Aliphatic chain grafted polypyrrole as a precursor of carbon membrane
[Display omitted] ► The potential of conducting polymer as a carbon membrane precursor was explored. ► Grafting aliphatic chains to polypyrrole assure a defect-free carbon membrane. ► Effects of fabrication details on the porous feature of the carbon membranes. ► Gas permeation testing demonstrates...
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Veröffentlicht in: | Journal of membrane science 2011-09, Vol.379 (1), p.353-360 |
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creator | Chen, Xinwei Hong, Liang Chen, Xinling Yeong, Wen Hao Au Chan, Wan Ki Isabel |
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► The potential of conducting polymer as a carbon membrane precursor was explored. ► Grafting aliphatic chains to polypyrrole assure a defect-free carbon membrane. ► Effects of fabrication details on the porous feature of the carbon membranes. ► Gas permeation testing demonstrates realization of a meso-porous carbon matrix.
Electrically conducting polymers are generally considered as unsuitable precursor for the synthesis of carbon membrane because defects always emerge in the carbon matrixes generated from the pyrolysis of these polymers. However, the conjugated chain structure of this type of polymers permits a high conversion of carbon to graphenes. We found that grafting of dodecylbenzene sulfonic acid (DBSA) chains to the conjugated backbone of polypyrrole (PPy) can effectively halt mudcracks from developing in the carbon matrix. The DBSA side chains impede strong association of the conjugated PPy molecular segments since the root cause of mudcracks is the stacking of PPy segments. A uniform and microcrack-free carbon membrane (3–5
μm thick) was achieved on a porous ceramic substrate by means of solution casting and carbonizing the cast PPy-DBSA layer. It was verified that the solvent used to formulate the PPy-DBSA solution and the final calcination temperature have significant impact on the porous structure of carbon membrane. Besides transmission electron microscopy examination, gas permeation test also unveils the porous features of the carbon membrane. The prevalent transport phenomenon was Knudsen diffusion, signifying that the carbon matrix is characterized by the meso-porous structure. |
doi_str_mv | 10.1016/j.memsci.2011.06.007 |
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► The potential of conducting polymer as a carbon membrane precursor was explored. ► Grafting aliphatic chains to polypyrrole assure a defect-free carbon membrane. ► Effects of fabrication details on the porous feature of the carbon membranes. ► Gas permeation testing demonstrates realization of a meso-porous carbon matrix.
Electrically conducting polymers are generally considered as unsuitable precursor for the synthesis of carbon membrane because defects always emerge in the carbon matrixes generated from the pyrolysis of these polymers. However, the conjugated chain structure of this type of polymers permits a high conversion of carbon to graphenes. We found that grafting of dodecylbenzene sulfonic acid (DBSA) chains to the conjugated backbone of polypyrrole (PPy) can effectively halt mudcracks from developing in the carbon matrix. The DBSA side chains impede strong association of the conjugated PPy molecular segments since the root cause of mudcracks is the stacking of PPy segments. A uniform and microcrack-free carbon membrane (3–5
μm thick) was achieved on a porous ceramic substrate by means of solution casting and carbonizing the cast PPy-DBSA layer. It was verified that the solvent used to formulate the PPy-DBSA solution and the final calcination temperature have significant impact on the porous structure of carbon membrane. Besides transmission electron microscopy examination, gas permeation test also unveils the porous features of the carbon membrane. The prevalent transport phenomenon was Knudsen diffusion, signifying that the carbon matrix is characterized by the meso-porous structure.