Planar heterojunction boosts solar-driven photocatalytic performance and stability of halide perovskite solar photocatalyst cell
The excellent optoelectronic properties of metal halide perovskites (MHPs) have been employed in various photocatalytic applications, but their poor water stability is considered as the main bottleneck for further development. Herein, we protect the light-absorbing CsPbBr3 MHP with a NiOx and TiO2 h...
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| Veröffentlicht in: | Applied catalysis. B, Environmental Environmental, 2022-02, Vol.301, p.120760, Article 120760 |
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| container_title | Applied catalysis. B, Environmental |
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| creator | Wang, Chunhua Huang, Haowei Weng, Bo Verhaeghe, Davy Keshavarz, Masoumeh Jin, Handong Liu, Biao Xie, Haipeng Ding, Yang Gao, Yujie Yuan, Haifeng Steele, Julian A. Hofkens, Johan Roeffaers, Maarten B.J. |
| description | The excellent optoelectronic properties of metal halide perovskites (MHPs) have been employed in various photocatalytic applications, but their poor water stability is considered as the main bottleneck for further development. Herein, we protect the light-absorbing CsPbBr3 MHP with a NiOx and TiO2 hole and electron extracting layer. This planar NiOx/CsPbBr3/TiO2 architecture can easily be fabricated through solution-processing. When applied to selective photocatalytic oxidation of benzyl alcohol, this system presents a 7-fold enhancement of photoactivity and an improved stability for over 90 h compared to CsPbBr3 counterpart. Interestingly, we find that trace amounts of water improve photoactivity. Through experimental and theoretical analyses, this improvement could be attributed to water-induced structural reorganization of MHP, leading to improved crystal quality and decreased effective masses of charge carriers. This work indicates planar heterojunction helps improve the photoactivity and stability of MHP photocatalyst, and our findings provide insights into the effect of water on MHPs.
[Display omitted]
•Efficient selective oxidation reactions using planar heterojunction perovskite photocatalyst cells.•Inorganic charge extracting layers boost charge extraction and protect CsPbBr3 from decomposition.•Traces of water enhance photoactivity due to structural reorganization of CsPbBr3.•Planar heterojunction perovskite photocatalyst cells exhibit long-term stability. |
| doi_str_mv | 10.1016/j.apcatb.2021.120760 |
| format | Article |
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[Display omitted]
•Efficient selective oxidation reactions using planar heterojunction perovskite photocatalyst cells.•Inorganic charge extracting layers boost charge extraction and protect CsPbBr3 from decomposition.•Traces of water enhance photoactivity due to structural reorganization of CsPbBr3.•Planar heterojunction perovskite photocatalyst cells exhibit long-term stability.</description><identifier>ISSN: 0926-3373</identifier><identifier>EISSN: 1873-3883</identifier><identifier>DOI: 10.1016/j.apcatb.2021.120760</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Benzyl alcohol ; Crystal structure ; Current carriers ; Electromagnetic absorption ; Heterojunctions ; Metal halide perovskites ; Metal halides ; Optoelectronics ; Oxidation ; Perovskites ; Photocatalysis ; Photocatalysts ; Photooxidation ; Planar heterojunction ; Solar photocatalyst cell ; Stability ; Titanium dioxide ; Water stability</subject><ispartof>Applied catalysis. B, Environmental, 2022-02, Vol.301, p.120760, Article 120760</ispartof><rights>2021 Elsevier B.V.</rights><rights>Copyright Elsevier BV Feb 2022</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c380t-550c89f08e9621621099f03cb11cd977251619bc9b6c812b5070cc0f5a66f6763</citedby><cites>FETCH-LOGICAL-c380t-550c89f08e9621621099f03cb11cd977251619bc9b6c812b5070cc0f5a66f6763</cites><orcidid>0000-0002-2901-8189 ; 0000-0002-8216-1291 ; 0000-0001-8337-219X ; 0000-0001-8872-1360</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0926337321008857$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids></links><search><creatorcontrib>Wang, Chunhua</creatorcontrib><creatorcontrib>Huang, Haowei</creatorcontrib><creatorcontrib>Weng, Bo</creatorcontrib><creatorcontrib>Verhaeghe, Davy</creatorcontrib><creatorcontrib>Keshavarz, Masoumeh</creatorcontrib><creatorcontrib>Jin, Handong</creatorcontrib><creatorcontrib>Liu, Biao</creatorcontrib><creatorcontrib>Xie, Haipeng</creatorcontrib><creatorcontrib>Ding, Yang</creatorcontrib><creatorcontrib>Gao, Yujie</creatorcontrib><creatorcontrib>Yuan, Haifeng</creatorcontrib><creatorcontrib>Steele, Julian A.</creatorcontrib><creatorcontrib>Hofkens, Johan</creatorcontrib><creatorcontrib>Roeffaers, Maarten B.J.</creatorcontrib><title>Planar heterojunction boosts solar-driven photocatalytic performance and stability of halide perovskite solar photocatalyst cell</title><title>Applied catalysis. B, Environmental</title><description>The excellent optoelectronic properties of metal halide perovskites (MHPs) have been employed in various photocatalytic applications, but their poor water stability is considered as the main bottleneck for further development. Herein, we protect the light-absorbing CsPbBr3 MHP with a NiOx and TiO2 hole and electron extracting layer. This planar NiOx/CsPbBr3/TiO2 architecture can easily be fabricated through solution-processing. When applied to selective photocatalytic oxidation of benzyl alcohol, this system presents a 7-fold enhancement of photoactivity and an improved stability for over 90 h compared to CsPbBr3 counterpart. Interestingly, we find that trace amounts of water improve photoactivity. Through experimental and theoretical analyses, this improvement could be attributed to water-induced structural reorganization of MHP, leading to improved crystal quality and decreased effective masses of charge carriers. This work indicates planar heterojunction helps improve the photoactivity and stability of MHP photocatalyst, and our findings provide insights into the effect of water on MHPs.
