1
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Wang X, Kong F, Zeng W, Zhang H, Xin C, Kong X. The Resource Utilization of Poplar Leaves for CO 2 Adsorption. Molecules 2024; 29:2024. [PMID: 38731515 PMCID: PMC11085795 DOI: 10.3390/molecules29092024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/18/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
Every late autumn, fluttering poplar leaves scatter throughout the campus and city streets. In this work, poplar leaves were used as the raw material, while H3PO4 and KOH were used as activators and urea was used as the nitrogen source to prepare biomass based-activated carbons (ACs) to capture CO2. The pore structures, functional groups and morphology, and desorption performance of the prepared ACs were characterized; the CO2 adsorption, regeneration, and kinetics were also evaluated. The results showed that H3PO4 and urea obviously promoted the development of pore structures and pyrrole nitrogen (N-5), while KOH and urea were more conductive to the formation of hydroxyl (-OH) and ether (C-O) functional groups. At optimal operating conditions, the CO2 adsorption capacity of H3PO4- and KOH-activated poplar leaves after urea treatment reached 4.07 and 3.85 mmol/g, respectively, at room temperature; both showed stable regenerative behaviour after ten adsorption-desorption cycles.
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Affiliation(s)
- Xia Wang
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, China
| | - Fanyuan Kong
- Library, Weifang University, Weifang 261061, China
| | - Wulan Zeng
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, China
| | - Huaxiang Zhang
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, China
| | - Chunling Xin
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, China
| | - Xiangjun Kong
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, China
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2
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Rubio-Gaspar A, Misturini A, Millan R, Almora-Barrios N, Tatay S, Bon V, Bonneau M, Guillerm V, Eddaoudi M, Navalón S, Kaskel S, Armentano D, Martí-Gastaldo C. Translocation and Confinement of Tetraamines in Adaptable Microporous Cavities. Angew Chem Int Ed Engl 2024:e202402973. [PMID: 38644341 DOI: 10.1002/anie.202402973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 04/15/2024] [Accepted: 04/19/2024] [Indexed: 04/23/2024]
Abstract
Metal-Organic Frameworks can be grafted with amines by coordination to metal vacancies to create amine-appended solid adsorbents, which are being considered as an alternative to using aqueous amine solutions for CO2 capture. In this study, we propose an alternative mechanism that does not rely on the use of neutral metal vacancies as binding sites but is enabled by the structural adaptability of heterobimetallic Ti2Ca2 clusters. The combination of hard (Ti4+) and soft (Ca2+) metal centers in the inorganic nodes of the framework enables MUV-10 to adapt its pore windows to the presence of triethylenetetramine molecules. This dynamic cluster response facilitates the translocation and binding of tetraamine inside the microporous cavities to enable the formation of bis-coordinate adducts that are stable in water. The extension of this grafting concept from MUV-10 to larger cavities not restrictive to CO2 diffusion will complement other strategies available for the design of molecular sorbents for decarbonization applications.
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Affiliation(s)
- Ana Rubio-Gaspar
- Functional Inorganic Materials Team, Instituto de Ciencia Molecular (ICMol), Universidad de València, c/Catedrático José Beltrán, 2., Paterna, 46980, Spain
| | - Alechania Misturini
- Functional Inorganic Materials Team, Instituto de Ciencia Molecular (ICMol), Universidad de València, c/Catedrático José Beltrán, 2., Paterna, 46980, Spain
| | - Reisel Millan
- Instituto de Tecnología Química (ITQ), Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas (CSIC), Valencia, 46022, Spain
| | - Neyvis Almora-Barrios
- Functional Inorganic Materials Team, Instituto de Ciencia Molecular (ICMol), Universidad de València, c/Catedrático José Beltrán, 2., Paterna, 46980, Spain
| | - Sergio Tatay
- Functional Inorganic Materials Team, Instituto de Ciencia Molecular (ICMol), Universidad de València, c/Catedrático José Beltrán, 2., Paterna, 46980, Spain
| | - Volodymyr Bon
- Technische Universität Dresden, Department of Inorganic Chemistry, Dresden, 01069, Germany
| | - Mickaele Bonneau
- Functional Materials Design, Discovery and Development Research Group, Advanced Membranes and Porous Materials Center, Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Vincent Guillerm
- Functional Materials Design, Discovery and Development Research Group, Advanced Membranes and Porous Materials Center, Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Mohamed Eddaoudi
- Functional Materials Design, Discovery and Development Research Group, Advanced Membranes and Porous Materials Center, Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Sergio Navalón
- Departamento de Química, Universitat Politècnica de València, Valencia, 46022, Spain
| | - Stefan Kaskel
- Technische Universität Dresden, Department of Inorganic Chemistry, Dresden, 01069, Germany
| | - Donatella Armentano
- Dipartimento di Chimica e Tecnologie Chimiche (CTC), Università della Calabria, 87036, Rende, Cosenza, Italy
| | - Carlos Martí-Gastaldo
- Functional Inorganic Materials Team, Instituto de Ciencia Molecular (ICMol), Universidad de València, c/Catedrático José Beltrán, 2., Paterna, 46980, Spain
