Fine-tuning the pore structure of metal-organic frameworks by linker substitution for enhanced hydrogen storage and gas separation
The modification of metal-organic frameworks (MOFs) by functionalizing ligands has been investigated for improved properties. In this study, by introducing substituents to the backbone of organic linkers, isostructural dihydroxy-/dialkoxy-functionalized Zr-MOFs were delicately constructed and sophis...
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| Veröffentlicht in: | CrystEngComm 2021-04, Vol.23 (16), p.326-332 |
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| creator | Han, Xiwei Yang, Xiaoxian Yu, Chuan Lu, Shuyan Pouya, Ehsan Sadeghi Bai, Peng Lyu, Jiafei Guo, Xianghai |
| description | The modification of metal-organic frameworks (MOFs) by functionalizing ligands has been investigated for improved properties. In this study, by introducing substituents to the backbone of organic linkers, isostructural dihydroxy-/dialkoxy-functionalized Zr-MOFs were delicately constructed and sophisticatedly characterized for crystallinity, morphology, porosity and structural defects. Pure-component CO
2
, CH
4
, N
2
, and H
2
adsorption isotherms on the microporous synthesized materials were investigated under the pressure up to 10 MPa at 303 K. By the ideal adsorbed solution theory (IAST) model, enhanced adsorption selectivity towards CO
2
/N
2
, CO
2
/CH
4
, CH
4
/N
2
and CO
2
/H
2
binary mixtures was observed compared to the parent material, and dihydroxy functionalization endows the material with high selectivity towards CO
2
/H
2
. Moreover, the diethoxy-functionalized material with narrow cavities exhibits improved high pressure H
2
adsorption due to structural defects and strong overlapping potentials.
The functionalized Zr-MOFs with narrowed cavities and exposed sites exhibit improved H
2
storage and adsorption selectivity towards binary mixtures. |
| doi_str_mv | 10.1039/d1ce00087j |
| format | Article |
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2
, CH
4
, N
2
, and H
2
adsorption isotherms on the microporous synthesized materials were investigated under the pressure up to 10 MPa at 303 K. By the ideal adsorbed solution theory (IAST) model, enhanced adsorption selectivity towards CO
2
/N
2
, CO
2
/CH
4
, CH
4
/N
2
and CO
2
/H
2
binary mixtures was observed compared to the parent material, and dihydroxy functionalization endows the material with high selectivity towards CO
2
/H
2
. Moreover, the diethoxy-functionalized material with narrow cavities exhibits improved high pressure H
2
adsorption due to structural defects and strong overlapping potentials.
The functionalized Zr-MOFs with narrowed cavities and exposed sites exhibit improved H
2
storage and adsorption selectivity towards binary mixtures.</description><identifier>ISSN: 1466-8033</identifier><identifier>EISSN: 1466-8033</identifier><identifier>DOI: 10.1039/d1ce00087j</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Adsorption ; Binary mixtures ; Carbon dioxide ; Crystal defects ; Gas separation ; Hydrogen storage ; Ligands ; Metal-organic frameworks ; Methane ; Morphology ; NMR ; Nuclear magnetic resonance ; Porosity ; Selectivity ; Zirconium</subject><ispartof>CrystEngComm, 2021-04, Vol.23 (16), p.326-332</ispartof><rights>Copyright Royal Society of Chemistry 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c318t-7416289b6a59acbbeb9d69621a3a27f2402eb04f385964cedb478f66ac1d56993</citedby><cites>FETCH-LOGICAL-c318t-7416289b6a59acbbeb9d69621a3a27f2402eb04f385964cedb478f66ac1d56993</cites><orcidid>0000-0003-4655-3156 ; 0000-0002-1519-4050 ; 