Structural transformation between rutile and spinel crystal lattices in Ru-Co binary oxide nanotubes: enhanced electron transfer kinetics for the oxygen evolution reaction
A variety of binary Ru-Co mixed oxide nanotubes (Ru x Co 1− x O y with x = 0.19, 0.33, 0.47, 0.64 and 0.77) were readily synthesized via electrospinning and subsequent calcination. Ru x Co 1− x O y nanotubes (0 < x < 0.77) were composed of both rutile (Ru in RuO 2 is replaced with Co) and spin...
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| creator | Yu, Areum Kim, Myung Hwa Lee, Chongmok Lee, Youngmi |
| description | A variety of binary Ru-Co mixed oxide nanotubes (Ru
x
Co
1−
x
O
y
with
x
= 0.19, 0.33, 0.47, 0.64 and 0.77) were readily synthesized
via
electrospinning and subsequent calcination. Ru
x
Co
1−
x
O
y
nanotubes (0 <
x
< 0.77) were composed of both rutile (Ru in RuO
2
is replaced with Co) and spinel (Co in Co
3
O
4
is replaced with Ru) structures. This elemental substitution created oxygen vacancies in the rutile structure and also resulted in the incorporation of Ru
3+
in the octahedral sites of the spinel structure. The as-prepared Ru
x
Co
1−
x
O
y
nanotubes were investigated for oxygen evolution reaction (OER) electrocatalytic activity in 1.0 M HClO
4
aqueous solution. Ru
x
Co
1−
x
O
y
nanotubes with
x
≥ 0.47 presented an excellent OER activity comparable to pure RuO
2
, known to be the best OER catalyst. Even after more than half of the noble/active Ru content was replaced with cheap/less-active Co, Ru
0.47
Co
0.53
O
y
showed a good OER activity and a greatly improved stability compared to RuO
2
under the continuous OER. These attractive catalytic properties of Ru
x
Co
1−
x
O
y
can be attributed to the relatively large surface area of the tubular morphology and the substituted structures, presenting feasibility as a practical and economical OER catalyst.
A variety of binary Ru
x
Co
1−
x
O
y
(
x
= 0.19, 0.33, 0.47, 0.64 and 0.77) were synthesized
via
electrospinning and subsequent calcination, and investigated for OER electrocatalytic activity in 1.0 M HClO
4
aqueous solution. |
| doi_str_mv | 10.1039/d1nr02244j |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_rsc_p</sourceid><recordid>TN_cdi_rsc_primary_d1nr02244j</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2562446848</sourcerecordid><originalsourceid>FETCH-LOGICAL-c314t-e4a18029e9d5a478db8f9b514b1e47e5d54f0c1fe7d380b06111b1e1ea71d19e3</originalsourceid><addsrcrecordid>eNpdkctqHDEQRZvgQPzIJvuAwBtjaFtqqV_emfEzmBicZN2opepYY400Lkmx55v8k9F4jANZVUGdureoWxRfGD1ilPfHmjmkVSXE_EOxXVFBS87bauu9b8SnYieEOaVNzxu-Xbz8iJhUTCgtiShdmDwuZDTekRHiE4AjmKKxQKTTJCyNA0sUrkLMC1bGaBQEYhy5S-XMk9E4iSvin40G4qTzMY0QTgi4e-kUaAIWVMSsvjEDJA9ZMqsEkp1JvIe8vPqdbeGPt-n1EASp1s1e8XGSNsDnt7pb_Lo4_zm7Km9uL69npzel4kzEEoRkHa166HUtRdvpsZv6sWZiZCBaqHUtJqrYBK3mHR1pwxjLIwayZZr1wHeLg43uEv1jghCHhQkKrJUOfApDVefntb2oeEb3_0PnPqHL162pnEPTiS5ThxtKoQ8BYRqWaBb5UQOjwzq34Yx9v3vN7VuGv25gDOqd-5cr_wvMXpll</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2562446848</pqid></control><display><type>article</type><title>Structural transformation between rutile and spinel crystal lattices in Ru-Co binary oxide nanotubes: enhanced electron transfer kinetics for the oxygen evolution reaction</title><source>Royal Society Of Chemistry Journals 2008-</source><creator>Yu, Areum ; Kim, Myung Hwa ; Lee, Chongmok ; Lee, Youngmi</creator><creatorcontrib>Yu, Areum ; Kim, Myung Hwa ; Lee, Chongmok ; Lee, Youngmi</creatorcontrib><description>A variety of binary Ru-Co mixed oxide nanotubes (Ru
x
Co
1−
x
O
y
with
x
= 0.19, 0.33, 0.47, 0.64 and 0.77) were readily synthesized
via
electrospinning and subsequent calcination. Ru
x
Co
1−
x
O
y
nanotubes (0 <
x
< 0.77) were composed of both rutile (Ru in RuO
2
is replaced with Co) and spinel (Co in Co
3
O
4
