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High-entropy oxynitride as a low-bandgap and stable photocatalyst for hydrogen production
Metal oxynitrides are promising photocatalysts due to their narrow bandgap, but their lower stability compared to metal oxides is a drawback. The introduction of high-entropy alloys with entropy-stabilization features has shown high potential for various functional applications in recent years. By c...
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Published in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2021-07, Vol.9 (26), p.1576-1586 |
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container_end_page | 1586 |
container_issue | 26 |
container_start_page | 1576 |
container_title | Journal of materials chemistry. A, Materials for energy and sustainability |
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creator | Edalati, Parisa Shen, Xiao-Feng Watanabe, Motonori Ishihara, Tatsumi Arita, Makoto Fuji, Masayoshi Edalati, Kaveh |
description | Metal oxynitrides are promising photocatalysts due to their narrow bandgap, but their lower stability compared to metal oxides is a drawback. The introduction of high-entropy alloys with entropy-stabilization features has shown high potential for various functional applications in recent years. By considering these two types of materials, we developed a high-entropy oxynitride for photocatalytic water splitting. The material, with a general composition of TiZrHfNbTaO
6
N
3
and a d
0
electronic configuration, showed a narrow bandgap of 1.6 eV, which is much lower than the bandgaps of relevant binary and high-entropy oxides. The material exhibited photocurrent generation and photocatalytic hydrogen production with high chemical stability, suggesting the high potential of high-entropy oxynitrides as advanced low-bandgap and stable photocatalysts.
High-entropy oxynitride photocatalysts have the advantages of high-etropy alloys (high stability) and of oxynitrides (narrow bandgap). |
doi_str_mv | 10.1039/d1ta03861c |
format | article |
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6
N
3
and a d
0
electronic configuration, showed a narrow bandgap of 1.6 eV, which is much lower than the bandgaps of relevant binary and high-entropy oxides. The material exhibited photocurrent generation and photocatalytic hydrogen production with high chemical stability, suggesting the high potential of high-entropy oxynitrides as advanced low-bandgap and stable photocatalysts.
High-entropy oxynitride photocatalysts have the advantages of high-etropy alloys (high stability) and of oxynitrides (narrow bandgap).</description><identifier>ISSN: 2050-7488</identifier><identifier>EISSN: 2050-7496</identifier><identifier>DOI: 10.1039/d1ta03861c</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Energy gap ; High entropy alloys ; Hydrogen production ; Metal oxides ; Oxides ; Oxynitrides ; Photocatalysis ; Photocatalysts ; Photoelectric effect ; Photoelectric emission ; Stability ; Water splitting</subject><ispartof>Journal of materials chemistry. A, Materials for energy and sustainability, 2021-07, Vol.9 (26), p.1576-1586</ispartof><rights>Copyright Royal Society of Chemistry 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c347t-61acdf621450742b9b8d44714d565bf1402d651fa8d20c8779a5d655f0f110163</citedby><cites>FETCH-LOGICAL-c347t-61acdf621450742b9b8d44714d565bf1402d651fa8d20c8779a5d655f0f110163</cites><orcidid>0000-0002-6800-7044 ; 0000-0003-3885-2121 ; 0000-0002-7434-3773 ; 0000-0003-3621-4361</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>Edalati, Parisa</creatorcontrib><creatorcontrib>Shen, Xiao-Feng</creatorcontrib><creatorcontrib>Watanabe, Motonori</creatorcontrib><creatorcontrib>Ishihara, Tatsumi</creatorcontrib><creatorcontrib>Arita, Makoto</creatorcontrib><creatorcontrib>Fuji, Masayoshi</creatorcontrib><creatorcontrib>Edalati, Kaveh</creatorcontrib><title>High-entropy oxynitride as a low-bandgap and stable photocatalyst for hydrogen production</title><title>Journal of materials chemistry. A, Materials for energy and sustainability</title><description>Metal oxynitrides are promising photocatalysts due to their narrow bandgap, but their lower stability compared to metal oxides is a drawback. The introduction of high-entropy alloys with entropy-stabilization features has shown high potential for various functional applications in recent years. By considering these two types of materials, we developed a high-entropy oxynitride for photocatalytic water splitting. The material, with a general composition of TiZrHfNbTaO
6
N
3
and a d
0
electronic configuration, showed a narrow bandgap of 1.6 eV, which is much lower than the bandgaps of relevant binary and high-entropy oxides. The material exhibited photocurrent generation and photocatalytic hydrogen production with high chemical stability, suggesting the high potential of high-entropy oxynitrides as advanced low-bandgap and stable photocatalysts.