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3
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Said RB, Rahali S, Yan C, Seydou M, Tangour B, Sayari A. CO 2 Capture by Diamines in Dry and Humid Conditions: A Theoretical Approach. J Phys Chem A 2023; 127:7756-7763. [PMID: 37698444 DOI: 10.1021/acs.jpca.3c04416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/13/2023]
Abstract
This work is a mechanistic study of the CO2 reaction with diamines under both dry and wet conditions. All protic α,ω-diamines R1H1N1-(CH2)n-N2H2R2, with n = 1-5 and R1 and R2 = H and/or CH3, were investigated. Depending on the nature of the diamine, the reaction was found to follow one of two concerted asynchronous reaction mechanisms with a zwitterion hidden intermediate. Both mechanisms involved two processes. The first process consisted of a nucleophilic attack of the nitrogen N1 of the first amine group on the carbon of CO2, accompanied by the transfer of a hydrogen atom H1 from N1 to the nitrogen N2 of the second amine group, leading to the formation of a carbamate zwitterion. The subsequent process corresponds to the transfer of a hydrogen atom H2 from the second amine group N2 to an oxygen atom of CO2, thus ending the reaction by the formation of carbamic acid. The structure of the zwitterion hidden intermediate was determined using the reactive internal reaction coordinates (RIRC), a reaction pathway visualization tool, consisting of a 3D representation of the potential energy versus the internuclear distances N2-H1 and N2-H2, which correspond to the bond being formed and the bond being broken, respectively. The life span of the transitory species, i.e., the zwitterion, was found to depend on the nature of the second amine group. For primary amines, the life span of the zwitterion was "short", whereas for secondary amines, it was "long". The corresponding mechanisms were termed the "early" and "late" asynchronous mechanism, respectively. Regardless of the mechanism, the activation barriers were found to decrease with the length of the carbon chain linking the two amine groups, with an asymptotic behavior from n = 4. Involvement of a water molecule generates a significant catalytic effect for diamines with short carbon chains (n < 4), whereas for longer chain diamines, water has a slightly adverse effect.
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Affiliation(s)
- Ridha Ben Said
- Department of Chemistry, College of Science & Arts, Qassim University, Ar Rass 51921, Saudi Arabia
- Faculté des Sciences de Tunis, Laboratoire de Caractérisations, Applications et Modélisations des Matériaux, Université Tunis El Manar, Tunis 1068, Tunisia
| | - Seyfeddine Rahali
- Department of Chemistry, College of Science & Arts, Qassim University, Ar Rass 51921, Saudi Arabia
| | - Chuanyu Yan
- Department of Chemistry and Biomolecular Sciences, Centre for Catalysis Research and Innovation, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | | | - Bahoueddine Tangour
- Research Unit on Modelization of Fundamental Sciences and Didactics, IPEIEM, Université de Tunis El Manar, Tunis 2092, Tunisia
| | - Abdelhamid Sayari
- Department of Chemistry and Biomolecular Sciences, Centre for Catalysis Research and Innovation, University of Ottawa, Ottawa, ON K1N 6N5, Canada
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4
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Erokhin KS, Pentsak EO, Sorokin VR, Agaev YV, Zaytsev RG, Isaeva VI, Ananikov VP. Dynamic behavior of metal nanoparticles in MOF materials: analysis with electron microscopy and deep learning. Phys Chem Chem Phys 2023; 25:21640-21648. [PMID: 37551526 DOI: 10.1039/d3cp02595k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
Electron microscopy is a key characterization technique for nanoscale systems, and electron microscopy images are typically recorded and analyzed in terms of the morphology of the objects under study in static mode. The emerging current trend is to analyze the dynamic behavior at the nanoscale observed during electron microscopy measurements. In this work, the study of the stability of MOF structures with different compositions and topologies under conditions of an electron microscope experiment revealed an unusual dynamic behavior of M NPs formed due to the electron-beam-induced transformation of specific frameworks. The transition to the liquid phase led to spatial movement, rapid sintering, and an increase in the M NPs size within seconds. In the case of copper nanoparticles, instantaneous sublimation was observed. The dynamic behavior of Co NPs was analyzed with a computational framework combining deep learning and classic computer vision techniques. The present study for the first time revealed unique information about the stability of a variety of MOFs under an electron beam and the dynamic behavior of the formed M NPs. The formation of Fe, Ni, Cu, and Co NPs was observed from a molecular framework with a specific subsequent behavior - a stable form for Fe, excessive dynamics for Co, and sublimation/condensation for Cu. Two important outcomes of the present study should be mentioned: (i) electron microscopy investigations of MOF samples should be made with care, as decomposition under an electron beam may lead to incorrect results and the appearance of "phantom" nanoparticles; and (ii) MOFs represent an excellent model for fundamental studies of molecular-to-nano transitions in situ in video mode, including a number of dynamic transformations.
