An inexpensive CuO nanoparticles as cocatalyst significantly enhanced the photo-oxidation performance of Bi2Ga2.8Al1.2O9 photocatalyst under visible-light
[Display omitted] •The CuO highly improved the absorption ability in visible light region.•Doping Al into Bi2Ga4O9 presented high photo-oxidation activity and low cost.•The BGAO-2.5%Cu exhibited the highest photo-oxidation activity.•The photo-generated hole played a main role for the RhB degradation...
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| Veröffentlicht in: | Materials letters 2021-01, Vol.283, p.128796, Article 128796 |
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| creator | Yang, Jia Fu, Mingyan Liu, Hongfu Yin, Guihua Tan, Mingdan Sun, Xiaorui Huang, Huisheng |
| description | [Display omitted]
•The CuO highly improved the absorption ability in visible light region.•Doping Al into Bi2Ga4O9 presented high photo-oxidation activity and low cost.•The BGAO-2.5%Cu exhibited the highest photo-oxidation activity.•The photo-generated hole played a main role for the RhB degradation.
Herein, we present a systematic investigation of CuO nanoparticles decorated on Bi2Ga2.8Al1.2O9 semiconducting photocatalyst for the photo-oxidation rhodamine B (RhB) under visible-light. Under the same condition, all cocatalysts (CuO, Ag, Au, Pt and Co) enhanced the photocatalytic activity than the intrinsic Bi2Ga2.8Al1.2O9 photocatalyst, where the BGAO-2.5%Cu photocatalyst show the highest photo-oxidation activity. The kinetic constant (k) of the obtained optimal photocatalyst is 3.9 and 5.7 times than those of Bi2Ga2.8Al1.2O9 and Bi2Ga4O9 semiconductors, respectively. The photo-oxidation efficiency of RhB is 99.14% over the optimal photocatalyst in 2 h. The possible photocatalytic mechanism of the function of CuO on the semiconductor is proposed. This work highlight the CuO which was decorated on semiconductor by a simple photodeposition method play an essential role for the environmental cleaning. |
| doi_str_mv | 10.1016/j.matlet.2020.128796 |
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•The CuO highly improved the absorption ability in visible light region.•Doping Al into Bi2Ga4O9 presented high photo-oxidation activity and low cost.•The BGAO-2.5%Cu exhibited the highest photo-oxidation activity.•The photo-generated hole played a main role for the RhB degradation.
Herein, we present a systematic investigation of CuO nanoparticles decorated on Bi2Ga2.8Al1.2O9 semiconducting photocatalyst for the photo-oxidation rhodamine B (RhB) under visible-light. Under the same condition, all cocatalysts (CuO, Ag, Au, Pt and Co) enhanced the photocatalytic activity than the intrinsic Bi2Ga2.8Al1.2O9 photocatalyst, where the BGAO-2.5%Cu photocatalyst show the highest photo-oxidation activity. The kinetic constant (k) of the obtained optimal photocatalyst is 3.9 and 5.7 times than those of Bi2Ga2.8Al1.2O9 and Bi2Ga4O9 semiconductors, respectively. The photo-oxidation efficiency of RhB is 99.14% over the optimal photocatalyst in 2 h. The possible photocatalytic mechanism of the function of CuO on the semiconductor is proposed. This work highlight the CuO which was decorated on semiconductor by a simple photodeposition method play an essential role for the environmental cleaning.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2020.128796</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Catalytic activity ; Cobalt ; Cocatalyst ; Copper oxides ; CuO ; Gold ; Materials science ; Nanoparticle ; Nanoparticles ; Oxidation ; Photo-oxidation ; Photocatalysis ; Photocatalysts ; Platinum ; Rhodamine ; Semiconductor ; Silver ; Visible-light</subject><ispartof>Materials letters, 2021-01, Vol.283, p.128796, Article 128796</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright Elsevier BV Jan 15, 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-272dbda956e4c9d10bf12ee332d41906a06f0649fe02e76eeab8ec5debe8e15d3</citedby><cites>FETCH-LOGICAL-c334t-272dbda956e4c9d10bf12ee332d41906a06f0649fe02e76eeab8ec5debe8e15d3</cites><orcidid>0000-0001-7404-096X ; 0000-0002-1715-4060</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0167577X20315032$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Yang, Jia</creatorcontrib><creatorcontrib>Fu, Mingyan</creatorcontrib><creatorcontrib>Liu, Hongfu</creatorcontrib><creatorcontrib>Yin, Guihua</creatorcontrib><creatorcontrib>Tan, Mingdan</creatorcontrib><creatorcontrib>Sun, Xiaorui</creatorcontrib><creatorcontrib>Huang, Huisheng</creatorcontrib><title>An inexpensive CuO nanoparticles as cocatalyst significantly enhanced the photo-oxidation performance of Bi2Ga2.8Al1.2O9 photocatalyst under visible-light</title><title>Materials letters</title><description>[Display omitted]
•The CuO highly improved the absorption ability in visible light region.•Doping Al into Bi2Ga4O9 presented high photo-oxidation activity and low cost.•The BGAO-2.5%Cu exhibited the highest photo-oxidation activity.•The photo-generated hole played a main role for the RhB degradation.
