Investigation of in situ sulfide/nitride/phosphide treatments of hematite photoanodes for improved solar water oxidation
Surface catalyst engineering can effectively improve the photoelectrochemical water splitting (PEC-WS) performance of semiconductor photoelectrodes. In situ surface functional treatments can effectively reduce interface defects and improve photogenerated carrier transport. In this study, FTO/Sn@α-Fe...
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| Veröffentlicht in: | Dalton transactions : an international journal of inorganic chemistry 2023-09, Vol.52 (35), p.12308-12317 |
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| container_title | Dalton transactions : an international journal of inorganic chemistry |
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| creator | Xing, Xiu-Shuang Zhou, Zhongyuan Song, Peilin Song, Xin Ren, Xiaofei Zhang, Daojun Zeng, Xuyang Guo, Yao Du, Jimin |
| description | Surface catalyst engineering can effectively improve the photoelectrochemical water splitting (PEC-WS) performance of semiconductor photoelectrodes.
In situ
surface functional treatments can effectively reduce interface defects and improve photogenerated carrier transport. In this study, FTO/Sn@α-Fe
2
O
3
/FeOOH photoanodes were modified with
in situ
sulfide/nitride/phosphide treatments to improve their PEC-WS performance. Compared with the pure α-Fe
2
O
3
photoanode, the photocurrent densities of FTO/Sn@α-Fe
2
O
3
/FeOOH photoanodes after sulfide/nitride/phosphide treatments increased from 0.88 to 3.38 mA cm
−2
at 1.23 V
RHE
. The onset potential showed a cathode shift of 0.1 V. Photoelectrochemical analyses and theoretical calculation demonstrated that the surface engineering by sulfide/nitride/phosphide treatments can significantly reduce surface defects, enhance electrical conductivity and promote photogenerated carrier separation and transfer efficiency by regulating interface charge transfer, binding energy and internal electric field. The formation of an FeS
x
catalyst and N/P coordination complexes in the sulfide/nitride/phosphide processes on the surface of α-Fe
2
O
3
photoanodes can effectively reduce photogenerated carrier recombination. This work provides experimental and theoretical support for surface structure design and improved photoelectric conversion performance of semiconductor photoelectrode materials. |
| doi_str_mv | 10.1039/d3dt02197a |
| format | Article |
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In situ
surface functional treatments can effectively reduce interface defects and improve photogenerated carrier transport. In this study, FTO/Sn@α-Fe
2
O
3
/FeOOH photoanodes were modified with
in situ
sulfide/nitride/phosphide treatments to improve their PEC-WS performance. Compared with the pure α-Fe
2
O
3
photoanode, the photocurrent densities of FTO/Sn@α-Fe
2
O
3
/FeOOH photoanodes after sulfide/nitride/phosphide treatments increased from 0.88 to 3.38 mA cm
−2
at 1.23 V
RHE
. The onset potential showed a cathode shift of 0.1 V. Photoelectrochemical analyses and theoretical calculation demonstrated that the surface engineering by sulfide/nitride/phosphide treatments can significantly reduce surface defects, enhance electrical conductivity and promote photogenerated carrier separation and transfer efficiency by regulating interface charge transfer, binding energy and internal electric field. The formation of an FeS
x
catalyst and N/P coordination complexes in the sulfide/nitride/phosphide processes on the surface of α-Fe
2
O
3
photoanodes can effectively reduce photogenerated carrier recombination. This work provides experimental and theoretical support for surface structure design and improved photoelectric conversion performance of semiconductor photoelectrode materials.</description><identifier>ISSN: 1477-9226</identifier><identifier>EISSN: 1477-9234</identifier><identifier>DOI: 10.1039/d3dt02197a</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Carrier recombination ; Carrier transport ; Catalysts ; Charge transfer ; Coordination compounds ; Electric fields ; Electrical resistivity ; Ferric oxide ; Hematite ; Nitrides ; Oxidation ; Phosphides ; Photoanodes ; Photoelectric effect ; Photoelectricity ; Surface defects ; Surface structure ; Water splitting</subject><ispartof>Dalton transactions : an international journal of inorganic chemistry, 2023-09, Vol.52 (35), p.12308-12317</ispartof><rights>Copyright Royal Society of Chemistry 2023</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c292t-188e47aea4b1b33a7a7b28837d7901a6e62bb197b6660f0ea471eabf12d1c3a83</citedby><cites>FETCH-LOGICAL-c292t-188e47aea4b1b33a7a7b28837d7901a6e62bb197b6660f0ea471eabf12d1c3a83</cites><orcidid>0000-0002-3964-8002 ; 0009-0002-9557-341X ; 0009-0004-9346-8178</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>Xing, Xiu-Shuang</creatorcontrib><creatorcontrib>Zhou, Zhongyuan</creatorcontrib><creatorcontrib>Song, Peilin</creatorcontrib><creatorcontrib>Song, Xin</creatorcontrib><creatorcontrib>Ren, Xiaofei</creatorcontrib><creatorcontrib>Zhang, Daojun</creatorcontrib><creatorcontrib>Zeng, Xuyang</creatorcontrib><creatorcontrib>Guo, Yao</creatorcontrib><creatorcontrib>Du, Jimin</creatorcontrib><title>Investigation of in situ sulfide/nitride/phosphide treatments of hematite photoanodes for improved solar water oxidation</title><title>Dalton transactions : an international journal of inorganic chemistry</title><description>Surface catalyst engineering can effectively improve the photoelectrochemical water splitting (PEC-WS) performance of semiconductor photoelectrodes.