</description><identifier>ISSN: 0376-7388</identifier><identifier>EISSN: 1873-3123</identifier><identifier>DOI: 10.1016/j.memsci.2011.06.007</identifier><identifier>CODEN: JMESDO</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>artificial membranes ; Asymmetric structure ; carbon ; Carbon membrane ; Carbonization ; ceramics ; Chemistry ; Colloidal state and disperse state ; Conducting polymer ; Exact sciences and technology ; General and physical chemistry ; Membranes ; Micropores ; polymers ; Porous materials ; pyrolysis ; solvents ; sulfonic acid ; temperature ; transmission electron microscopy</subject><ispartof>Journal of membrane science, 2011-09, Vol.379 (1), p.353-360</ispartof><rights>2011 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c393t-a7a2a72710fbb901b7e2d0dbec0f7e3f69eb174ee43642e83fa3d641fb806c813</citedby><cites>FETCH-LOGICAL-c393t-a7a2a72710fbb901b7e2d0dbec0f7e3f69eb174ee43642e83fa3d641fb806c813</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0376738811004455$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24428284$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Xinwei</creatorcontrib><creatorcontrib>Hong, Liang</creatorcontrib><creatorcontrib>Chen, Xinling</creatorcontrib><creatorcontrib>Yeong, Wen Hao Au</creatorcontrib><creatorcontrib>Chan, Wan Ki Isabel</creatorcontrib><title>Aliphatic chain grafted polypyrrole as a precursor of carbon membrane</title><title>Journal of membrane science</title><description>[Display omitted]
► The potential of conducting polymer as a carbon membrane precursor was explored. ► Grafting aliphatic chains to polypyrrole assure a defect-free carbon membrane. ► Effects of fabrication details on the porous feature of the carbon membranes. ► Gas permeation testing demonstrates realization of a meso-porous carbon matrix.
Electrically conducting polymers are generally considered as unsuitable precursor for the synthesis of carbon membrane because defects always emerge in the carbon matrixes generated from the pyrolysis of these polymers. However, the conjugated chain structure of this type of polymers permits a high conversion of carbon to graphenes. We found that grafting of dodecylbenzene sulfonic acid (DBSA) chains to the conjugated backbone of polypyrrole (PPy) can effectively halt mudcracks from developing in the carbon matrix. The DBSA side chains impede strong association of the conjugated PPy molecular segments since the root cause of mudcracks is the stacking of PPy segments. A uniform and microcrack-free carbon membrane (3–5
μm thick) was achieved on a porous ceramic substrate by means of solution casting and carbonizing the cast PPy-DBSA layer. It was verified that the solvent used to formulate the PPy-DBSA solution and the final calcination temperature have significant impact on the porous structure of carbon membrane. Besides transmission electron microscopy examination, gas permeation test also unveils the porous features of the carbon membrane. The prevalent transport phenomenon was Knudsen diffusion, signifying that the carbon matrix is characterized by the meso-porous structure.</description><subject>artificial membranes</subject><subject>Asymmetric structure</subject><subject>carbon</subject><subject>Carbon membrane</subject><subject>Carbonization</subject><subject>ceramics</subject><subject>Chemistry</subject><subject>Colloidal state and disperse state</subject><subject>Conducting polymer</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Membranes</subject><subject>Micropores</subject><subject>polymers</subject><subject>Porous materials</subject><subject>pyrolysis</subject><subject>solvents</subject><subject>sulfonic acid</subject><subject>temperature</subject><subject>transmission electron microscopy</subject><issn>0376-7388</issn><issn>1873-3123</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kE1r3DAQhkVpINtN_0EgugR6sTv6qCRfAiHkoxDooc1ZyPIo0eJdOZK3sP8-WhxyzGkuz8z7zkPIOYOWAVM_N-0Wt8XHlgNjLagWQH8hK2a0aATj4itZgdCq0cKYU_KtlA0A02C6Fbm9HuP04uboqX9xcUefswszDnRK42E65JxGpK5QR6eMfp9LyjQF6l3u047W2D67HZ6Rk-DGgt_f55o83d3-u3loHv_c_765fmy86MTcOO2401wzCH3fAes18gGGHj0EjSKoDnumJaIUSnI0IjgxKMlCb0B5w8Sa_FjuTjm97rHMdhuLx3GsHdK-WCaV_AVSdEdULqjPqZSMwU45bl0-WAb2aM1u7GLNHq1ZULZaq2uX7wmueDeG-p2P5WOXS8kNN7JyFwsXXLLuOVfm6W89pACglq3S1-RqIbAK-R8x25qFO49DrCZnO6T4eZU3vjKN7w</recordid><startdate>20110901</startdate><enddate>20110901</enddate><creator>Chen, Xinwei</creator><creator>Hong, Liang</creator><creator>Chen, Xinling</creator><creator>Yeong, Wen