[Display omitted]
•Efficient selective oxidation reactions using planar heterojunction perovskite photocatalyst cells.•Inorganic charge extracting layers boost charge extraction and protect CsPbBr3 from decomposition.•Traces of water enhance photoactivity due to structural reorganization of CsPbBr3.•Planar heterojunction perovskite photocatalyst cells exhibit long-term stability.</description><subject>Benzyl alcohol</subject><subject>Crystal structure</subject><subject>Current carriers</subject><subject>Electromagnetic absorption</subject><subject>Heterojunctions</subject><subject>Metal halide perovskites</subject><subject>Metal halides</subject><subject>Optoelectronics</subject><subject>Oxidation</subject><subject>Perovskites</subject><subject>Photocatalysis</subject><subject>Photocatalysts</subject><subject>Photooxidation</subject><subject>Planar heterojunction</subject><subject>Solar photocatalyst cell</subject><subject>Stability</subject><subject>Titanium dioxide</subject><subject>Water stability</subject><issn>0926-3373</issn><issn>1873-3883</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLxDAQx4MouK5-Aw8Bz62TxOZxEUR8wYIe9BzSNGVTu01Nsgt786PbpR48CQPDwP_B_BC6JFASIPy6K81oTa5LCpSUhILgcIQWRApWMCnZMVqAorxgTLBTdJZSBwCUUblA32-9GUzEa5ddDN12sNmHAdchpJxwCr2JRRP9zg14XIccphrT77O3eHSxDXFjBuuwGRqcsql97_MehxavTe8bd9CEXfr02c1RfzNSxtb1_Tk6aU2f3MXvXqKPx4f3--di9fr0cn-3KiyTkIuqAitVC9IpTsk0oKaL2ZoQ2yghaEU4UbVVNbeS0LoCAdZCWxnOWy44W6KrOXeM4WvrUtZd2MZhqtSUg1SEESUm1c2ssjGkFF2rx-g3Ju41AX1grTs9s9YH1npmPdluZ5ubPth5F3Wy3k1kGh-dzboJ_v-AH_uSi_A</recordid><startdate>202202</startdate><enddate>202202</enddate><creator>Wang, Chunhua</creator><creator>Huang, Haowei</creator><creator>Weng, Bo</creator><creator>Verhaeghe, Davy</creator><creator>Keshavarz, Masoumeh</creator><creator>Jin, Handong</creator><creator>Liu, Biao</creator><creator>Xie, Haipeng</creator><creator>Ding, Yang</creator><creator>Gao, Yujie</creator><creator>Yuan, Haifeng</creator><creator>Steele, Julian A.</creator><creator>Hofkens, Johan</creator><creator>Roeffaers, Maarten B.J.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7ST</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-2901-8189</orcidid><orcidid>https://orcid.org/0000-0002-8216-1291</orcidid><orcidid>https://orcid.org/0000-0001-8337-219X</orcidid><orcidid>https://orcid.org/0000-0001-8872-1360</orcidid></search><sort><creationdate>202202</creationdate><title>Planar heterojunction boosts solar-driven photocatalytic performance and stability of halide perovskite solar photocatalyst cell</title><author>Wang, Chunhua ; Huang, Haowei ; Weng, Bo ; Verhaeghe, Davy ; Keshavarz, Masoumeh ; Jin, Handong ; Liu, Biao ; Xie, Haipeng ; Ding, Yang ; Gao, Yujie ; Yuan, Haifeng ; Steele, Julian A. ; Hofkens, Johan ; Roeffaers, Maarten B.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-550c89f08e9621621099f03cb11cd977251619bc9b6c812b5070cc0f5a66f6763</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Benzyl alcohol</topic><topic>Crystal structure</topic><topic>Current carriers</topic><topic>Electromagnetic absorption</topic><topic>Heterojunctions</topic><topic>Metal halide perovskites</topic><topic>Metal halides</topic><topic>Optoelectronics</topic><topic>Oxidation</topic><topic>Perovskites</topic><topic>Photocatalysis</topic><topic>Photocatalysts</topic><topic>Photooxidation</topic><topic>Planar heterojunction</topic><topic>Solar photocatalyst cell</topic><topic>Stability</topic><topic>Titanium dioxide</topic><topic>Water stability</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Chunhua</creatorcontrib><creatorcontrib>Huang, Haowei</creatorcontrib><creatorcontrib>Weng, Bo</creatorcontrib><creatorcontrib>Verhaeghe, Davy</creatorcontrib><creatorcontrib>Keshavarz, Masoumeh</creatorcontrib><creatorcontrib>Jin, Handong</creatorcontrib><creatorcontrib>Liu, Biao</creatorcontrib><creatorcontrib>Xie, Haipeng</creatorcontrib><creatorcontrib>Ding, Yang</creatorcontrib><creatorcontrib>Gao, Yujie</creatorcontrib><creatorcontrib>Yuan, Haifeng</creatorcontrib><creatorcontrib>Steele, Julian A.