is replaced with Ru) structures. This elemental substitution created oxygen vacancies in the rutile structure and also resulted in the incorporation of Ru
3+
in the octahedral sites of the spinel structure. The as-prepared Ru
x
Co
1−
x
O
y
nanotubes were investigated for oxygen evolution reaction (OER) electrocatalytic activity in 1.0 M HClO
4
aqueous solution. Ru
x
Co
1−
x
O
y
nanotubes with
x
≥ 0.47 presented an excellent OER activity comparable to pure RuO
2
, known to be the best OER catalyst. Even after more than half of the noble/active Ru content was replaced with cheap/less-active Co, Ru
0.47
Co
0.53
O
y
showed a good OER activity and a greatly improved stability compared to RuO
2
under the continuous OER. These attractive catalytic properties of Ru
x
Co
1−
x
O
y
can be attributed to the relatively large surface area of the tubular morphology and the substituted structures, presenting feasibility as a practical and economical OER catalyst.
A variety of binary Ru
x
Co
1−
x
O
y
(
x
= 0.19, 0.33, 0.47, 0.64 and 0.77) were synthesized
via
electrospinning and subsequent calcination, and investigated for OER electrocatalytic activity in 1.0 M HClO
4
aqueous solution.</description><identifier>ISSN: 2040-3364</identifier><identifier>EISSN: 2040-3372</identifier><identifier>DOI: 10.1039/d1nr02244j</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Aqueous solutions ; Catalysts ; Charge transfer ; Cobalt oxides ; Crystal lattices ; Crystal structure ; Electron transfer ; Lattice parameters ; Lattice vacancies ; Morphology ; Nanotubes ; Nyquist plots ; Oxygen evolution reactions ; Raman spectra ; Ruthenium oxide ; Rutile ; Spinel ; Stability ; Substitution reactions</subject><ispartof>Nanoscale, 2021-08, Vol.13 (32), p.13776-13785</ispartof><rights>Copyright Royal Society of Chemistry 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c314t-e4a18029e9d5a478db8f9b514b1e47e5d54f0c1fe7d380b06111b1e1ea71d19e3</citedby><cites>FETCH-LOGICAL-c314t-e4a18029e9d5a478db8f9b514b1e47e5d54f0c1fe7d380b06111b1e1ea71d19e3</cites><orcidid>0000-0001-7254-2886 ; 0000-0002-8623-9295 ; 0000-0003-2291-4666</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Yu, Areum</creatorcontrib><creatorcontrib>Kim, Myung Hwa</creatorcontrib><creatorcontrib>Lee, Chongmok</creatorcontrib><creatorcontrib>Lee, Youngmi</creatorcontrib><title>Structural transformation between rutile and spinel crystal lattices in Ru-Co binary oxide nanotubes: enhanced electron transfer kinetics for the oxygen evolution reaction</title><title>Nanoscale</title><description>A variety of binary Ru-Co mixed oxide nanotubes (Ru
x
Co
1−
x
O
y
with
x
= 0.19, 0.33, 0.47, 0.64 and 0.77) were readily synthesized
via
electrospinning and subsequent calcination. Ru
x
Co
1−
x
O
y
nanotubes (0 <
x
< 0.77) were composed of both rutile (Ru in RuO
2
is replaced with Co) and spinel (Co in Co
3
O
4
is replaced with Ru) structures. This elemental substitution created oxygen vacancies in the rutile structure and also resulted in the incorporation of Ru
3+
in the octahedral sites of the spinel structure. The as-prepared Ru
x
Co
1−
x
O
y
nanotubes were investigated for oxygen evolution reaction (OER) electrocatalytic activity in 1.0 M HClO
4
aqueous solution. Ru
x
Co
1−
x
O
y
nanotubes with
x
≥ 0.47 presented an excellent OER activity comparable to pure RuO
2
, known to be the best OER catalyst. Even after more than half of the noble/active Ru content was replaced with cheap/less-active Co, Ru
0.47
Co
0.53
O
y
showed a good OER activity and a greatly improved stability compared to RuO
2
under the continuous OER. These attractive catalytic properties of Ru
x
Co
1−
x
O
y
can be attributed to the relatively large surface area of the tubular morphology and the substituted structures, presenting feasibility as a practical and economical OER catalyst.
