Growth of titanium oxide or titanate nanostructured thin films on Ti substrates by anodic oxidation in alkali solutions
Anodic oxidation of Ti in aqueous NaOH solutions is employed to grow titanium oxide or titanate nanostructured thin films on Ti substrates. The effect of voltage (10–30V), temperature (20–80°C), NaOH concentration (0.5–4M) and oxidation duration (0.5–5h) on the chemical composition, morphology, and...
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| Veröffentlicht in: | Surface & coatings technology 2013-10, Vol.232, p.224-233 |
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| creator | Huang, Xinwen Liu, Zongjian |
| description | Anodic oxidation of Ti in aqueous NaOH solutions is employed to grow titanium oxide or titanate nanostructured thin films on Ti substrates. The effect of voltage (10–30V), temperature (20–80°C), NaOH concentration (0.5–4M) and oxidation duration (0.5–5h) on the chemical composition, morphology, and photoelectrochemical property of as-grown films has been investigated. It is found that the film composition is strongly related to the alkali concentration. Titanium oxide films are obtained in low-concentration NaOH solutions (≤2M), whereas the films primarily consist of titanate if the NaOH concentration reaches 4M. Our results have also shown that by changing the growth conditions the films with different morphology can be obtained. When anodizing Ti at 80°C and 30V for 3h, for example, a nanowire film with net-like morphology and a nanoleaf film can be grown in 2M and 4M NaOH solutions, respectively. An analysis of the correlation of measured photocurrent with film thickness or surface roughness reveals that the photoelectrochemical property of the titanium oxide films is dependent on both their thickness and surface morphology. The nanowire film with net-like morphology is found to be more photoactive than other films due to its relatively large thickness (~510nm), high surface roughness (~18.4nm) and one-dimensional structural feature. Based on the experimental results, a possible mechanism for growth of titanium oxide or titanate thin films on Ti substrates in alkali aqueous solutions via anodic oxidation has been proposed.
•Preparation of titanium oxide or titanate films on Ti substrates.•Anodizing Ti in aqueous NaOH solutions.•Film composition is dependent on the NaOH concentration.•Films made of different nanostructures are obtained.•Net-like film made of short nanowires is more photoactive than other films. |
| doi_str_mv | 10.1016/j.surfcoat.2013.05.015 |
| format | Article |
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•Preparation of titanium oxide or titanate films on Ti substrates.•Anodizing Ti in aqueous NaOH solutions.•Film composition is dependent on the NaOH concentration.•Films made of different nanostructures are obtained.•Net-like film made of short nanowires is more photoactive than other films.</description><identifier>ISSN: 0257-8972</identifier><identifier>EISSN: 1879-3347</identifier><identifier>DOI: 10.1016/j.surfcoat.2013.05.015</identifier><identifier>CODEN: SCTEEJ</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Alkali ; Anodic oxidation ; Anodizing ; Applied sciences ; Concentration (composition) ; Corrosion ; Corrosion environments ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Materials science ; Metals. Metallurgy ; Methods of deposition of films and coatings; film growth and epitaxy ; Morphology ; Nanostructure ; Other surface treatments ; Physics ; Production techniques ; Surface treatment ; Surface treatments ; Thin films ; Titanate ; Titanates ; Titanium ; Titanium oxide ; Titanium oxides</subject><ispartof>Surface & coatings technology, 2013-10, Vol.232, p.224-233</ispartof><rights>2013 Elsevier B.V.</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-132aaf099ec2659a6e30b4f11fedcf3594c569560830c826ac68c18b6bbd84fd3</citedby><cites>FETCH-LOGICAL-c375t-132aaf099ec2659a6e30b4f11fedcf3594c569560830c826ac68c18b6bbd84fd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S025789721300443X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27875780$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Huang, Xinwen</creatorcontrib><creatorcontrib>Liu, Zongjian</creatorcontrib><title>Growth of titanium oxide or titanate nanostructured thin films on Ti substrates by anodic oxidation in alkali solutions</title><title>Surface & coatings technology</title><description>Anodic oxidation of Ti in aqueous NaOH solutions is employed to grow titanium oxide or titanate nanostructured thin films on Ti substrates. The effect of voltage (10–30V), temperature (20–80°C), NaOH concentration (0.5–4M) and oxidation duration (0.5–5h) on the chemical composition, morphology, and photoelectrochemical property of as-grown films has been investigated. It is found that the film composition is strongly related to the alkali concentration. Titanium oxide films are obtained in low-concentration NaOH solutions (≤2M), whereas the films primarily consist of titanate if the NaOH concentration reaches 4M. Our results have also shown that by changing the growth conditions the films with different morphology can be obtained. When anodizing Ti at 80°C and 30V for 3h, for example, a nanowire film with net-like morphology and a nanoleaf film can be grown in 2M and 4M NaOH solutions, respectively. An analysis of the correlation of measured photocurrent with film thickness or surface roughness reveals that the photoelectrochemical property of the titanium oxide films is dependent on both their thickness and surface morphology. The nanowire film with net-like morphology is found to be more photoactive than other films due to its relatively large thickness (~510nm), high surface roughness (~18.4nm) and one-dimensional structural feature. Based on the experimental results, a possible mechanism for growth of titanium oxide or titanate thin films on Ti substrates in alkali aqueous solutions via anodic oxidation has been proposed.
