Enhanced Breakthrough Efficiency by a Chemically Stable Porous Coordination Polymer with Optimized Nanochannel

Haifei Cao; Zhiyong Lu; Kim Hyeon-Deuk; I. Ya Chang; Yang Wang; Zhifeng Xin; Jingui Duan; Wanqin Jin

doi:10.1021/acsami.8b12728

Enhanced Breakthrough Efficiency by a Chemically Stable Porous Coordination Polymer with Optimized Nanochannel

Haifei Cao, Zhiyong Lu, Kim Hyeon-Deuk, I. Ya Chang, Yang Wang, Zhifeng Xin, Jingui Duan, Wanqin Jin

College of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

High separation efficiency is very important for process of pressure swing adsorption (PSA) in the industry. Herein, we propose a fine design of chemically stable porous coordination polymers (PCPs) with optimized nanochannel by strategy of inserting and shifting shortest alkyl group on T-shaped ligand. Remarkably, the synergistic effect of optimized nanochannel, unique crystal morphology and fitted channel enable sharply enhanced breakthrough efficiency of C₂H_6/4/CH₄, 1.17 or 0.77 g of CH₄ can be separated from corresponding dual mixtures (2/8, v/v) by 1 g of NTU-25 at 273 K, which was further validated and understood by controlled experiments and density functional theory (DFT) computations.

Original language	English
Pages (from-to)	39025-39031
Number of pages	7
Journal	ACS Applied Materials and Interfaces
Volume	10
Issue number	45
DOIs	https://doi.org/10.1021/acsami.8b12728
State	Published - 14 Nov 2018

Keywords

breakthrough efficiency
chemically stable porous coordination polymer
inserted/shifted methyl group
methane purification
optimized nanochannel

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10.1021/acsami.8b12728

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abstract = "High separation efficiency is very important for process of pressure swing adsorption (PSA) in the industry. Herein, we propose a fine design of chemically stable porous coordination polymers (PCPs) with optimized nanochannel by strategy of inserting and shifting shortest alkyl group on T-shaped ligand. Remarkably, the synergistic effect of optimized nanochannel, unique crystal morphology and fitted channel enable sharply enhanced breakthrough efficiency of C2H6/4/CH4, 1.17 or 0.77 g of CH4 can be separated from corresponding dual mixtures (2/8, v/v) by 1 g of NTU-25 at 273 K, which was further validated and understood by controlled experiments and density functional theory (DFT) computations.",

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T1 - Enhanced Breakthrough Efficiency by a Chemically Stable Porous Coordination Polymer with Optimized Nanochannel

AU - Cao, Haifei

AU - Lu, Zhiyong

AU - Hyeon-Deuk, Kim

AU - Chang, I. Ya

AU - Wang, Yang

AU - Xin, Zhifeng

AU - Duan, Jingui

AU - Jin, Wanqin

PY - 2018/11/14

Y1 - 2018/11/14

N2 - High separation efficiency is very important for process of pressure swing adsorption (PSA) in the industry. Herein, we propose a fine design of chemically stable porous coordination polymers (PCPs) with optimized nanochannel by strategy of inserting and shifting shortest alkyl group on T-shaped ligand. Remarkably, the synergistic effect of optimized nanochannel, unique crystal morphology and fitted channel enable sharply enhanced breakthrough efficiency of C2H6/4/CH4, 1.17 or 0.77 g of CH4 can be separated from corresponding dual mixtures (2/8, v/v) by 1 g of NTU-25 at 273 K, which was further validated and understood by controlled experiments and density functional theory (DFT) computations.

AB - High separation efficiency is very important for process of pressure swing adsorption (PSA) in the industry. Herein, we propose a fine design of chemically stable porous coordination polymers (PCPs) with optimized nanochannel by strategy of inserting and shifting shortest alkyl group on T-shaped ligand. Remarkably, the synergistic effect of optimized nanochannel, unique crystal morphology and fitted channel enable sharply enhanced breakthrough efficiency of C2H6/4/CH4, 1.17 or 0.77 g of CH4 can be separated from corresponding dual mixtures (2/8, v/v) by 1 g of NTU-25 at 273 K, which was further validated and understood by controlled experiments and density functional theory (DFT) computations.

KW - breakthrough efficiency

KW - chemically stable porous coordination polymer

KW - inserted/shifted methyl group

KW - methane purification

KW - optimized nanochannel

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Enhanced Breakthrough Efficiency by a Chemically Stable Porous Coordination Polymer with Optimized Nanochannel

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Keywords

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