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Affiliation(s)
- Kirill S Erokhin
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect, 47, Moscow, 119991, Russia.
| | - Evgeniy O Pentsak
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect, 47, Moscow, 119991, Russia.
| | - Vyacheslav R Sorokin
- Platov South-Russian State Polytechnic University (NPI), Prosveschenia Str. 132, Novocherkassk 346428, Russia
| | - Yury V Agaev
- Platov South-Russian State Polytechnic University (NPI), Prosveschenia Str. 132, Novocherkassk 346428, Russia
| | - Roman G Zaytsev
- Platov South-Russian State Polytechnic University (NPI), Prosveschenia Str. 132, Novocherkassk 346428, Russia
| | - Vera I Isaeva
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect, 47, Moscow, 119991, Russia.
| | - Valentine P Ananikov
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect, 47, Moscow, 119991, Russia.
- Platov South-Russian State Polytechnic University (NPI), Prosveschenia Str. 132, Novocherkassk 346428, Russia
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5
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Xiang X, Guo T, Yin Y, Gao Z, Wang Y, Wang R, An M, Guo Q, Hu X. High Adsorption Capacity Fe@13X Zeolite for Direct Air CO 2 Capture. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c04458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Affiliation(s)
- Xiaoju Xiang
- State Key Laboratory of High-efficiency Coal Utilization and Green Chemical Engineering, School of Chemistry and Chemical Engineering, Ningxia University, Yinchuan, Ningxia 750021, China
| | - Tuo Guo
- State Key Laboratory of High-efficiency Coal Utilization and Green Chemical Engineering, School of Chemistry and Chemical Engineering, Ningxia University, Yinchuan, Ningxia 750021, China
| | - Yinmei Yin
- State Key Laboratory of High-efficiency Coal Utilization and Green Chemical Engineering, School of Chemistry and Chemical Engineering, Ningxia University, Yinchuan, Ningxia 750021, China
| | - Zhuxian Gao
- State Key Laboratory of High-efficiency Coal Utilization and Green Chemical Engineering, School of Chemistry and Chemical Engineering, Ningxia University, Yinchuan, Ningxia 750021, China
| | - Yanxia Wang
- Chemical Science and Engineering College, North Minzu University, Yinchuan 750021, China
| | - Ruotong Wang
- State Key Laboratory of High-efficiency Coal Utilization and Green Chemical Engineering, School of Chemistry and Chemical Engineering, Ningxia University, Yinchuan, Ningxia 750021, China
| | - Mei An
- Key Laboratory of Coal Processing and Efficient Utilization, Ministry of Education, China University of Mining & Technology, Xuzhou, Jiangsu 221116, China
| | - Qingjie Guo
- State Key Laboratory of High-efficiency Coal Utilization and Green Chemical Engineering, School of Chemistry and Chemical Engineering, Ningxia University, Yinchuan, Ningxia 750021, China
- Key Laboratory of Clean Chemical Engineering in Universities of Shandong, College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Xiude Hu
- State Key Laboratory of High-efficiency Coal Utilization and Green Chemical Engineering, School of Chemistry and Chemical Engineering, Ningxia University, Yinchuan, Ningxia 750021, China
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6
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Åhlén M, Cheung O, Xu C. Low-concentration CO 2 capture using metal-organic frameworks - current status and future perspectives. Dalton Trans 2023; 52:1841-1856. [PMID: 36723043 DOI: 10.1039/d2dt04088c] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The ever-increasing atmospheric CO2 level is considered to be the major cause of climate change. Although the move away from fossil fuel-based energy generation to sustainable energy sources would significantly reduce the release of CO2 into the atmosphere, it will most probably take time to be fully implemented on a global scale. On the other hand, capturing CO2 from emission sources or directly from the atmosphere are robust approaches that can reduce the atmospheric CO2 concentration in a relatively short time. Here, we provide a perspective on the recent development of metal-organic framework (MOF)-based solid sorbents that have been investigated for application in CO2 capture from low-concentration (<10 000 ppm) CO2 sources. We summarized the different sorbent engineering approaches adopted by researchers, both from the sorbent development and processing viewpoints. We also discuss the immediate challenges of using MOF-based CO2 sorbents for low-concentration CO2 capture. MOF-based materials, with tuneable pore properties and tailorable surface chemistry, and ease of handling, certainly deserve continued development into low-cost, efficient CO2 sorbents for low-concentration CO2 capture.
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Affiliation(s)
- Michelle Åhlén
- Division of Nanotechnology and Functional Materials, Department of Materials Science and Engineering, Uppsala University, Ångström Laboratory, SE-751 03 Uppsala, Box 35, Sweden.
| | - Ocean Cheung
- Division of Nanotechnology and Functional Materials, Department of Materials Science and Engineering, Uppsala University, Ångström Laboratory, SE-751 03 Uppsala, Box 35, Sweden.
| | - Chao Xu
- Division of Nanotechnology and Functional Materials, Department of Materials Science and Engineering, Uppsala University, Ångström Laboratory, SE-751 03 Uppsala, Box 35, Sweden.