Herein, we present a systematic investigation of CuO nanoparticles decorated on Bi2Ga2.8Al1.2O9 semiconducting photocatalyst for the photo-oxidation rhodamine B (RhB) under visible-light. Under the same condition, all cocatalysts (CuO, Ag, Au, Pt and Co) enhanced the photocatalytic activity than the intrinsic Bi2Ga2.8Al1.2O9 photocatalyst, where the BGAO-2.5%Cu photocatalyst show the highest photo-oxidation activity. The kinetic constant (k) of the obtained optimal photocatalyst is 3.9 and 5.7 times than those of Bi2Ga2.8Al1.2O9 and Bi2Ga4O9 semiconductors, respectively. The photo-oxidation efficiency of RhB is 99.14% over the optimal photocatalyst in 2 h. The possible photocatalytic mechanism of the function of CuO on the semiconductor is proposed. This work highlight the CuO which was decorated on semiconductor by a simple photodeposition method play an essential role for the environmental cleaning.</description><subject>Catalytic activity</subject><subject>Cobalt</subject><subject>Cocatalyst</subject><subject>Copper oxides</subject><subject>CuO</subject><subject>Gold</subject><subject>Materials science</subject><subject>Nanoparticle</subject><subject>Nanoparticles</subject><subject>Oxidation</subject><subject>Photo-oxidation</subject><subject>Photocatalysis</subject><subject>Photocatalysts</subject><subject>Platinum</subject><subject>Rhodamine</subject><subject>Semiconductor</subject><subject>Silver</subject><subject>Visible-light</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kUGL2zAQhUXpQtPd_Qc9CHq2K8mKZV0KaehuCwu5tLA3IUvjzQRHciUlbP5Kf20dXHrsaWD43hvmPUI-cFZzxttPh_poywilFkzMK9Ep3b4hK96pppJa6bdkNWOqWiv1_I68z_nAGJOayRX5vQkUA7xOEDKegW5POxpsiJNNBd0ImdpMXXS22PGSC834EnBAZ0MZLxTC3gYHnpY90GkfS6ziK3pbMAY6QRpiOl4BGgf6BcWjFXW3GXktdnrB__megodEz5ixH6Ea8WVf7sjNYMcM93_nLfn58PXH9lv1tHv8vt08Va5pZKmEEr73Vq9bkE57zvqBC4CmEV5yzVrL2oG1Ug_ABKgWwPYduLWHHjrga9_cko-L75TirxPkYg7xlMJ80gipuk7MeTYzJRfKpZhzgsFMCY82XQxn5tqCOZilBXNtwSwtzLLPiwzmD84IyWSHcM0ME7hifMT_G_wBEb-WCw</recordid><startdate>20210115</startdate><enddate>20210115</enddate><creator>Yang, Jia</creator><creator>Fu, Mingyan</creator><creator>Liu, Hongfu</creator><creator>Yin, Guihua</creator><creator>Tan, Mingdan</creator><creator>Sun, Xiaorui</creator><creator>Huang, Huisheng</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-7404-096X</orcidid><orcidid>https://orcid.org/0000-0002-1715-4060</orcidid></search><sort><creationdate>20210115</creationdate><title>An inexpensive CuO nanoparticles as cocatalyst significantly enhanced the photo-oxidation performance of Bi2Ga2.8Al1.2O9 photocatalyst under visible-light</title><author>Yang, Jia ; Fu, Mingyan ; Liu, Hongfu ; Yin, Guihua ; Tan, Mingdan ; Sun, Xiaorui ; Huang, Huisheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-272dbda956e4c9d10bf12ee332d41906a06f0649fe02e76eeab8ec5debe8e15d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Catalytic activity</topic><topic>Cobalt</topic><topic>Cocatalyst</topic><topic>Copper oxides</topic><topic>CuO</topic><topic>Gold</topic><topic>Materials