In situ
surface functional treatments can effectively reduce interface defects and improve photogenerated carrier transport. In this study, FTO/Sn@α-Fe
2
O
3
/FeOOH photoanodes were modified with
in situ
sulfide/nitride/phosphide treatments to improve their PEC-WS performance. Compared with the pure α-Fe
2
O
3
photoanode, the photocurrent densities of FTO/Sn@α-Fe
2
O
3
/FeOOH photoanodes after sulfide/nitride/phosphide treatments increased from 0.88 to 3.38 mA cm
−2
at 1.23 V
RHE
. The onset potential showed a cathode shift of 0.1 V. Photoelectrochemical analyses and theoretical calculation demonstrated that the surface engineering by sulfide/nitride/phosphide treatments can significantly reduce surface defects, enhance electrical conductivity and promote photogenerated carrier separation and transfer efficiency by regulating interface charge transfer, binding energy and internal electric field. The formation of an FeS
x
catalyst and N/P coordination complexes in the sulfide/nitride/phosphide processes on the surface of α-Fe
2
O
3
photoanodes can effectively reduce photogenerated carrier recombination. This work provides experimental and theoretical support for surface structure design and improved photoelectric conversion performance of semiconductor photoelectrode materials.</description><subject>Carrier recombination</subject><subject>Carrier transport</subject><subject>Catalysts</subject><subject>Charge transfer</subject><subject>Coordination compounds</subject><subject>Electric fields</subject><subject>Electrical resistivity</subject><subject>Ferric oxide</subject><subject>Hematite</subject><subject>Nitrides</subject><subject>Oxidation</subject><subject>Phosphides</subject><subject>Photoanodes</subject><subject>Photoelectric effect</subject><subject>Photoelectricity</subject><subject>Surface defects</subject><subject>Surface structure</subject><subject>Water splitting</subject><issn>1477-9226</issn><issn>1477-9234</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNpdkUtPwzAQhC0EEqVw4RdY4oKQQv1I7eRYtTwqVeJSzpETb6irJA62U8q_x20RB04zh293ZzUI3VLySAnPJ5rrQBjNpTpDI5pKmeSMp-d_nolLdOX9lhDGyJSN0H7Z7cAH86GCsR22NTYd9iYM2A9NbTRMOhPcQfuN9f0mOhwcqNBCF_yB30AbZwPgCASrOqvB49o6bNre2R1o7G2jHP5SARy2e6OPp67RRa0aDze_Okbvz0_r-WuyentZzmerpGI5CwnNMkilApWWtORcSSVLlmVcapkTqgQIVpbx31IIQWoSOUlBlTVlmlZcZXyM7k97Y5jPIb5atMZX0DSqAzv4gmVTnqckS6cRvfuHbu3gupguUiKljErBI_VwoipnvXdQF70zrXLfBSXFoYRiwRfrYwkz_gOO0XxX</recordid><startdate>20230913</startdate><enddate>20230913</enddate><creator>Xing, Xiu-Shuang</creator><creator>Zhou, Zhongyuan</creator><creator>Song, Peilin</creator><creator>Song, Xin</creator><creator>Ren, Xiaofei</creator><creator>Zhang, Daojun</creator><creator>Zeng, Xuyang</creator><creator>Guo, Yao</creator><creator>Du, Jimin</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>JG9</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-3964-8002</orcidid><orcidid>https://orcid.org/0009-0002-9557-341X</orcidid><orcidid>https://orcid.org/0009-0004-9346-8178</orcidid></search><sort><creationdate>20230913</creationdate><title>Investigation of in situ sulfide/nitride/phosphide treatments of hematite photoanodes for improved solar water oxidation</title><author>Xing, Xiu-Shuang ; Zhou, Zhongyuan ; Song, Peilin ; Song, Xin ; Ren, Xiaofei ; Zhang, Daojun ; Zeng, Xuyang ; Guo, Yao ; Du, Jimin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c292t-188e47aea4b1b33a7a7b28837d7901a6e62bb197b6660f0ea471eabf12d1c3a83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Carrier recombination</topic><topic>Carrier transport</topic><topic>Catalysts</topic><topic>Charge transfer</topic><topic>Coordination compounds</topic><topic>Electric fields</topic><topic>Electrical resistivity</topic><topic>Ferric