0000-0003-3501-1060</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Han, Xiwei</creatorcontrib><creatorcontrib>Yang, Xiaoxian</creatorcontrib><creatorcontrib>Yu, Chuan</creatorcontrib><creatorcontrib>Lu, Shuyan</creatorcontrib><creatorcontrib>Pouya, Ehsan Sadeghi</creatorcontrib><creatorcontrib>Bai, Peng</creatorcontrib><creatorcontrib>Lyu, Jiafei</creatorcontrib><creatorcontrib>Guo, Xianghai</creatorcontrib><title>Fine-tuning the pore structure of metal-organic frameworks by linker substitution for enhanced hydrogen storage and gas separation</title><title>CrystEngComm</title><description>The modification of metal-organic frameworks (MOFs) by functionalizing ligands has been investigated for improved properties. In this study, by introducing substituents to the backbone of organic linkers, isostructural dihydroxy-/dialkoxy-functionalized Zr-MOFs were delicately constructed and sophisticatedly characterized for crystallinity, morphology, porosity and structural defects. Pure-component CO
2
, CH
4
, N
2
, and H
2
adsorption isotherms on the microporous synthesized materials were investigated under the pressure up to 10 MPa at 303 K. By the ideal adsorbed solution theory (IAST) model, enhanced adsorption selectivity towards CO
2
/N
2
, CO
2
/CH
4
, CH
4
/N
2
and CO
2
/H
2
binary mixtures was observed compared to the parent material, and dihydroxy functionalization endows the material with high selectivity towards CO
2
/H
2
. Moreover, the diethoxy-functionalized material with narrow cavities exhibits improved high pressure H
2
adsorption due to structural defects and strong overlapping potentials.
The functionalized Zr-MOFs with narrowed cavities and exposed sites exhibit improved H
2
storage and adsorption selectivity towards binary mixtures.</description><subject>Adsorption</subject><subject>Binary mixtures</subject><subject>Carbon dioxide</subject><subject>Crystal defects</subject><subject>Gas separation</subject><subject>Hydrogen storage</subject><subject>Ligands</subject><subject>Metal-organic frameworks</subject><subject>Methane</subject><subject>Morphology</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Porosity</subject><subject>Selectivity</subject><subject>Zirconium</subject><issn>1466-8033</issn><issn>1466-8033</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNpNkUtPwzAQhC0EEuVx4Y5kiRtSwBsnbnJEpeWhSlzgHDnOJk0fdlg7Qr3yy0kpAk47h29npBnGLkDcgJD5bQUGhRDZeHnARpAoFWVCysN_-pideL8UAhIAMWKfs9ZiFHrb2oaHBfLOEXIfqDehH5Sr-QaDXkeOGm1bw2vSG_xwtPK83PJ1a1dI3PelD23oQ-ssrx1xtAttDVZ8sa3INWgHS0e6Qa5txRvtucdOk949nLGjWq89nv_cU_Y2m75OHqP5y8PT5G4eGQlZiMYJqDjLS6XTXJuyxDKvVK5i0FLH4zpORIylSGqZpblKhuwyGWe1UtpAlao8l6fsau_bkXvv0Ydi6XqyQ2QRp5BBKgDUQF3vKUPOe8K66KjdaNoWIIpdx8U9TKbfHT8P8OUeJm9-ub8N5Beaunsl</recordid><startdate>20210428</startdate><enddate>20210428</enddate><creator>Han, Xiwei</creator><creator>Yang, Xiaoxian</creator><creator>Yu, Chuan</creator><creator>Lu, Shuyan</creator><creator>Pouya, Ehsan Sadeghi</creator><creator>Bai, Peng</creator><creator>Lyu, Jiafei</creator><creator>Guo, Xianghai</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-4655-3156</orcidid><orcidid>https://orcid.org/0000-0002-1519-4050</orcidid><orcidid>https://orcid.org/0000-0003-3501-1060</orcidid></search><sort><creationdate>20210428</creationdate><title>Fine-tuning the pore structure of metal-organic frameworks by linker substitution for enhanced hydrogen storage and gas separation</title><author>Han, Xiwei ; Yang, Xiaoxian ; Yu, Chuan ; Lu, Shuyan ; Pouya, Ehsan Sadeghi ; Bai, Peng ; Lyu, Jiafei ; Guo, Xianghai</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c318t-7416289b6a59acbbeb9d69621a3a27f2402eb04f385964cedb478f66ac1d56993</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adsorption</topic><topic>Binary