science</topic><topic>Nanoparticle</topic><topic>Nanoparticles</topic><topic>Oxidation</topic><topic>Photo-oxidation</topic><topic>Photocatalysis</topic><topic>Photocatalysts</topic><topic>Platinum</topic><topic>Rhodamine</topic><topic>Semiconductor</topic><topic>Silver</topic><topic>Visible-light</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Jia</creatorcontrib><creatorcontrib>Fu, Mingyan</creatorcontrib><creatorcontrib>Liu, Hongfu</creatorcontrib><creatorcontrib>Yin, Guihua</creatorcontrib><creatorcontrib>Tan, Mingdan</creatorcontrib><creatorcontrib>Sun, Xiaorui</creatorcontrib><creatorcontrib>Huang, Huisheng</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Jia</au><au>Fu, Mingyan</au><au>Liu, Hongfu</au><au>Yin, Guihua</au><au>Tan, Mingdan</au><au>Sun, Xiaorui</au><au>Huang, Huisheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An inexpensive CuO nanoparticles as cocatalyst significantly enhanced the photo-oxidation performance of Bi2Ga2.8Al1.2O9 photocatalyst under visible-light</atitle><jtitle>Materials letters</jtitle><date>2021-01-15</date><risdate>2021</risdate><volume>283</volume><spage>128796</spage><pages>128796-</pages><artnum>128796</artnum><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>[Display omitted]
•The CuO highly improved the absorption ability in visible light region.•Doping Al into Bi2Ga4O9 presented high photo-oxidation activity and low cost.•The BGAO-2.5%Cu exhibited the highest photo-oxidation activity.•The photo-generated hole played a main role for the RhB degradation.
Herein, we present a systematic investigation of CuO nanoparticles decorated on Bi2Ga2.8Al1.2O9 semiconducting photocatalyst for the photo-oxidation rhodamine B (RhB) under visible-light. Under the same condition, all cocatalysts (CuO, Ag, Au, Pt and Co) enhanced the photocatalytic activity than the intrinsic Bi2Ga2.8Al1.2O9 photocatalyst, where the BGAO-2.5%Cu photocatalyst show the highest photo-oxidation activity. The kinetic constant (k) of the obtained optimal photocatalyst is 3.9 and 5.7 times than those of Bi2Ga2.8Al1.2O9 and Bi2Ga4O9 semiconductors, respectively. The photo-oxidation efficiency of RhB is 99.14% over the optimal photocatalyst in 2 h. The possible photocatalytic mechanism of the function of CuO on the semiconductor is proposed. This work highlight the CuO which was decorated on semiconductor by a simple photodeposition method play an essential role for the environmental cleaning.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2020.128796</doi><orcidid>https://orcid.org/0000-0001-7404-096X</orcidid><orcidid>https://orcid.org/0000-0002-1715-4060</orcidid></addata></record> |
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| subjects | Catalytic activity Cobalt Cocatalyst Copper oxides CuO Gold Materials science Nanoparticle Nanoparticles Oxidation Photo-oxidation Photocatalysis Photocatalysts Platinum Rhodamine Semiconductor Silver Visible-light |
| title | An inexpensive CuO nanoparticles as cocatalyst significantly enhanced the photo-oxidation performance of Bi2Ga2.8Al1.2O9 photocatalyst under visible-light |
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