A variety of binary Ru
x
Co
1−
x
O
y
(
x
= 0.19, 0.33, 0.47, 0.64 and 0.77) were synthesized
via
electrospinning and subsequent calcination, and investigated for OER electrocatalytic activity in 1.0 M HClO
4
aqueous solution.</description><subject>Aqueous solutions</subject><subject>Catalysts</subject><subject>Charge transfer</subject><subject>Cobalt oxides</subject><subject>Crystal lattices</subject><subject>Crystal structure</subject><subject>Electron transfer</subject><subject>Lattice parameters</subject><subject>Lattice vacancies</subject><subject>Morphology</subject><subject>Nanotubes</subject><subject>Nyquist plots</subject><subject>Oxygen evolution reactions</subject><subject>Raman spectra</subject><subject>Ruthenium oxide</subject><subject>Rutile</subject><subject>Spinel</subject><subject>Stability</subject><subject>Substitution reactions</subject><issn>2040-3364</issn><issn>2040-3372</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNpdkctqHDEQRZvgQPzIJvuAwBtjaFtqqV_emfEzmBicZN2opepYY400Lkmx55v8k9F4jANZVUGdureoWxRfGD1ilPfHmjmkVSXE_EOxXVFBS87bauu9b8SnYieEOaVNzxu-Xbz8iJhUTCgtiShdmDwuZDTekRHiE4AjmKKxQKTTJCyNA0sUrkLMC1bGaBQEYhy5S-XMk9E4iSvin40G4qTzMY0QTgi4e-kUaAIWVMSsvjEDJA9ZMqsEkp1JvIe8vPqdbeGPt-n1EASp1s1e8XGSNsDnt7pb_Lo4_zm7Km9uL69npzel4kzEEoRkHa166HUtRdvpsZv6sWZiZCBaqHUtJqrYBK3mHR1pwxjLIwayZZr1wHeLg43uEv1jghCHhQkKrJUOfApDVefntb2oeEb3_0PnPqHL162pnEPTiS5ThxtKoQ8BYRqWaBb5UQOjwzq34Yx9v3vN7VuGv25gDOqd-5cr_wvMXpll</recordid><startdate>20210828</startdate><enddate>20210828</enddate><creator>Yu, Areum</creator><creator>Kim, Myung Hwa</creator><creator>Lee, Chongmok</creator><creator>Lee, Youngmi</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-7254-2886</orcidid><orcidid>https://orcid.org/0000-0002-8623-9295</orcidid><orcidid>https://orcid.org/0000-0003-2291-4666</orcidid></search><sort><creationdate>20210828</creationdate><title>Structural transformation between rutile and spinel crystal lattices in Ru-Co binary oxide nanotubes: enhanced electron transfer kinetics for the oxygen evolution reaction</title><author>Yu, Areum ; Kim, Myung Hwa ; Lee, Chongmok ; Lee, Youngmi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c314t-e4a18029e9d5a478db8f9b514b1e47e5d54f0c1fe7d380b06111b1e1ea71d19e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Aqueous solutions</topic><topic>Catalysts</topic><topic>Charge transfer</topic><topic>Cobalt oxides</topic><topic>Crystal lattices</topic><topic>Crystal structure</topic><topic>Electron transfer</topic><topic>Lattice parameters</topic><topic>Lattice vacancies</topic><topic>Morphology</topic><topic>Nanotubes</topic><topic>Nyquist plots</topic><topic>Oxygen evolution reactions</topic><topic>Raman spectra</topic><topic>Ruthenium oxide</topic><topic>Rutile</topic><topic>Spinel</topic><topic>Stability</topic><topic>Substitution reactions</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yu, Areum</creatorcontrib><creatorcontrib>Kim, Myung Hwa</creatorcontrib><creatorcontrib>Lee, Chongmok</creatorcontrib><creatorcontrib>Lee, Youngmi</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Nanoscale</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yu, Areum</au><au>Kim, Myung