•Preparation of titanium oxide or titanate films on Ti substrates.•Anodizing Ti in aqueous NaOH solutions.•Film composition is dependent on the NaOH concentration.•Films made of different nanostructures are obtained.•Net-like film made of short nanowires is more photoactive than other films.</description><subject>Alkali</subject><subject>Anodic oxidation</subject><subject>Anodizing</subject><subject>Applied sciences</subject><subject>Concentration (composition)</subject><subject>Corrosion</subject><subject>Corrosion environments</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Materials science</subject><subject>Metals. Metallurgy</subject><subject>Methods of deposition of films and coatings; film growth and epitaxy</subject><subject>Morphology</subject><subject>Nanostructure</subject><subject>Other surface treatments</subject><subject>Physics</subject><subject>Production techniques</subject><subject>Surface treatment</subject><subject>Surface treatments</subject><subject>Thin films</subject><subject>Titanate</subject><subject>Titanates</subject><subject>Titanium</subject><subject>Titanium oxide</subject><subject>Titanium oxides</subject><issn>0257-8972</issn><issn>1879-3347</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqF0E1v1DAQBmALUalL6V-ofEHikjC244_cQBUUpEpcytlyHFv1ko2Lx6H03-NlC1dOlsbPzGheQq4Y9AyYerfvcSvRZ1d7Dkz0IHtg8gXZMaPHTohBvyQ74FJ3ZtT8nLxC3AMA0-OwI483JT_We5ojram6NW0Hmn-lOdBcThVXA13dmrGWzdethJnW-7TSmJYD0rzSu0Rxm9p3k0inJ9rwnPyfMa6mJpp2y3e3NJiX7VjC1-QsugXD5fN7Qb59-nh3_bm7_Xrz5frDbeeFlrVjgjsXYRyD50qOTgUB0xAZi2H2Uchx8FKNUoER4A1XzivjmZnUNM1miLO4IG9Pcx9K_rEFrPaQ0IdlcWvIG1qmBs45mEE2qk7Ul4xYQrQPJR1cebIM7DFpu7d_k7bHpC1I25JujW-edzj0bonFrT7hv26ujZbaQHPvTy60g3-mUCz6FFYf5lSCr3bO6X-rfgMQFprP</recordid><startdate>20131001</startdate><enddate>20131001</enddate><creator>Huang, Xinwen</creator><creator>Liu, Zongjian</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20131001</creationdate><title>Growth of titanium oxide or titanate nanostructured thin films on Ti substrates by anodic oxidation in alkali solutions</title><author>Huang, Xinwen ; Liu, Zongjian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-132aaf099ec2659a6e30b4f11fedcf3594c569560830c826ac68c18b6bbd84fd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Alkali</topic><topic>Anodic oxidation</topic><topic>Anodizing</topic><topic>Applied sciences</topic><topic>Concentration (composition)</topic><topic>Corrosion</topic><topic>Corrosion environments</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Materials science</topic><topic>Metals. Metallurgy</topic><topic>Methods of deposition of films and coatings; film growth and epitaxy</topic><topic>Morphology</topic><topic>Nanostructure</topic><topic>Other surface treatments</topic><topic>Physics</topic><topic>Production techniques</topic><topic>Surface treatment</topic><topic>Surface treatments</topic><topic>Thin films</topic><topic>Titanate</topic><topic>Titanates</topic><topic>Titanium</topic><topic>Titanium oxide</topic><topic>Titanium oxides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, Xinwen</creatorcontrib><creatorcontrib>Liu, Zongjian</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Surface & coatings technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Xinwen</au><au>Liu, Zongjian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Growth of titanium oxide or titanate nanostructured thin films on Ti substrates by anodic oxidation in alkali solutions</atitle><jtitle>Surface & coatings technology</jtitle><date>2013-10-01</date><risdate>2013</risdate><volume>232</volume><spage>224</spage><epage>233</epage><pages>224-233</pages><issn>0257-8972</issn><eissn>1879-3347</eissn><coden>SCTEEJ</coden><abstract>Anodic oxidation of Ti in aqueous NaOH solutions is employed to grow titanium oxide or titanate nanostructured thin films on Ti substrates. The effect of voltage (10–30V), temperature (20–80°C), NaOH concentration (0.5–4M) and oxidation duration (0.5–5h) on the chemical composition, morphology, and photoelectrochemical property of as-grown films has been investigated. It is found that the film composition is strongly related to the alkali concentration. Titanium oxide films are obtained in low-concentration NaOH solutions (≤2M), whereas the films primarily consist of titanate if the NaOH concentration reaches 4M. Our results have also shown that by changing the growth conditions the films with different morphology can be obtained. When anodizing Ti at 80°C and 30V for 3h, for example, a nanowire film with net-like morphology and a nanoleaf film can be grown in 2M and 4M NaOH solutions, respectively. An analysis of the correlation of measured photocurrent with film thickness or surface roughness reveals that the photoelectrochemical property of the titanium oxide films is dependent on both their thickness and surface morphology. The nanowire film with net-like morphology is found to be more photoactive than other films due to its relatively large thickness (~510nm), high surface roughness (~18.4nm) and one-dimensional structural feature. Based on the experimental results, a possible mechanism for growth of titanium oxide or titanate thin films on Ti substrates in alkali aqueous solutions via anodic oxidation has been proposed.
•Preparation of titanium oxide or titanate films on Ti substrates.•Anodizing Ti in aqueous NaOH solutions.•Film composition is dependent on the NaOH concentration.•Films made of different nanostructures are obtained.•Net-like film made of short nanowires is more photoactive than other films.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.surfcoat.2013.05.015</doi><tpages>10</tpages></addata></record> |
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| subjects | Alkali Anodic oxidation Anodizing Applied sciences Concentration (composition) Corrosion Corrosion environments Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Metals. Metallurgy Methods of deposition of films and coatings film growth and epitaxy Morphology Nanostructure Other surface treatments Physics Production techniques Surface treatment Surface treatments Thin films Titanate Titanates Titanium Titanium oxide Titanium oxides |
| title | Growth of titanium oxide or titanate nanostructured thin films on Ti substrates by anodic oxidation in alkali solutions |
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