</creatorcontrib><creatorcontrib>Hofkens, Johan</creatorcontrib><creatorcontrib>Roeffaers, Maarten B.J.</creatorcontrib><collection>CrossRef</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>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Applied catalysis. B, Environmental</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Chunhua</au><au>Huang, Haowei</au><au>Weng, Bo</au><au>Verhaeghe, Davy</au><au>Keshavarz, Masoumeh</au><au>Jin, Handong</au><au>Liu, Biao</au><au>Xie, Haipeng</au><au>Ding, Yang</au><au>Gao, Yujie</au><au>Yuan, Haifeng</au><au>Steele, Julian A.</au><au>Hofkens, Johan</au><au>Roeffaers, Maarten B.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Planar heterojunction boosts solar-driven photocatalytic performance and stability of halide perovskite solar photocatalyst cell</atitle><jtitle>Applied catalysis. B, Environmental</jtitle><date>2022-02</date><risdate>2022</risdate><volume>301</volume><spage>120760</spage><pages>120760-</pages><artnum>120760</artnum><issn>0926-3373</issn><eissn>1873-3883</eissn><abstract>The excellent optoelectronic properties of metal halide perovskites (MHPs) have been employed in various photocatalytic applications, but their poor water stability is considered as the main bottleneck for further development. Herein, we protect the light-absorbing CsPbBr3 MHP with a NiOx and TiO2 hole and electron extracting layer. This planar NiOx/CsPbBr3/TiO2 architecture can easily be fabricated through solution-processing. When applied to selective photocatalytic oxidation of benzyl alcohol, this system presents a 7-fold enhancement of photoactivity and an improved stability for over 90 h compared to CsPbBr3 counterpart. Interestingly, we find that trace amounts of water improve photoactivity. Through experimental and theoretical analyses, this improvement could be attributed to water-induced structural reorganization of MHP, leading to improved crystal quality and decreased effective masses of charge carriers. This work indicates planar heterojunction helps improve the photoactivity and stability of MHP photocatalyst, and our findings provide insights into the effect of water on MHPs.
[Display omitted]
•Efficient selective oxidation reactions using planar heterojunction perovskite photocatalyst cells.•Inorganic charge extracting layers boost charge extraction and protect CsPbBr3 from decomposition.•Traces of water enhance photoactivity due to structural reorganization of CsPbBr3.•Planar heterojunction perovskite photocatalyst cells exhibit long-term stability.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.apcatb.2021.120760</doi><orcidid>https://orcid.org/0000-0002-2901-8189</orcidid><orcidid>https://orcid.org/0000-0002-8216-1291</orcidid><orcidid>https://orcid.org/0000-0001-8337-219X</orcidid><orcidid>https://orcid.org/0000-0001-8872-1360</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Benzyl alcohol Crystal structure Current carriers Electromagnetic absorption Heterojunctions Metal halide perovskites Metal halides Optoelectronics Oxidation Perovskites Photocatalysis Photocatalysts Photooxidation Planar heterojunction Solar photocatalyst cell Stability Titanium dioxide Water stability |
| title | Planar heterojunction boosts solar-driven photocatalytic performance and stability of halide perovskite solar photocatalyst cell |
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