Hwa</au><au>Lee, Chongmok</au><au>Lee, Youngmi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structural transformation between rutile and spinel crystal lattices in Ru-Co binary oxide nanotubes: enhanced electron transfer kinetics for the oxygen evolution reaction</atitle><jtitle>Nanoscale</jtitle><date>2021-08-28</date><risdate>2021</risdate><volume>13</volume><issue>32</issue><spage>13776</spage><epage>13785</epage><pages>13776-13785</pages><issn>2040-3364</issn><eissn>2040-3372</eissn><abstract>A variety of binary Ru-Co mixed oxide nanotubes (Ru
x
Co
1−
x
O
y
with
x
= 0.19, 0.33, 0.47, 0.64 and 0.77) were readily synthesized
via
electrospinning and subsequent calcination. Ru
x
Co
1−
x
O
y
nanotubes (0 <
x
< 0.77) were composed of both rutile (Ru in RuO
2
is replaced with Co) and spinel (Co in Co
3
O
4
is replaced with Ru) structures. This elemental substitution created oxygen vacancies in the rutile structure and also resulted in the incorporation of Ru
3+
in the octahedral sites of the spinel structure. The as-prepared Ru
x
Co
1−
x
O
y
nanotubes were investigated for oxygen evolution reaction (OER) electrocatalytic activity in 1.0 M HClO
4
aqueous solution. Ru
x
Co
1−
x
O
y
nanotubes with
x
≥ 0.47 presented an excellent OER activity comparable to pure RuO
2
, known to be the best OER catalyst. Even after more than half of the noble/active Ru content was replaced with cheap/less-active Co, Ru
0.47
Co
0.53
O
y
showed a good OER activity and a greatly improved stability compared to RuO
2
under the continuous OER. These attractive catalytic properties of Ru
x
Co
1−
x
O
y
can be attributed to the relatively large surface area of the tubular morphology and the substituted structures, presenting feasibility as a practical and economical OER catalyst.
A variety of binary Ru
x
Co
1−
x
O
y
(
x
= 0.19, 0.33, 0.47, 0.64 and 0.77) were synthesized
via
electrospinning and subsequent calcination, and investigated for OER electrocatalytic activity in 1.0 M HClO
4
aqueous solution.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d1nr02244j</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0001-7254-2886</orcidid><orcidid>https://orcid.org/0000-0002-8623-9295</orcidid><orcidid>https://orcid.org/0000-0003-2291-4666</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2040-3364 |
| ispartof | Nanoscale, 2021-08, Vol.13 (32), p.13776-13785 |
| issn | 2040-3364 2040-3372 |
| language | eng |
| recordid | cdi_rsc_primary_d1nr02244j |
| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Aqueous solutions Catalysts Charge transfer Cobalt oxides Crystal lattices Crystal structure Electron transfer Lattice parameters Lattice vacancies Morphology Nanotubes Nyquist plots Oxygen evolution reactions Raman spectra Ruthenium oxide Rutile Spinel Stability Substitution reactions |
| title | Structural transformation between rutile and spinel crystal lattices in Ru-Co binary oxide nanotubes: enhanced electron transfer kinetics for the oxygen evolution reaction |
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