mixtures</topic><topic>Carbon dioxide</topic><topic>Crystal defects</topic><topic>Gas separation</topic><topic>Hydrogen storage</topic><topic>Ligands</topic><topic>Metal-organic frameworks</topic><topic>Methane</topic><topic>Morphology</topic><topic>NMR</topic><topic>Nuclear magnetic resonance</topic><topic>Porosity</topic><topic>Selectivity</topic><topic>Zirconium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Han, Xiwei</creatorcontrib><creatorcontrib>Yang, Xiaoxian</creatorcontrib><creatorcontrib>Yu, Chuan</creatorcontrib><creatorcontrib>Lu, Shuyan</creatorcontrib><creatorcontrib>Pouya, Ehsan Sadeghi</creatorcontrib><creatorcontrib>Bai, Peng</creatorcontrib><creatorcontrib>Lyu, Jiafei</creatorcontrib><creatorcontrib>Guo, Xianghai</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>CrystEngComm</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Han, Xiwei</au><au>Yang, Xiaoxian</au><au>Yu, Chuan</au><au>Lu, Shuyan</au><au>Pouya, Ehsan Sadeghi</au><au>Bai, Peng</au><au>Lyu, Jiafei</au><au>Guo, Xianghai</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fine-tuning the pore structure of metal-organic frameworks by linker substitution for enhanced hydrogen storage and gas separation</atitle><jtitle>CrystEngComm</jtitle><date>2021-04-28</date><risdate>2021</risdate><volume>23</volume><issue>16</issue><spage>326</spage><epage>332</epage><pages>326-332</pages><issn>1466-8033</issn><eissn>1466-8033</eissn><abstract>The modification of metal-organic frameworks (MOFs) by functionalizing ligands has been investigated for improved properties. In this study, by introducing substituents to the backbone of organic linkers, isostructural dihydroxy-/dialkoxy-functionalized Zr-MOFs were delicately constructed and sophisticatedly characterized for crystallinity, morphology, porosity and structural defects. Pure-component CO
2
, CH
4
, N
2
, and H
2
adsorption isotherms on the microporous synthesized materials were investigated under the pressure up to 10 MPa at 303 K. By the ideal adsorbed solution theory (IAST) model, enhanced adsorption selectivity towards CO
2
/N
2
, CO
2
/CH
4
, CH
4
/N
2
and CO
2
/H
2
binary mixtures was observed compared to the parent material, and dihydroxy functionalization endows the material with high selectivity towards CO
2
/H
2
. Moreover, the diethoxy-functionalized material with narrow cavities exhibits improved high pressure H
2
adsorption due to structural defects and strong overlapping potentials.
The functionalized Zr-MOFs with narrowed cavities and exposed sites exhibit improved H
2
storage and adsorption selectivity towards binary mixtures.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d1ce00087j</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0003-4655-3156</orcidid><orcidid>https://orcid.org/0000-0002-1519-4050</orcidid><orcidid>https://orcid.org/0000-0003-3501-1060</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1466-8033 |
| ispartof | CrystEngComm, 2021-04, Vol.23 (16), p.326-332 |
| issn | 1466-8033 1466-8033 |
| language | eng |
| recordid | cdi_crossref_primary_10_1039_D1CE00087J |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Adsorption Binary mixtures Carbon dioxide Crystal defects Gas separation Hydrogen storage Ligands Metal-organic frameworks Methane Morphology NMR Nuclear magnetic resonance Porosity Selectivity Zirconium |
| title | Fine-tuning the pore structure of metal-organic frameworks by linker substitution for enhanced hydrogen storage and gas separation |
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