Superior visible light photocatalytic performance of reticular BiVO4 synthesized via a modified sol–gel method
Reticular BiVO4 catalysts were successfully synthesized via a modified sol–gel method. Here, citric acid (CA) was used as the chelating agent and ethylenediaminetetraacetic acid (EDTA) was used as the chelating agent and template. Furthermore, the effects of pH values and EDTA on the structure and m...
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| Veröffentlicht in: | RSC advances 2018-01, Vol.8 (19), p.10654-10664 |
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| container_issue | 19 |
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| container_title | RSC advances |
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| creator | Zhang, Lingyun Dai, Zhenxiang Zheng, Ganhong Yao, Zifeng Mu, Jingjing |
| description | Reticular BiVO4 catalysts were successfully synthesized via a modified sol–gel method. Here, citric acid (CA) was used as the chelating agent and ethylenediaminetetraacetic acid (EDTA) was used as the chelating agent and template. Furthermore, the effects of pH values and EDTA on the structure and morphology of the samples were studied. We determined that EDTA and pH played important roles in the determination of the morphology of the as-prepared BiVO4 samples. Photocatalytic evaluation revealed that the reticular BiVO4 exhibited superior photocatalytic performance characteristics for the degradation of methylene blue (MB) under visible-light (λ > 400 nm) exposure, about 98% of the MB was found to degrade within 50 min. Moreover, the degradation kinetics of MB was in good agreement with pseudo-first-order kinetics. The obtained apparent reaction rate constant kapp of reticular BiVO4 was much higher than that of BiVO4 synthesized by the citric acid sol–gel method. |
| doi_str_mv | 10.1039/c8ra00554k |
| format | Article |
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Here, citric acid (CA) was used as the chelating agent and ethylenediaminetetraacetic acid (EDTA) was used as the chelating agent and template. Furthermore, the effects of pH values and EDTA on the structure and morphology of the samples were studied. We determined that EDTA and pH played important roles in the determination of the morphology of the as-prepared BiVO4 samples. Photocatalytic evaluation revealed that the reticular BiVO4 exhibited superior photocatalytic performance characteristics for the degradation of methylene blue (MB) under visible-light (λ > 400 nm) exposure, about 98% of the MB was found to degrade within 50 min. Moreover, the degradation kinetics of MB was in good agreement with pseudo-first-order kinetics. The obtained apparent reaction rate constant kapp of reticular BiVO4 was much higher than that of BiVO4 synthesized by the citric acid sol–gel method.</description><identifier>ISSN: 2046-2069</identifier><identifier>EISSN: 2046-2069</identifier><identifier>DOI: 10.1039/c8ra00554k</identifier><identifier>PMID: 35540486</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Bismuth oxides ; Chelating agents ; Chelation ; Chemical synthesis ; Chemistry ; Citric acid ; Degradation ; Ethylenediaminetetraacetic acids ; Methylene blue ; Morphology ; Oxidation ; Reaction kinetics ; Sol-gel processes ; Vanadates</subject><ispartof>RSC advances, 2018-01, Vol.8 (19), p.10654-10664</ispartof><rights>Copyright Royal Society of Chemistry 2018</rights><rights>This journal is © The Royal Society of Chemistry.</rights><rights>This journal is © The Royal Society of Chemistry 2018 The Royal Society of Chemistry</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9078881/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9078881/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,27924,27925,53791,53793</link.rule.ids></links><search><creatorcontrib>Zhang, Lingyun</creatorcontrib><creatorcontrib>Dai, Zhenxiang</creatorcontrib><creatorcontrib>Zheng, Ganhong</creatorcontrib><creatorcontrib>Yao, Zifeng</creatorcontrib><creatorcontrib>Mu, Jingjing</creatorcontrib><title>Superior visible light photocatalytic performance of reticular BiVO4 synthesized via a modified sol–gel method</title><title>RSC advances</title><description>Reticular BiVO4 catalysts were successfully synthesized via a modified sol–gel method. Here, citric acid (CA) was used as the chelating agent and ethylenediaminetetraacetic acid (EDTA) was used as the chelating agent and template. Furthermore, the effects of pH values and EDTA on the structure and morphology of the samples were studied. We determined that EDTA and pH played important roles in the determination of the morphology of the as-prepared BiVO4 samples. Photocatalytic evaluation revealed that the reticular BiVO4 exhibited superior photocatalytic performance characteristics for the degradation of methylene blue (MB) under visible-light (λ > 400 nm) exposure, about 98% of the MB was found to degrade within 50 min. Moreover, the degradation kinetics of MB was in good agreement with pseudo-first-order kinetics. The obtained apparent reaction rate constant kapp of reticular BiVO4 was much higher than that of BiVO4 synthesized by the citric acid sol–gel method.