High-entropy oxynitride photocatalysts have the advantages of high-etropy alloys (high stability) and of oxynitrides (narrow bandgap).</description><subject>Energy gap</subject><subject>High entropy alloys</subject><subject>Hydrogen production</subject><subject>Metal oxides</subject><subject>Oxides</subject><subject>Oxynitrides</subject><subject>Photocatalysis</subject><subject>Photocatalysts</subject><subject>Photoelectric effect</subject><subject>Photoelectric emission</subject><subject>Stability</subject><subject>Water splitting</subject><issn>2050-7488</issn><issn>2050-7496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNpFkM9LwzAUx4MoOOYu3oWAN6H6kiZpehzzx4SBl3nwVNKk2TpqU5MM7X9vdDLf5ft4fHhf-CB0SeCWQF7eGRIV5FIQfYImFDhkBSvF6XGX8hzNQthBGgkgynKC3pbtZps1ffRuGLH7Gvs2-tY0WAWscOc-s1r1ZqMGnAKHqOquwcPWRadVVN0YIrbO4-1ovNs0PR68M3sdW9dfoDOrutDM_nKKXh8f1otltnp5el7MV5nOWREzQZQ2VlDCOBSM1mUtDWMFYYYLXlvCgBrBiVXSUNCyKErF04FbsIQAEfkUXR_-puqPfRNitXN736fKinImBRM5o4m6OVDauxB8Y6vBt-_KjxWB6sdedU_W8197iwRfHWAf9JH7t5t_AzIRa3o</recordid><startdate>20210714</startdate><enddate>20210714</enddate><creator>Edalati, Parisa</creator><creator>Shen, Xiao-Feng</creator><creator>Watanabe, Motonori</creator><creator>Ishihara, Tatsumi</creator><creator>Arita, Makoto</creator><creator>Fuji, Masayoshi</creator><creator>Edalati, Kaveh</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SR</scope><scope>7ST</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>JG9</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-6800-7044</orcidid><orcidid>https://orcid.org/0000-0003-3885-2121</orcidid><orcidid>https://orcid.org/0000-0002-7434-3773</orcidid><orcidid>https://orcid.org/0000-0003-3621-4361</orcidid></search><sort><creationdate>20210714</creationdate><title>High-entropy oxynitride as a low-bandgap and stable photocatalyst for hydrogen production</title><author>Edalati, Parisa ; Shen, Xiao-Feng ; Watanabe, Motonori ; Ishihara, Tatsumi ; Arita, Makoto ; Fuji, Masayoshi ; Edalati, Kaveh</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c347t-61acdf621450742b9b8d44714d565bf1402d651fa8d20c8779a5d655f0f110163</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Energy gap</topic><topic>High entropy alloys</topic><topic>Hydrogen production</topic><topic>Metal oxides</topic><topic>Oxides</topic><topic>Oxynitrides</topic><topic>Photocatalysis</topic><topic>Photocatalysts</topic><topic>Photoelectric effect</topic><topic>Photoelectric emission</topic><topic>Stability</topic><topic>Water splitting</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Edalati, Parisa</creatorcontrib><creatorcontrib>Shen, Xiao-Feng</creatorcontrib><creatorcontrib>Watanabe, Motonori</creatorcontrib><creatorcontrib>Ishihara, Tatsumi</creatorcontrib><creatorcontrib>Arita, Makoto</creatorcontrib><creatorcontrib>Fuji, Masayoshi</creatorcontrib><creatorcontrib>Edalati, Kaveh</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Edalati, Parisa</au><au>Shen, Xiao-Feng</au><au>Watanabe, Motonori</au><au>Ishihara, Tatsumi</au><au>Arita, Makoto</au><au>Fuji, Masayoshi</au><au>Edalati, Kaveh</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High-entropy oxynitride as a low-bandgap and stable photocatalyst for hydrogen production</atitle><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle><date>2021-07-14</date><risdate>2021</risdate><volume>9</volume><issue>26</issue><spage>1576</spage><epage>1586</epage><pages>1576-1586</pages><issn>2050-7488</issn><eissn>2050-7496</eissn><abstract>Metal oxynitrides are promising photocatalysts due to their narrow bandgap, but their lower stability compared to metal oxides is a drawback. The introduction of high-entropy alloys with entropy-stabilization features has shown high potential for various functional applications in recent years. By considering these two types of materials, we developed a high-entropy oxynitride for photocatalytic water splitting. The material, with a general composition of TiZrHfNbTaO
6
N
3
and a d
0
electronic configuration, showed a narrow bandgap of 1.6 eV, which is much lower than the bandgaps of relevant binary and high-entropy oxides. The material exhibited photocurrent generation and photocatalytic hydrogen production with high chemical stability, suggesting the high potential of high-entropy oxynitrides as advanced low-bandgap and stable photocatalysts.
High-entropy oxynitride photocatalysts have the advantages of high-etropy alloys (high stability) and of oxynitrides (narrow bandgap).</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d1ta03861c</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-6800-7044</orcidid><orcidid>https://orcid.org/0000-0003-3885-2121</orcidid><orcidid>https://orcid.org/0000-0002-7434-3773</orcidid><orcidid>https://orcid.org/0000-0003-3621-4361</orcidid></addata></record> |
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language | eng |
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source | Royal Society of Chemistry:Jisc Collections:Royal Society of Chemistry Read and Publish 2022-2024 (reading list) |
subjects | Energy gap High entropy alloys Hydrogen production Metal oxides Oxides Oxynitrides Photocatalysis Photocatalysts Photoelectric effect Photoelectric emission Stability Water splitting |
title | High-entropy oxynitride as a low-bandgap and stable photocatalyst for hydrogen production |
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