Straightforward construction of hollow polyoxometalate-based metal-organic framework via pseudo-homoepitaxial growth
Hollow structures are significant for shortening diffusion path and promoting active center exposure. Single-crystalline hollow polyoxometalate-based metal-organic frameworks (POM@MOFs) with increased adsorption performance and catalytic activity were synthesized through a straightforward pseudo-hom...
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| Veröffentlicht in: | Science China. Chemistry 2022-10, Vol.65 (10), p.1921-1928 |
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| container_end_page | 1928 |
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| container_issue | 10 |
| container_start_page | 1921 |
| container_title | Science China. Chemistry |
| container_volume | 65 |
| creator | Zhang, Zhong Ma, Xujiao Han, Xu Cui, Hong Lu, Ying Liu, Shuxia Liu, Yiwei |
| description | Hollow structures are significant for shortening diffusion path and promoting active center exposure. Single-crystalline hollow polyoxometalate-based metal-organic frameworks (POM@MOFs) with increased adsorption performance and catalytic activity were synthesized through a straightforward pseudo-homoepitaxial growth strategy within only 1.5 min. The strategy ingeniously exploits favorable characteristics of well-matched lattice/structure but acid stability difference between MOF and POM@MOF to construct a pseudo-homoepitaxial structure. Specifically, the MOF single crystals are used as seeds to perform epitaxial growth of the lattice/structure-matched POM@MOF under appropriate conditions. Interestingly, the MOF seeds collapse spontaneously during epitaxial growth, affording regular hollow POM@MOF single crystals. Because the acid stability of the POM@MOF is much higher than that of the MOF, it is speculated that the hollow structure formation may be related to the acid released from the epitaxial POM@MOF growth. And the pseudo-homoepitaxial POM@MOF growth strategy based on structural matching but stability difference avoids additional template removal process in conventional hollow MOF preparation and ensures hollow single crystal construction. |
| doi_str_mv | 10.1007/s11426-022-1295-3 |
| format | Article |
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Single-crystalline hollow polyoxometalate-based metal-organic frameworks (POM@MOFs) with increased adsorption performance and catalytic activity were synthesized through a straightforward pseudo-homoepitaxial growth strategy within only 1.5 min. The strategy ingeniously exploits favorable characteristics of well-matched lattice/structure but acid stability difference between MOF and POM@MOF to construct a pseudo-homoepitaxial structure. Specifically, the MOF single crystals are used as seeds to perform epitaxial growth of the lattice/structure-matched POM@MOF under appropriate conditions. Interestingly, the MOF seeds collapse spontaneously during epitaxial growth, affording regular hollow POM@MOF single crystals. Because the acid stability of the POM@MOF is much higher than that of the MOF, it is speculated that the hollow structure formation may be related to the acid released from the epitaxial POM@MOF growth. And the pseudo-homoepitaxial POM@MOF growth strategy based on structural matching but stability difference avoids additional template removal process in conventional hollow MOF preparation and ensures hollow single crystal construction.</description><identifier>ISSN: 1674-7291</identifier><identifier>EISSN: 1869-1870</identifier><identifier>DOI: 10.1007/s11426-022-1295-3</identifier><language>eng</language><publisher>Beijing: Science China Press</publisher><subject>Catalytic activity ; Chemical synthesis ; Chemistry ; Chemistry and Materials Science ; Chemistry/Food Science ; Crystal lattices ; Epitaxial growth ; Lattice matching ; Metal-organic frameworks ; Polyoxometallates ; Single crystals ; Structural stability</subject><ispartof>Science China. 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Chemistry</title><addtitle>Sci. China Chem</addtitle><description>Hollow structures are significant for shortening diffusion path and promoting active center exposure. Single-crystalline hollow polyoxometalate-based metal-organic frameworks (POM@MOFs) with increased adsorption performance and catalytic activity were synthesized through a straightforward pseudo-homoepitaxial growth strategy within only 1.5 min. The strategy ingeniously exploits favorable characteristics of well-matched lattice/structure but acid stability difference between MOF and POM@MOF to construct a pseudo-homoepitaxial structure. Specifically, the MOF single crystals are used as seeds to perform epitaxial growth of the lattice/structure-matched POM@MOF under appropriate conditions. Interestingly, the MOF seeds collapse spontaneously during epitaxial growth, affording regular hollow POM@MOF single crystals. Because the acid stability of the POM@MOF is much higher than that of the MOF, it is speculated that the hollow structure formation may be related to the acid released from the epitaxial POM@MOF growth. And the pseudo-homoepitaxial POM@MOF growth strategy based on structural matching but stability difference avoids additional template removal process in conventional hollow MOF preparation and ensures hollow single crystal construction.