</description><subject>Bismuth oxides</subject><subject>Chelating agents</subject><subject>Chelation</subject><subject>Chemical synthesis</subject><subject>Chemistry</subject><subject>Citric acid</subject><subject>Degradation</subject><subject>Ethylenediaminetetraacetic acids</subject><subject>Methylene blue</subject><subject>Morphology</subject><subject>Oxidation</subject><subject>Reaction kinetics</subject><subject>Sol-gel processes</subject><subject>Vanadates</subject><issn>2046-2069</issn><issn>2046-2069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNpdj81KxDAQx4MoKqsXnyDgxctq0qZpcxFU_ALBgx_XkibTbda0qUm6sJ58B9_QJzGgB3UuM_-ZHz8YhA4oOaYkFyeq8pKQomAvG2g3I4zPM8LF5q95B-2HsCSpeEEzTrfRTp54wiq-i8aHaQRvnMcrE0xjAVuz6CIeOxedklHadTQKJ6Z1vpeDAuxa7CEtJys9PjfP9wyH9RA7COYNdPJILHHvtGlNisHZz_ePBVjcQ-yc3kNbrbQB9n_6DD1dXT5e3Mzv7q9vL87u5mNOyjgXjaKUg6Sa0EJBw6DgHGhTlpq2jVaMUaGqglGuSC7zHKiWTCjJG9Vwott8hk6_vePU9KAVDNFLW4_e9NKvaydN_fcymK5euFUtSFlVFU2Cox-Bd68ThFj3JiiwVg7gplBnnGcFK7kQCT38hy7d5If0Xp0RygQXhGf5F4bShjs</recordid><startdate>20180101</startdate><enddate>20180101</enddate><creator>Zhang, Lingyun</creator><creator>Dai, Zhenxiang</creator><creator>Zheng, Ganhong</creator><creator>Yao, Zifeng</creator><creator>Mu, Jingjing</creator><general>Royal Society of Chemistry</general><general>The Royal Society of Chemistry</general><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20180101</creationdate><title>Superior visible light photocatalytic performance of reticular BiVO4 synthesized via a modified sol–gel method</title><author>Zhang, Lingyun ; Dai, Zhenxiang ; Zheng, Ganhong ; Yao, Zifeng ; Mu, Jingjing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p307t-9bc116ea1d015ceb4e566e1b77d1fbdc4419c85416c03a33e1da49ca6bcb60df3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Bismuth oxides</topic><topic>Chelating agents</topic><topic>Chelation</topic><topic>Chemical synthesis</topic><topic>Chemistry</topic><topic>Citric acid</topic><topic>Degradation</topic><topic>Ethylenediaminetetraacetic acids</topic><topic>Methylene blue</topic><topic>Morphology</topic><topic>Oxidation</topic><topic>Reaction kinetics</topic><topic>Sol-gel processes</topic><topic>Vanadates</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Lingyun</creatorcontrib><creatorcontrib>Dai, Zhenxiang</creatorcontrib><creatorcontrib>Zheng, Ganhong</creatorcontrib><creatorcontrib>Yao, Zifeng</creatorcontrib><creatorcontrib>Mu, Jingjing</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>RSC advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Lingyun</au><au>Dai, Zhenxiang</au><au>Zheng, Ganhong</au><au>Yao, Zifeng</au><au>Mu, Jingjing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Superior visible light photocatalytic performance of reticular BiVO4 synthesized via a modified sol–gel method</atitle><jtitle>RSC advances</jtitle><date>2018-01-01</date><risdate>2018</risdate><volume>8</volume><issue>19</issue><spage>10654</spage><epage>10664</epage><pages>10654-10664</pages><issn>2046-2069</issn><eissn>2046-2069</eissn><abstract>Reticular BiVO4 catalysts were successfully synthesized via a modified sol–gel method. Here, citric acid (CA) was used as the chelating agent and ethylenediaminetetraacetic acid (EDTA) was used as the chelating agent and template. Furthermore, the effects of pH values and EDTA on the structure and morphology of the samples were studied. We determined that EDTA and pH played important roles in the determination of the morphology of the as-prepared BiVO4 samples. Photocatalytic evaluation revealed that the reticular BiVO4 exhibited superior photocatalytic performance characteristics for the degradation of methylene blue (MB) under visible-light (λ > 400 nm) exposure, about 98% of the MB was found to degrade within 50 min. Moreover, the degradation kinetics of MB was in good agreement with pseudo-first-order kinetics. The obtained apparent reaction rate constant kapp of reticular BiVO4 was much higher than that of BiVO4 synthesized by the citric acid sol–gel method.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><pmid>35540486</pmid><doi>10.1039/c8ra00554k</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| source | DOAJ Directory of Open Access Journals; PubMed Central Open Access; EZB-FREE-00999 freely available EZB journals; PubMed Central |
| subjects | Bismuth oxides Chelating agents Chelation Chemical synthesis Chemistry Citric acid Degradation Ethylenediaminetetraacetic acids Methylene blue Morphology Oxidation Reaction kinetics Sol-gel processes Vanadates |
| title | Superior visible light photocatalytic performance of reticular BiVO4 synthesized via a modified sol–gel method |
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