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7
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Pugh SM, Forse AC. Nuclear magnetic resonance studies of carbon dioxide capture. JOURNAL OF MAGNETIC RESONANCE (SAN DIEGO, CALIF. : 1997) 2023; 346:107343. [PMID: 36512903 DOI: 10.1016/j.jmr.2022.107343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 11/08/2022] [Accepted: 11/21/2022] [Indexed: 06/17/2023]
Abstract
Carbon dioxide capture is an important greenhouse gas mitigation technology that can help limit climate change. The design of improved capture materials requires a detailed understanding of the mechanisms by which carbon dioxide is bound. Nuclear magnetic resonance (NMR) spectroscopy methods have emerged as a powerful probe of CO2 sorption and diffusion in carbon capture materials. In this article, we first review the practical considerations for carrying out NMR measurements on capture materials dosed with CO2 and we then present three case studies that review our recent work on NMR studies of CO2 binding in metal-organic framework materials. We show that simple 13C NMR experiments are often inadequate to determine CO2 binding modes, but that more advanced experiments such as multidimensional NMR experiments and 17O NMR experiments can lead to more conclusive structural assignments. We further discuss how pulsed field gradient (PFG) NMR can be used to explore diffusion of adsorbed CO2 through the porous framework. Finally, we provide an outlook on the challenges and opportunities for the further development of NMR methodologies that can improve our understanding of carbon capture.
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Affiliation(s)
- Suzi M Pugh
- Yusuf Hamied Department of Chemistry, Lensfield Road, Cambridge CB21EW, UK
| | - Alexander C Forse
- Yusuf Hamied Department of Chemistry, Lensfield Road, Cambridge CB21EW, UK.
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8
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Marshall BD. A Cluster Based Cooperative Kinetic Model for CO 2 Adsorption on Amine Functionalized Metal–Organic Frameworks. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c02402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Bennett D. Marshall
- ExxonMobil Technology and Engineering Company, Annandale, New Jersey08801, United States
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9
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Zhu X, Xie W, Wu J, Miao Y, Xiang C, Chen C, Ge B, Gan Z, Yang F, Zhang M, O'Hare D, Li J, Ge T, Wang R. Recent advances in direct air capture by adsorption. Chem Soc Rev 2022; 51:6574-6651. [PMID: 35815699 DOI: 10.1039/d1cs00970b] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Significant progress has been made in direct air capture (DAC) in recent years. Evidence suggests that the large-scale deployment of DAC by adsorption would be technically feasible for gigatons of CO2 capture annually. However, great efforts in adsorption-based DAC technologies are still required. This review provides an exhaustive description of materials development, adsorbent shaping, in situ characterization, adsorption mechanism simulation, process design, system integration, and techno-economic analysis of adsorption-based DAC over the past five years; and in terms of adsorbent development, affordable DAC adsorbents such as amine-containing porous materials with large CO2 adsorption capacities, fast kinetics, high selectivity, and long-term stability under ultra-low CO2 concentration and humid conditions. It is also critically important to develop efficient DAC adsorptive processes. Research and development in structured adsorbents that operate at low-temperature with excellent CO2 adsorption capacities and kinetics, novel gas-solid contactors with low heat and mass transfer resistances, and energy-efficient regeneration methods using heat, vacuum, and steam purge is needed to commercialize adsorption-based DAC. The synergy between DAC and carbon capture technologies for point sources can help in mitigating climate change effects in the long-term. Further investigations into DAC applications in the aviation, agriculture, energy, and chemical industries are required as well. This work benefits researchers concerned about global energy and environmental issues, and delivers perspective views for further deployment of negative-emission technologies.
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Affiliation(s)
- Xuancan Zhu
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Wenwen Xie
- Institute of Technical Thermodynamics, Karlsruhe Institute of Technology, 76131, Germany
| | - Junye Wu
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Yihe Miao
- China-UK Low Carbon College, Shanghai Jiao Tong University, No. 3 Yinlian Road, Shanghai 201306, China
| | - Chengjie Xiang
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Chunping Chen
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, UK
| | - Bingyao Ge
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Zhuozhen Gan
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Fan Yang
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Man Zhang
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Dermot O'Hare
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, UK
| | - Jia Li
- China-UK Low Carbon College, Shanghai Jiao Tong University, No. 3 Yinlian Road, Shanghai 201306, China.,Jiangmen Laboratory for Carbon and Climate Science and Technology, No. 29 Jinzhou Road, Jiangmen, 529100, China.,The Hong Kong University of Science and Technology (Guangzhou), No. 2 Huan Shi Road South, Nansha, Guangzhou, 511458, China
| | - Tianshu Ge
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Ruzhu Wang
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
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10
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Zick ME, Pugh SM, Lee JH, Forse AC, Milner PJ. Carbon Dioxide Capture at Nucleophilic Hydroxide Sites in Oxidation-Resistant Cyclodextrin-Based Metal-Organic Frameworks. Angew Chem Int Ed Engl 2022; 61:e202206718. [PMID: 35579908 DOI: 10.1002/anie.202206718] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Indexed: 01/13/2023]
Abstract
Carbon capture and sequestration (CCS) from industrial point sources and direct air capture are necessary to combat global climate change. A particular challenge faced by amine-based sorbents-the current leading technology-is poor stability towards O2 . Here, we demonstrate that CO2 chemisorption in γ-cylodextrin-based metal-organic frameworks (CD-MOFs) occurs via HCO3 - formation at nucleophilic OH- sites within the framework pores, rather than via previously proposed pathways. The new framework KHCO3 CD-MOF possesses rapid and high-capacity CO2 uptake, good thermal, oxidative, and cycling stabilities, and selective CO2 capture under mixed gas conditions. Because of its low cost and performance under realistic conditions, KHCO3 CD-MOF is a promising new platform for CCS. More broadly, our work demonstrates that the encapsulation of reactive OH- sites within a porous framework represents a potentially general strategy for the design of oxidation-resistant adsorbents for CO2 capture.