Hao Au</creator><creator>Chan, Wan Ki Isabel</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>20110901</creationdate><title>Aliphatic chain grafted polypyrrole as a precursor of carbon membrane</title><author>Chen, Xinwei ; Hong, Liang ; Chen, Xinling ; Yeong, Wen Hao Au ; Chan, Wan Ki Isabel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c393t-a7a2a72710fbb901b7e2d0dbec0f7e3f69eb174ee43642e83fa3d641fb806c813</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>artificial membranes</topic><topic>Asymmetric structure</topic><topic>carbon</topic><topic>Carbon membrane</topic><topic>Carbonization</topic><topic>ceramics</topic><topic>Chemistry</topic><topic>Colloidal state and disperse state</topic><topic>Conducting polymer</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Membranes</topic><topic>Micropores</topic><topic>polymers</topic><topic>Porous materials</topic><topic>pyrolysis</topic><topic>solvents</topic><topic>sulfonic acid</topic><topic>temperature</topic><topic>transmission electron microscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Xinwei</creatorcontrib><creatorcontrib>Hong, Liang</creatorcontrib><creatorcontrib>Chen, Xinling</creatorcontrib><creatorcontrib>Yeong, Wen Hao Au</creatorcontrib><creatorcontrib>Chan, Wan Ki Isabel</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Journal of membrane science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Xinwei</au><au>Hong, Liang</au><au>Chen, Xinling</au><au>Yeong, Wen Hao Au</au><au>Chan, Wan Ki Isabel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Aliphatic chain grafted polypyrrole as a precursor of carbon membrane</atitle><jtitle>Journal of membrane science</jtitle><date>2011-09-01</date><risdate>2011</risdate><volume>379</volume><issue>1</issue><spage>353</spage><epage>360</epage><pages>353-360</pages><issn>0376-7388</issn><eissn>1873-3123</eissn><coden>JMESDO</coden><abstract>[Display omitted]
► The potential of conducting polymer as a carbon membrane precursor was explored. ► Grafting aliphatic chains to polypyrrole assure a defect-free carbon membrane. ► Effects of fabrication details on the porous feature of the carbon membranes. ► Gas permeation testing demonstrates realization of a meso-porous carbon matrix.
Electrically conducting polymers are generally considered as unsuitable precursor for the synthesis of carbon membrane because defects always emerge in the carbon matrixes generated from the pyrolysis of these polymers. However, the conjugated chain structure of this type of polymers permits a high conversion of carbon to graphenes. We found that grafting of dodecylbenzene sulfonic acid (DBSA) chains to the conjugated backbone of polypyrrole (PPy) can effectively halt mudcracks from developing in the carbon matrix. The DBSA side chains impede strong association of the conjugated PPy molecular segments since the root cause of mudcracks is the stacking of PPy segments. A uniform and microcrack-free carbon membrane (3–5
μm thick) was achieved on a porous ceramic substrate by means of solution casting and carbonizing the cast PPy-DBSA layer. It was verified that the solvent used to formulate the PPy-DBSA solution and the final calcination temperature have significant impact on the porous structure of carbon membrane. Besides transmission electron microscopy examination, gas permeation test also unveils the porous features of the carbon membrane. The prevalent transport phenomenon was Knudsen diffusion, signifying that the carbon matrix is characterized by the meso-porous structure.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.memsci.2011.06.007</doi><tpages>8</tpages></addata></record> |
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subjects | artificial membranes Asymmetric structure carbon Carbon membrane Carbonization ceramics Chemistry Colloidal state and disperse state Conducting polymer Exact sciences and technology General and physical chemistry Membranes Micropores polymers Porous materials pyrolysis solvents sulfonic acid temperature transmission electron microscopy |
title | Aliphatic chain grafted polypyrrole as a precursor of carbon membrane |
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