oxide</topic><topic>Hematite</topic><topic>Nitrides</topic><topic>Oxidation</topic><topic>Phosphides</topic><topic>Photoanodes</topic><topic>Photoelectric effect</topic><topic>Photoelectricity</topic><topic>Surface defects</topic><topic>Surface structure</topic><topic>Water splitting</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xing, Xiu-Shuang</creatorcontrib><creatorcontrib>Zhou, Zhongyuan</creatorcontrib><creatorcontrib>Song, Peilin</creatorcontrib><creatorcontrib>Song, Xin</creatorcontrib><creatorcontrib>Ren, Xiaofei</creatorcontrib><creatorcontrib>Zhang, Daojun</creatorcontrib><creatorcontrib>Zeng, Xuyang</creatorcontrib><creatorcontrib>Guo, Yao</creatorcontrib><creatorcontrib>Du, Jimin</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>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xing, Xiu-Shuang</au><au>Zhou, Zhongyuan</au><au>Song, Peilin</au><au>Song, Xin</au><au>Ren, Xiaofei</au><au>Zhang, Daojun</au><au>Zeng, Xuyang</au><au>Guo, Yao</au><au>Du, Jimin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation of in situ sulfide/nitride/phosphide treatments of hematite photoanodes for improved solar water oxidation</atitle><jtitle>Dalton transactions : an international journal of inorganic chemistry</jtitle><date>2023-09-13</date><risdate>2023</risdate><volume>52</volume><issue>35</issue><spage>12308</spage><epage>12317</epage><pages>12308-12317</pages><issn>1477-9226</issn><eissn>1477-9234</eissn><abstract>Surface catalyst engineering can effectively improve the photoelectrochemical water splitting (PEC-WS) performance of semiconductor photoelectrodes.
In situ
surface functional treatments can effectively reduce interface defects and improve photogenerated carrier transport. In this study, FTO/Sn@α-Fe
2
O
3
/FeOOH photoanodes were modified with
in situ
sulfide/nitride/phosphide treatments to improve their PEC-WS performance. Compared with the pure α-Fe
2
O
3
photoanode, the photocurrent densities of FTO/Sn@α-Fe
2
O
3
/FeOOH photoanodes after sulfide/nitride/phosphide treatments increased from 0.88 to 3.38 mA cm
−2
at 1.23 V
RHE
. The onset potential showed a cathode shift of 0.1 V. Photoelectrochemical analyses and theoretical calculation demonstrated that the surface engineering by sulfide/nitride/phosphide treatments can significantly reduce surface defects, enhance electrical conductivity and promote photogenerated carrier separation and transfer efficiency by regulating interface charge transfer, binding energy and internal electric field. The formation of an FeS
x
catalyst and N/P coordination complexes in the sulfide/nitride/phosphide processes on the surface of α-Fe
2
O
3
photoanodes can effectively reduce photogenerated carrier recombination. This work provides experimental and theoretical support for surface structure design and improved photoelectric conversion performance of semiconductor photoelectrode materials.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d3dt02197a</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-3964-8002</orcidid><orcidid>https://orcid.org/0009-0002-9557-341X</orcidid><orcidid>https://orcid.org/0009-0004-9346-8178</orcidid></addata></record> |
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| source | Royal Society Of Chemistry Journals; Alma/SFX Local Collection |
| subjects | Carrier recombination Carrier transport Catalysts Charge transfer Coordination compounds Electric fields Electrical resistivity Ferric oxide Hematite Nitrides Oxidation Phosphides Photoanodes Photoelectric effect Photoelectricity Surface defects Surface structure Water splitting |
| title | Investigation of in situ sulfide/nitride/phosphide treatments of hematite photoanodes for improved solar water oxidation |
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