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Affiliation(s)
- Mary E Zick
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14850, USA
| | - Suzi M Pugh
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Jung-Hoon Lee
- Computational Science Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Alexander C Forse
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Phillip J Milner
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14850, USA
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11
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Kollias L, Rousseau R, Glezakou VA, Salvalaglio M. Understanding Metal-Organic Framework Nucleation from a Solution with Evolving Graphs. J Am Chem Soc 2022; 144:11099-11109. [PMID: 35709413 DOI: 10.1021/jacs.1c13508] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A mechanistic understanding of metal-organic framework (MOF) synthesis and scale-up remains underexplored due to the complex nature of the interactions of their building blocks. In this work, we investigate the collective assembly of building units at the early stages of MOF nucleation, using MIL-101(Cr) as a prototypical example. Using large-scale molecular dynamics simulations, we observe that the choice of solvent (water and N,N-dimethylformamide), the introduction of ions (Na+ and F-) and the relative populations of MIL-101(Cr) half-secondary building unit (half-SBU) isomers have a strong influence on the cluster formation process. Additionally, the shape, size, nucleation and growth rates, crystallinity, and short and long-range order largely vary depending on the synthesis conditions. We evaluate these properties as they naturally emerge when interpreting the self-assembly of MOF nuclei as the time evolution of an undirected graph. Solution-induced conformational complexity and ionic concentration have a dramatic effect on the morphology of clusters emerging during assembly. While pure solvents lead to the rapid formation of a small number of large clusters, the presence of ions in aqueous solutions results in smaller clusters and slower nucleation. This diversity is captured by the key features of the graph representation. Principle component analysis on graph properties reveals that only a small number of molecular descriptors is needed to deconvolute MOF self-assembly. Descriptors such as the average coordination number between half-SBUs and fractal dimension are of particulalr interest as they can be can be followed experimentally by techniques like by time-resolved spectroscopy. Ultimately, graph theory emerges as an approach that can be used to understand complex processes revealing molecular descriptors accessible by both simulation and experiment.
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Affiliation(s)
- Loukas Kollias
- Basic and Applied Molecular Foundations, Pacific Northwest National Laboratory, Richland, Washington 99352 United States
| | - Roger Rousseau
- Basic and Applied Molecular Foundations, Pacific Northwest National Laboratory, Richland, Washington 99352 United States
| | - Vassiliki-Alexandra Glezakou
- Basic and Applied Molecular Foundations, Pacific Northwest National Laboratory, Richland, Washington 99352 United States
| | - Matteo Salvalaglio
- Thomas Young Centre and Department of Chemical Engineering, University College London, London WC1E 7JE, United Kingdom
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12
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Zick ME, Pugh SM, Lee J, Forse AC, Milner PJ. Carbon Dioxide Capture at Nucleophilic Hydroxide Sites in Oxidation‐Resistant Cyclodextrin‐Based Metal–Organic Frameworks**. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Mary E. Zick
- Department of Chemistry and Chemical Biology Cornell University Ithaca NY 14850 USA
| | - Suzi M. Pugh
- Yusuf Hamied Department of Chemistry University of Cambridge Cambridge CB2 1EW UK
| | - Jung‐Hoon Lee
- Computational Science Research Center Korea Institute of Science and Technology (KIST) Seoul 02792 Republic of Korea
| | - Alexander C. Forse
- Yusuf Hamied Department of Chemistry University of Cambridge Cambridge CB2 1EW UK
| | - Phillip J. Milner
- Department of Chemistry and Chemical Biology Cornell University Ithaca NY 14850 USA
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13
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Kim DW, Kang DW, Kang M, Choi DS, Yun H, Kim SY, Lee SM, Lee JH, Hong CS. High Gravimetric and Volumetric Ammonia Capacities in Robust Metal-Organic Frameworks Prepared via Double Postsynthetic Modification. J Am Chem Soc 2022; 144:9672-9683. [PMID: 35608536 DOI: 10.1021/jacs.2c01117] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Ammonia is a promising energy vector that can store the high energy density of hydrogen. For this reason, numerous adsorbents have been investigated as ammonia storage materials, but ammonia adsorbents with a high gravimetric/volumetric ammonia capacity that can be simultaneously regenerated in an energy-efficient manner remain underdeveloped, which hampers their practical implementation. Herein, we report Ni_acryl_TMA (TMA = thiomallic acid), an acidic group-functionalized metal-organic framework prepared via successive postsynthetic modifications of mesoporous Ni2Cl2BTDD (BTDD = bis(1H-1,2,3,-triazolo [4,5-b],-[4',5'-i]) dibenzo[1,4]dioxin). By virtue of the densely located acid groups, Ni_acryl_TMA exhibited a top-tier gravimetric ammonia capacity of 23.5 mmol g-1 and the highest ammonia storage of 0.39 g cm-3 at 1 bar and 298 K. The structural integrity and ammonia storage capacity of Ni_acryl_TMA were maintained after ammonia adsorption-desorption tests over five cycles. Temperature-programmed desorption analysis revealed that the moderate strength of the interaction between the functional groups and ammonia significantly reduced the desorption temperature compared to that of the pristine framework with open metal sites. The structures of the postsynthetic modified analogues were elucidated based on Pawley/Rietveld refinement of the synchrotron powder X-ray diffraction patterns and van der Waals (vdW)-corrected density functional theory (DFT) calculations. Furthermore, the ammonia adsorption mechanism was investigated via in situ infrared and vdW-corrected DFT calculations, revealing an atypical guest-induced binding mode transformation of the integrated carboxylate. Dynamic breakthrough tests showed that Ni_acryl_TMA can selectively capture traces of ammonia under both dry and wet conditions (80% relative humidity). These results demonstrate that Ni_acryl_TMA is a superior ammonia storage/capture material.
