Effects of Rh-doping on the photooxidative degradation activity of titanate nanosheets
To investigate the Rh-doping effect on the photooxidative degradation activity of titanate nanosheets prepared by exfoliation of an H 2 Ti 3 O 7 crystal in aqueous media, a colloidal aqueous suspension of titanate nanosheets doped with Rh atoms at the Ti sites (TiNS:Rh z , z = amount of Rh, [Ti 3−z...
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| Veröffentlicht in: | RSC advances 2017-01, Vol.7 (35), p.21790-21795 |
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| creator | Soontornchaiyakul, Wasusate Fujimura, Takuya Usami, Hisanao Sasai, Ryo |
| description | To investigate the Rh-doping effect on the photooxidative degradation activity of titanate nanosheets prepared by exfoliation of an H
2
Ti
3
O
7
crystal in aqueous media, a colloidal aqueous suspension of titanate nanosheets doped with Rh atoms at the Ti sites (TiNS:Rh
z
,
z
= amount of Rh, [Ti
3−z
Rh
z
O
7
]
2−
) was prepared. Oxidative degradation of methylene blue (MB) by TiNS:Rh
z
in aqueous media under UV light irradiation was studied. Using X-ray diffraction, diffuse reflection spectroscopy, and photoelectrochemical measurements, the electronic band structure of TiNS:Rh
z
was elucidated and was shown not to change with the amount of Rh doping at the Ti sites. However, the degradation of MB increased with an increase in Rh doping. From these results, it is suggested that the redox reaction between Rh
3+
and Rh
4+
strongly contributes to the oxidative degradation of MB in the presence of TiNS:Rh
z
under UV light irradiation. |
| doi_str_mv | 10.1039/c6ra28731j |
| format | Article |
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2
Ti
3
O
7
crystal in aqueous media, a colloidal aqueous suspension of titanate nanosheets doped with Rh atoms at the Ti sites (TiNS:Rh
z
,
z
= amount of Rh, [Ti
3−z
Rh
z
O
7
]
2−
) was prepared. Oxidative degradation of methylene blue (MB) by TiNS:Rh
z
in aqueous media under UV light irradiation was studied. Using X-ray diffraction, diffuse reflection spectroscopy, and photoelectrochemical measurements, the electronic band structure of TiNS:Rh
z
was elucidated and was shown not to change with the amount of Rh doping at the Ti sites. However, the degradation of MB increased with an increase in Rh doping. From these results, it is suggested that the redox reaction between Rh
3+
and Rh
4+
strongly contributes to the oxidative degradation of MB in the presence of TiNS:Rh
z
under UV light irradiation.</description><identifier>ISSN: 2046-2069</identifier><identifier>EISSN: 2046-2069</identifier><identifier>DOI: 10.1039/c6ra28731j</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Aqueous solutions ; Band structure of solids ; Degradation ; Doping ; Electronics ; Light irradiation ; Media ; Methylene blue ; Nanosheets ; Nanostructure ; Redox reactions ; Titanates ; Ultraviolet radiation ; X ray reflection</subject><ispartof>RSC advances, 2017-01, Vol.7 (35), p.21790-21795</ispartof><rights>Copyright Royal Society of Chemistry 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c438t-d4da19b4644830791f34162c1ef5540f69aeb63183064017059bec130825242b3</citedby><cites>FETCH-LOGICAL-c438t-d4da19b4644830791f34162c1ef5540f69aeb63183064017059bec130825242b3</cites><orcidid>0000-0002-4656-742X ; 0000-0002-0345-3094</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,860,27901,27902</link.rule.ids></links><search><creatorcontrib>Soontornchaiyakul, Wasusate</creatorcontrib><creatorcontrib>Fujimura, Takuya</creatorcontrib><creatorcontrib>Usami, Hisanao</creatorcontrib><creatorcontrib>Sasai, Ryo</creatorcontrib><title>Effects of Rh-doping on the photooxidative degradation activity of titanate nanosheets</title><title>RSC advances</title><description>To investigate the Rh-doping effect on the photooxidative degradation activity of titanate nanosheets prepared by exfoliation of an H
2
Ti
3
O
7
crystal in aqueous media, a colloidal aqueous suspension of titanate nanosheets doped with Rh atoms at the Ti sites (TiNS:Rh
z
,
z
= amount of Rh, [Ti
3−z
Rh
z
O
7
]
2−
) was prepared. Oxidative degradation of methylene blue (MB) by TiNS:Rh
z
in aqueous media under UV light irradiation was studied. Using X-ray diffraction, diffuse reflection spectroscopy, and photoelectrochemical measurements, the electronic band structure of TiNS:Rh
z
was elucidated and was shown not to change with the amount of Rh doping at the Ti sites. However, the degradation of MB increased with an increase in Rh doping. From these results, it is suggested that the redox reaction between Rh
