Highly efficient visible-light-induced photoactivity of carbonized polyimide aerogel for antibiotic degradation
Various nitrogen (N)-doped carbon materials have been designed as efficient photocatalysts. For the first time, polyimide (PI) aerogels were calcined to be N-doped carbon photocatalysts at different temperatures. The structures of the carbonized polyimide aerogels (CPIs) vary with the carbonization...
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| Veröffentlicht in: | Nanotechnology 2020-03, Vol.31 (23), p.235707-235707 |
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| container_issue | 23 |
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| container_title | Nanotechnology |
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| creator | Zhao, Xinfu Yi, Xibin Wang, Xinqiang Zhang, Jing Liu, Benxue Liu, Xiaochan Guo, Sipeng Chu, Wei |
| description | Various nitrogen (N)-doped carbon materials have been designed as efficient photocatalysts. For the first time, polyimide (PI) aerogels were calcined to be N-doped carbon photocatalysts at different temperatures. The structures of the carbonized polyimide aerogels (CPIs) vary with the carbonization temperature. The conductivity of the CPI increases with the improvement of calcination temperature, whereas the N content of the CPI decreases and the N state also changes. Thus, the electronic properties of the CPI are changed. The photocatalytic experiments certified that the PI aerogel calcined at 800 °C exhibited the highest photocatalytic performance. The chlortetracycline (CTC) degradation rate over CPI-800 aerogel is 2.3 times as much as that of PI aerogel due to the changed structure and properties of the CPI-800 aerogel. |
| doi_str_mv | 10.1088/1361-6528/ab7585 |
| format | Article |
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For the first time, polyimide (PI) aerogels were calcined to be N-doped carbon photocatalysts at different temperatures. The structures of the carbonized polyimide aerogels (CPIs) vary with the carbonization temperature. The conductivity of the CPI increases with the improvement of calcination temperature, whereas the N content of the CPI decreases and the N state also changes. Thus, the electronic properties of the CPI are changed. The photocatalytic experiments certified that the PI aerogel calcined at 800 °C exhibited the highest photocatalytic performance. 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For the first time, polyimide (PI) aerogels were calcined to be N-doped carbon photocatalysts at different temperatures. The structures of the carbonized polyimide aerogels (CPIs) vary with the carbonization temperature. The conductivity of the CPI increases with the improvement of calcination temperature, whereas the N content of the CPI decreases and the N state also changes. Thus, the electronic properties of the CPI are changed. The photocatalytic experiments certified that the PI aerogel calcined at 800 °C exhibited the highest photocatalytic performance. The chlortetracycline (CTC) degradation rate over CPI-800 aerogel is 2.3 times as much as that of PI aerogel due to the changed structure and properties of the CPI-800 aerogel.</description><subject>aerogel</subject><subject>carbonized polyimide (CPI)</subject><subject>ethanol supercritical drying</subject><subject>photocatalyst</subject><subject>polyimide (PI)</subject><issn>0957-4484</issn><issn>1361-6528</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kM9rFTEQx4NY7Gv17klyVOja_NzkHaXYVih4qeeQZCevKfuSNckWXv96d3m1J_E0MPOZLzMfhD5S8pUSrS8p72nXS6YvrVNSyzdo89p6izZkK1UnhBan6KzWR0Io1Yy-Q6ecEUnolm9Qvo27h_GAIYToI6SGn2KNboRuXAati2mYPQx4esgtW9_iU2wHnAP2tric4vM6y-Mh7uMA2ELJOxhxyAXb1KKLuUWPB9gVO9gWc3qPToIdK3x4qefo1_X3-6vb7u7nzY-rb3edF0S1zvfO0l4BC4NghIDj2gXFmbbeeqctFeD7LTglesGk571lzjnlpfdBU2D8HH0-5k4l_56hNrOP1cM42gR5roZxKRSXi44FJUfUl1xrgWCmEve2HAwlZtVsVqdmdWqOmpeVTy_ps9vD8Lrw1-sCXByBmCfzmOeSlmf_l_flH3iyKRtOl1vXcxVRZhoC_wMi8JcX</recordid><startdate>20200320</startdate><enddate>20200320</enddate><creator>Zhao, Xinfu</creator><creator>Yi, Xibin</creator><creator>Wang, Xinqiang</creator><creator>Zhang, Jing</creator><creator>Liu, Benxue</creator><creator>Liu, Xiaochan</creator><creator>Guo, Sipeng</creator><creator>Chu, Wei</creator><general>IOP Publishing</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-8385-0806</orcidid></search><sort><creationdate>20200320</creationdate><title>Highly efficient visible-light-induced photoactivity of carbonized polyimide aerogel for antibiotic degradation</title><author>Zhao, Xinfu ; Yi, Xibin ; Wang, Xinqiang ; Zhang, Jing ; Liu, Benxue ; Liu, Xiaochan ; Guo, Sipeng ; Chu, Wei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c407t-c6ba167e2fd4200eb38bf7328acacb8a14ec69eb746425c36a2bbb7c5ccf81e23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>aerogel</topic><topic>carbonized polyimide (CPI)</topic><topic>ethanol supercritical drying</topic><topic>photocatalyst</topic><topic>polyimide (PI)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhao, Xinfu</creatorcontrib><creatorcontrib>Yi, Xibin</creatorcontrib><creatorcontrib>Wang, Xinqiang</creatorcontrib><creatorcontrib>Zhang, Jing</creatorcontrib><creatorcontrib>Liu, Benxue</creatorcontrib><creatorcontrib>Liu, Xiaochan</creatorcontrib><creatorcontrib>Guo, Sipeng</creatorcontrib><creatorcontrib>Chu, Wei</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Nanotechnology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhao, Xinfu</au><au>Yi, Xibin</au><au>Wang, Xinqiang</au><au>Zhang, Jing</au><au>Liu, Benxue</au><au>Liu, Xiaochan</au><au>Guo, Sipeng</au><au>Chu, Wei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Highly efficient visible-light-induced photoactivity of carbonized polyimide aerogel for antibiotic degradation</atitle><jtitle>Nanotechnology</jtitle><stitle>NANO</stitle><addtitle>Nanotechnology</addtitle><date>2020-03-20</date><risdate>2020</risdate><volume>31</volume><issue>23</issue><spage>235707</spage><epage>235707</epage><pages>235707-235707</pages><issn>0957-4484</issn><eissn>1361-6528</eissn><coden>NNOTER</coden><abstract>Various nitrogen (N)-doped carbon materials have been designed as efficient photocatalysts. For the first time, polyimide (PI) aerogels were calcined to be N-doped carbon photocatalysts at different temperatures. The structures of the carbonized polyimide aerogels (CPIs) vary with the carbonization temperature. The conductivity of the CPI increases with the improvement of calcination temperature, whereas the N content of the CPI decreases and the N state also changes. Thus, the electronic properties of the CPI are changed. The photocatalytic experiments certified that the PI aerogel calcined at 800 °C exhibited the highest photocatalytic performance. The chlortetracycline (CTC) degradation rate over CPI-800 aerogel is 2.3 times as much as that of PI aerogel due to the changed structure and properties of the CPI-800 aerogel.</abstract><cop>England</cop><pub>IOP Publishing</pub><pmid>32050193</pmid><doi>10.1088/1361-6528/ab7585</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-8385-0806</orcidid></addata></record> |
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| issn | 0957-4484 1361-6528 |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | aerogel carbonized polyimide (CPI) ethanol supercritical drying photocatalyst polyimide (PI) |
| title | Highly efficient visible-light-induced photoactivity of carbonized polyimide aerogel for antibiotic degradation |
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