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Affiliation(s)
- Dae Won Kim
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Dong Won Kang
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Minjung Kang
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Doo San Choi
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Hongryeol Yun
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Sun Young Kim
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Su Min Lee
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Jung-Hoon Lee
- Computational Science Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Chang Seop Hong
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
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14
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Wang X, Zeng W, Xin C, Kong X, Hu X, Guo Q. The development of activated carbon from corncob for CO 2 capture. RSC Adv 2022; 12:33069-33078. [DOI: 10.1039/d2ra05979g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/02/2022] [Indexed: 11/19/2022] Open
Abstract
The accumulation and incineration of crop waste pollutes the environment and releases a large amount of CO2.
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Affiliation(s)
- Xia Wang
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, Shandong, China
| | - Wulan Zeng
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, Shandong, China
| | - Chunling Xin
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, Shandong, China
| | - Xiangjun Kong
- Department of Chemistry and Chemical Engineering, Weifang University, Weifang 261061, Shandong, China
| | - Xiude Hu
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, China
| | - Qingjie Guo
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, China
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15
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Custelcean R. Direct air capture of CO 2 via crystal engineering. Chem Sci 2021; 12:12518-12528. [PMID: 34703538 PMCID: PMC8494026 DOI: 10.1039/d1sc04097a] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 09/12/2021] [Indexed: 12/21/2022] Open
Abstract
This article presents a perspective view of the topic of direct air capture (DAC) of carbon dioxide and its role in mitigating climate change, focusing on a promising approach to DAC involving crystal engineering of metal-organic and hydrogen-bonded frameworks. The structures of these crystalline materials can be easily elucidated using X-ray and neutron diffraction methods, thereby allowing for systematic structure-property relationships studies, and precise tuning of their DAC performance.
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Affiliation(s)
- Radu Custelcean
- Chemical Sciences Division, Oak Ridge National Laboratory Oak Ridge TN 37831 USA
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16
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Dinakar B, Forse AC, Jiang HZH, Zhu Z, Lee JH, Kim EJ, Parker ST, Pollak CJ, Siegelman RL, Milner PJ, Reimer JA, Long JR. Overcoming Metastable CO 2 Adsorption in a Bulky Diamine-Appended Metal-Organic Framework. J Am Chem Soc 2021; 143:15258-15270. [PMID: 34491725 PMCID: PMC11045294 DOI: 10.1021/jacs.1c06434] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Carbon capture at fossil fuel-fired power plants is a critical strategy to mitigate anthropogenic contributions to global warming, but widespread deployment of this technology is hindered by a lack of energy-efficient materials that can be optimized for CO2 capture from a specific flue gas. As a result of their tunable, step-shaped CO2 adsorption profiles, diamine-functionalized metal-organic frameworks (MOFs) of the form diamine-Mg2(dobpdc) (dobpdc4- = 4,4'-dioxidobiphenyl-3,3'-dicarboxylate) are among the most promising materials for carbon capture applications. Here, we present a detailed investigation of dmen-Mg2(dobpdc) (dmen = 1,2-diamino-2-methylpropane), one of only two MOFs with an adsorption step near the optimal pressure for CO2 capture from coal flue gas. While prior characterization suggested that this material only adsorbs CO2 to half capacity (0.5 CO2 per diamine) at 1 bar, we show that the half-capacity state is actually a metastable intermediate. Under appropriate conditions, the MOF adsorbs CO2 to full capacity, but conversion from the half-capacity structure happens on a very slow time scale, rendering it inaccessible in traditional adsorption measurements. Data from solid-state magic angle spinning nuclear magnetic resonance spectroscopy, coupled with van der Waals-corrected density functional theory, indicate that ammonium carbamate chains formed at half capacity and full capacity adopt opposing configurations, and the need to convert between these states likely dictates the sluggish post-half-capacity uptake. By use of the more symmetric parent framework Mg2(pc-dobpdc) (pc-dobpdc4- = 3,3'-dioxidobiphenyl-4,4'-dicarboxylate), the metastable trap can be avoided and the full CO2 capacity of dmen-Mg2(pc-dobpdc) accessed under conditions relevant for carbon capture from coal-fired power plants.
