Porous Materials

February 22, 2018
Wei-Shan NMN Chiang, Daniel Georgi, Taner Yildirim, Jin-hong Chen, Yun Liu
Many porous materials have widely differing pore surface properties because the matrix materials forming the pores are heterogeneous at microscopic levels resulting in different adsorption/desorption behaviors and storage capacity of guest molecules in

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

September 7, 2017
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

First-Principles Zone-Center Theory of Superconductivity in MgB 2

February 19, 2017
Taner N. Yildirim, O Gulseren
We have carried out first-principles calculation of Tc and other relevant parameters of the new 40 K superconductor MgB2. Our results are in excellent agreement with the neutron measurements of phonons as well as with the measured boron isotope effect and

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
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

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

May 14, 2016
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

Novel Microporous Metal?Organic Framework Exhibiting High Acetylene and Methane Storage Capacities

June 1, 2015
Xing Duan, Chuande Wu, Shengchang Xiang, Wei Zhou, Taner N. Yildirim, Yuanjing Cui, Yu Yang, Banglin Chen, Guodong Qian
A new organic hexacarboxylic acid, 5,5',5"-(9H-carbazole-3,6,9-triyl) triisophthalic acid (H 6CTIA), was developed to construct its first microporous metal-organic framework Cu 6(CTUIA)d2^ (ZJU-70). With open metal sites and suitable pore sizes, this MOF