</description><subject>Catalytic activity</subject><subject>Chemical synthesis</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Chemistry/Food Science</subject><subject>Crystal lattices</subject><subject>Epitaxial growth</subject><subject>Lattice matching</subject><subject>Metal-organic frameworks</subject><subject>Polyoxometallates</subject><subject>Single crystals</subject><subject>Structural stability</subject><issn>1674-7291</issn><issn>1869-1870</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kE1LAzEQhhdRULQ_wFvAczSTpMnuUcQvKHhQzyGbTdqt2501SW37791awZNzmRl4P-Apiktg18CYvkkAkivKOKfAqykVR8UZlKqiUGp2PN5KS6p5BafFJKUlG0cIxvX0rMivOdp2vsgB48bGhjjsU45rl1vsCQaywK7DDRmw2-EWVz7bzmZPa5t8Q35einFu-9aREO3KbzB-kK_WkiH5dYN0gSv0Q5vttrUdmUfc5MVFcRJsl_zkd58X7w_3b3dPdPby-Hx3O6NOgMo0gGcN594pKblmvBKK-xJkLWpValU3FoSQTgKzCpyzWlVayhCUtrVvghPnxdUhd4j4ufYpmyWuYz9WmhFGqWQlAEYVHFQuYkrRBzPEdmXjzgAze77mwNeMfM2erxGjhx88adT2cx__kv83fQNYC4CA</recordid><startdate>20221001</startdate><enddate>20221001</enddate><creator>Zhang, Zhong</creator><creator>Ma, Xujiao</creator><creator>Han, Xu</creator><creator>Cui, Hong</creator><creator>Lu, Ying</creator><creator>Liu, Shuxia</creator><creator>Liu, Yiwei</creator><general>Science China Press</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7XB</scope><scope>88I</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>M2P</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope></search><sort><creationdate>20221001</creationdate><title>Straightforward construction of hollow polyoxometalate-based metal-organic framework via pseudo-homoepitaxial growth</title><author>Zhang, Zhong ; 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Chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Zhong</au><au>Ma, Xujiao</au><au>Han, Xu</au><au>Cui, Hong</au><au>Lu, Ying</au><au>Liu, Shuxia</au><au>Liu, Yiwei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Straightforward construction of hollow polyoxometalate-based metal-organic framework via pseudo-homoepitaxial growth</atitle><jtitle>Science China. Chemistry</jtitle><stitle>Sci. China Chem</stitle><date>2022-10-01</date><risdate>2022</risdate><volume>65</volume><issue>10</issue><spage>1921</spage><epage>1928</epage><pages>1921-1928</pages><issn>1674-7291</issn><eissn>1869-1870</eissn><abstract>Hollow structures are significant for shortening diffusion path and promoting active center exposure. Single-crystalline hollow polyoxometalate-based metal-organic frameworks (POM@MOFs) with increased adsorption performance and catalytic activity were synthesized through a straightforward pseudo-homoepitaxial growth strategy within only 1.5 min. The strategy ingeniously exploits favorable characteristics of well-matched lattice/structure but acid stability difference between MOF and POM@MOF to construct a pseudo-homoepitaxial structure. Specifically, the MOF single crystals are used as seeds to perform epitaxial growth of the lattice/structure-matched POM@MOF under appropriate conditions. Interestingly, the MOF seeds collapse spontaneously during epitaxial growth, affording regular hollow POM@MOF single crystals. Because the acid stability of the POM@MOF is much higher than that of the MOF, it is speculated that the hollow structure formation may be related to the acid released from the epitaxial POM@MOF growth. And the pseudo-homoepitaxial POM@MOF growth strategy based on structural matching but stability difference avoids additional template removal process in conventional hollow MOF preparation and ensures hollow single crystal construction.</abstract><cop>Beijing</cop><pub>Science China Press</pub><doi>10.1007/s11426-022-1295-3</doi><tpages>8</tpages></addata></record> |
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| subjects | Catalytic activity Chemical synthesis Chemistry Chemistry and Materials Science Chemistry/Food Science Crystal lattices Epitaxial growth Lattice matching Metal-organic frameworks Polyoxometallates Single crystals Structural stability |
| title | Straightforward construction of hollow polyoxometalate-based metal-organic framework via pseudo-homoepitaxial growth |
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