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Affiliation(s)
- Bhavish Dinakar
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Alexander C. Forse
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, U.K
| | - Henry Z. H. Jiang
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Ziting Zhu
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Department of Materials Science and Engineering, University of California, Berkeley, California 94720, United States
| | - Jung-Hoon Lee
- Computational Science Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Eugene J. Kim
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Surya T. Parker
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Connor J. Pollak
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States
| | - Rebecca L. Siegelman
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Phillip J. Milner
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Jeffrey A. Reimer
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Jeffrey R. Long
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Department of Chemistry, University of California, Berkeley, California 94720, United States
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17
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Barnett BR, Evans HA, Su GM, Jiang HZH, Chakraborty R, Banyeretse D, Hartman TJ, Martinez MB, Trump BA, Tarver JD, Dods MN, Funke LM, Börgel J, Reimer JA, Drisdell WS, Hurst KE, Gennett T, FitzGerald SA, Brown CM, Head-Gordon M, Long JR. Observation of an Intermediate to H 2 Binding in a Metal-Organic Framework. J Am Chem Soc 2021; 143:14884-14894. [PMID: 34463495 DOI: 10.1021/jacs.1c07223] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Coordinatively unsaturated metal sites within certain zeolites and metal-organic frameworks can strongly adsorb a wide array of substrates. While many classical examples involve electron-poor metal cations that interact with adsorbates largely through physical interactions, unsaturated electron-rich metal centers housed within porous frameworks can often chemisorb guests amenable to redox activity or covalent bond formation. Despite the promise that materials bearing such sites hold in addressing myriad challenges in gas separations and storage, very few studies have directly interrogated mechanisms of chemisorption at open metal sites within porous frameworks. Here, we show that nondissociative chemisorption of H2 at the trigonal pyramidal Cu+ sites in the metal-organic framework CuI-MFU-4l occurs via the intermediacy of a metastable physisorbed precursor species. In situ powder neutron diffraction experiments enable crystallographic characterization of this intermediate, the first time that this has been accomplished for any material. Evidence for a precursor intermediate is also afforded from temperature-programmed desorption and density functional theory calculations. The activation barrier separating the precursor species from the chemisorbed state is shown to correlate with a change in the Cu+ coordination environment that enhances π-backbonding with H2. Ultimately, these findings demonstrate that adsorption at framework metal sites does not always follow a concerted pathway and underscore the importance of probing kinetics in the design of next-generation adsorbents.
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Affiliation(s)
- Brandon R Barnett
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States.,Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Hayden A Evans
- Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Gregory M Su
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Henry Z H Jiang
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States.,Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Romit Chakraborty
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States.,Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Didier Banyeretse
- Department of Physics, Oberlin College, Oberlin, Ohio 44074, United States
| | - Tyler J Hartman
- Department of Physics, Oberlin College, Oberlin, Ohio 44074, United States
| | - Madison B Martinez
- Chemistry & Nanoscience Center, National Renewable Energy Laboratory, Golden, Colorado 80401, United States
| | - Benjamin A Trump
- Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Jacob D Tarver
- Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Matthew N Dods
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, California 94720, United States
| | - Lena M Funke
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States.,Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, California 94720, United States
| | - Jonas Börgel
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - Jeffrey A Reimer
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States.,Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, California 94720, United States
| | - Walter S Drisdell
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Katherine E Hurst
- Chemistry & Nanoscience Center, National Renewable Energy Laboratory, Golden, Colorado 80401, United States
| | - Thomas Gennett
- Chemistry & Nanoscience Center, National Renewable Energy Laboratory, Golden, Colorado 80401, United States.,Department of Chemistry, Colorado School of Mines, Golden, Colorado 80401, United States
| | | | - Craig M Brown
- Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States.,Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Martin Head-Gordon
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States.,Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Jeffrey R Long
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States.,Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States.,Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, California 94720, United States
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18
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Anila S, Suresh CH. Guanidine as a strong CO 2 adsorbent: a DFT study on cooperative CO 2 adsorption. Phys Chem Chem Phys 2021; 23:13662-13671. [PMID: 34121106 DOI: 10.1039/d1cp00754h] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Among the various carbon capture and storage (CCS) technologies, the direct air capture (DAC) of CO2 by engineered chemical reactions on suitable adsorbents has attained more attention in recent times. Guanidine (G) is one of such promising adsorbent molecules for CO2 capture. Recently Lee et al. (Phys. Chem. Chem. Phys., 2015, 17, 10925-10933) reported an interaction energy (ΔE) of -5.5 kcal mol-1 for the GCO2 complex at the CCSD(T)/CBS level, which was one of the best non-covalent interactions observed for CO2 among several functional molecules. Here we show that the non-covalent GCO2 complex can transform to a strongly interacting G-CO2 covalent complex under the influence of multiple molecules of G and CO2. The study, conducted at M06-2X/6-311++G** level density functional theory, shows ΔE = -5.7 kcal mol-1 for GCO2 with an NC distance of 2.688 Å while almost a five-fold increase in ΔE (-27.5 kcal mol-1) is observed for the (G-CO2)8 cluster wherein the N-C distance is 1.444 Å. All the (G-CO2)n clusters (n = 2-10) show a strong N-CO2 covalent interaction with the N-C distance gradually decreasing from 1.479 Å for n = 2 to 1.444 Å for n = 8 ≅ 9, 10. The N-CO2 bonding gives (G+)-(CO2-) zwitterion character for G-CO2 and the charge-separated units preferred a cyclic arrangement in (G-CO2)n clusters due to the support of three strong intermolecular OHN hydrogen bonds from every CO2. The OHN interaction is also enhanced with an increase in the size of the cluster up to n = 8. The high ΔE is attributed to the large cooperativity associated with the N-CO2 and OHN interactions. The quantum theory of atoms in molecules (QTAIM) analysis confirms the nature and strength of such interactions, and finds that the total interaction energy is directly related to the sum of the electron density at the bond critical points of N-CO2 and OHN interactions. Further, molecular electrostatic potential analysis shows that the cyclic cluster is stabilized due to the delocalization of charges accumulated on the (G+)-(CO2-) zwitterion via multiple OHN interactions. The cyclic (G-CO2)n cluster formation is a highly exergonic process, which reveals the high CO2 adsorption capability of guanidine.