3+
and Rh
4+
strongly contributes to the oxidative degradation of MB in the presence of TiNS:Rh
z
under UV light irradiation.</description><subject>Aqueous solutions</subject><subject>Band structure of solids</subject><subject>Degradation</subject><subject>Doping</subject><subject>Electronics</subject><subject>Light irradiation</subject><subject>Media</subject><subject>Methylene blue</subject><subject>Nanosheets</subject><subject>Nanostructure</subject><subject>Redox reactions</subject><subject>Titanates</subject><subject>Ultraviolet radiation</subject><subject>X ray reflection</subject><issn>2046-2069</issn><issn>2046-2069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNpdkE1LAzEQhoMoWGov_oIFLyKsZpJsujmWUr8oCEW9LtnspN3SbtYkFfvvTa0HcS4zzPvMBy8hl0BvgXJ1Z6TXrBxzWJ-QAaNC5oxKdfqnPiejENY0hSyASRiQ95m1aGLInM0Wq7xxfdstM9dlcYVZv3LRua-20bH9xKzBpdeHOsnapFYb94e52Ebd6YhZpzsXVogxXJAzqzcBR795SN7uZ6_Tx3z-8vA0ncxzI3gZ80Y0GlQtpBAlp2MFlguQzADaohDUSqWxlhySKAWFMS1UjQY4LVnBBKv5kFwf9_befewwxGrbBoObje7Q7UIFigoGQlCW0Kt_6NrtfJe-q5hKhvAy3UjUzZEy3oXg0Va9b7fa7yug1cHlaioXkx-Xn_k3BIVtcA</recordid><startdate>20170101</startdate><enddate>20170101</enddate><creator>Soontornchaiyakul, Wasusate</creator><creator>Fujimura, Takuya</creator><creator>Usami, Hisanao</creator><creator>Sasai, Ryo</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-4656-742X</orcidid><orcidid>https://orcid.org/0000-0002-0345-3094</orcidid></search><sort><creationdate>20170101</creationdate><title>Effects of Rh-doping on the photooxidative degradation activity of titanate nanosheets</title><author>Soontornchaiyakul, Wasusate ; Fujimura, Takuya ; Usami, Hisanao ; Sasai, Ryo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c438t-d4da19b4644830791f34162c1ef5540f69aeb63183064017059bec130825242b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Aqueous solutions</topic><topic>Band structure of solids</topic><topic>Degradation</topic><topic>Doping</topic><topic>Electronics</topic><topic>Light irradiation</topic><topic>Media</topic><topic>Methylene blue</topic><topic>Nanosheets</topic><topic>Nanostructure</topic><topic>Redox reactions</topic><topic>Titanates</topic><topic>Ultraviolet radiation</topic><topic>X ray reflection</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Soontornchaiyakul, Wasusate</creatorcontrib><creatorcontrib>Fujimura, Takuya</creatorcontrib><creatorcontrib>Usami, Hisanao</creatorcontrib><creatorcontrib>Sasai, Ryo</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>RSC advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Soontornchaiyakul, Wasusate</au><au>Fujimura, Takuya</au><au>Usami, Hisanao</au><au>Sasai, Ryo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Rh-doping on the photooxidative degradation activity of titanate nanosheets</atitle><jtitle>RSC advances</jtitle><date>2017-01-01</date><risdate>2017</risdate><volume>7</volume><issue>35</issue><spage>21790</spage><epage>21795</epage><pages>21790-21795</pages><issn>2046-2069</issn><eissn>2046-2069</eissn><abstract>To investigate the Rh-doping effect on the photooxidative degradation activity of titanate nanosheets prepared by exfoliation of an H
2
Ti
3
O
7
crystal in aqueous media, a colloidal aqueous suspension of titanate nanosheets doped with Rh atoms at the Ti sites (TiNS:Rh
z
,
z
= amount of Rh, [Ti
3−z
Rh
z
O
7
]
2−
) was prepared. Oxidative degradation of methylene blue (MB) by TiNS:Rh
z
in aqueous media under UV light irradiation was studied. Using X-ray diffraction, diffuse reflection spectroscopy, and photoelectrochemical measurements, the electronic band structure of TiNS:Rh
z
was elucidated and was shown not to change with the amount of Rh doping at the Ti sites. However, the degradation of MB increased with an increase in Rh doping. From these results, it is suggested that the redox reaction between Rh
3+
and Rh
4+
strongly contributes to the oxidative degradation of MB in the presence of TiNS:Rh
z
under UV light irradiation.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/c6ra28731j</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-4656-742X</orcidid><orcidid>https://orcid.org/0000-0002-0345-3094</orcidid><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Aqueous solutions Band structure of solids Degradation Doping Electronics Light irradiation Media Methylene blue Nanosheets Nanostructure Redox reactions Titanates Ultraviolet radiation X ray reflection |
| title | Effects of Rh-doping on the photooxidative degradation activity of titanate nanosheets |
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