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Affiliation(s)
- Sebastian Anila
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, Kerala 695 019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Cherumuttathu H Suresh
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, Kerala 695 019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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19
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Ju SE, Choe JH, Kang M, Kang DW, Kim H, Lee JH, Hong CS. Understanding Correlation Between CO 2 Insertion Mechanism and Chain Length of Diamine in Metal-Organic Framework Adsorbents. CHEMSUSCHEM 2021; 14:2426-2433. [PMID: 33871138 DOI: 10.1002/cssc.202100582] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/16/2021] [Indexed: 06/12/2023]
Abstract
Although CO2 insertion is a predominant phenomenon in diamine-functionalized Mg2 (dobpdc) (dobpdc4- =4,4-dioxidobiphenyl-3,3'-dicarboxylate) adsorbents, a high-performance metal-organic framework for capturing CO2 , the fundamental function of the diamine carbon chain length in the mechanism remains unclear. Here, Mg2 (dobpdc) systems with open metal sites grafted by primary diamines NH2 -(CH2 )n -NH2 were developed, with en (n=2), pn (n=3), bn (n=4), pen (n=5), hn (n=6), and on (n=8). Based on CO2 adsorption and IR results, CO2 insertion is involved in frameworks with n=2 and 3 but not in systems with n≥5. According to NMR data, bn-appended Mg2 (dobpdc) exhibited three different chemical environments of carbamate units, attributed to different relative conformations of carbon chains upon CO2 insertion, as validated by first-principles density functional theory (DFT) calculations. For 1-hn and 1-on, DFT calculations indicated that diamine inter-coordinated open metal sites in adjacent chains bridged by carboxylates and phenoxides of dobpdc4- . Computed CO2 binding enthalpies for CO2 insertion (-27.8 kJ mol-1 for 1-hn and -20.2 kJ mol-1 for 1-on) were comparable to those for CO2 physisorption (-19.3 kJ mol-1 for 1-hn and -20.8 kJ mol-1 for 1-on). This suggests that CO2 insertion is likely to compete with CO2 physisorption on diamines of the framework when n≥5.
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Affiliation(s)
- Susan E Ju
- Department of Chemistry, Korea University, Seoul, 136-713, Republic of Korea
| | - Jong Hyeak Choe
- Department of Chemistry, Korea University, Seoul, 136-713, Republic of Korea
| | - Minjung Kang
- Department of Chemistry, Korea University, Seoul, 136-713, Republic of Korea
| | - Dong Won Kang
- Department of Chemistry, Korea University, Seoul, 136-713, Republic of Korea
| | - Hyojin Kim
- Department of Chemistry, Korea University, Seoul, 136-713, Republic of Korea
| | - Jung-Hoon Lee
- Computational Science Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Chang Seop Hong
- Department of Chemistry, Korea University, Seoul, 136-713, Republic of Korea
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20
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Abstract
Carbon capture and sequestration is necessary to tackle one of the biggest problems facing society: global climate change resulting from anthropogenic carbon dioxide (CO2) emissions. Despite this pressing need, we still rely on century-old technology-aqueous amine scrubbers-to selectively remove CO2 from emission streams. Amine scrubbers are effective due to their exquisite chemoselectivity towards CO2 to form ammonium carbamates and (bi)carbonates, but suffer from several unavoidable limitations. In this perspective, we highlight the need for CO2 capture via new chemistry that goes beyond the traditional formation of ammonium carbamates. In particular, we demonstrate how ionic liquid and metal-organic framework sorbents can give rise to capture products that are not favourable for aqueous amines, including carbamic acids, carbamate-carbamic acid adducts, metal bicarbonates, alkyl carbonates, and carbonic acids. These new CO2 binding modes may offer advantages including higher sorption capacities and lower regeneration energies, though additional research is needed to fully explore their utility for practical applications. Overall, we outline the unique challenges and opportunities involved in engineering new CO2 capture chemistry into next-generation technologies.
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Affiliation(s)
- Alexander C Forse
- Department of Chemistry, University of Cambridge Cambridge CB2 1EW UK
| | - Phillip J Milner
- Department of Chemistry and Chemical Biology, Cornell University Ithaca New York 14853 USA
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