Molecular Electron Acceptor Designed by Modulating Quinoidal-Resonance Effect for Organic Solar Cell Application
In this work, two new low-bandgap electron acceptors NITI-SeS and NITI-SSe that use electron-rich 2-alkylselenopheno[3,4-b]thiophene and 2-alkylselenopheno[2,3-c]thiophene with different quinoidal-resonance effect as π-bridges to link the weak electron-donating indenoindene core and the strong elect...
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| Veröffentlicht in: | Bulletin of the Chemical Society of Japan 2021-03, Vol.94 (3), p.929-936 |
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| creator | Zhou, Zichun Xu, Shengjie Zhu, Xiaozhang |
| description | In this work, two new low-bandgap electron acceptors NITI-SeS and NITI-SSe that use electron-rich 2-alkylselenopheno[3,4-b]thiophene and 2-alkylselenopheno[2,3-c]thiophene with different quinoidal-resonance effect as π-bridges to link the weak electron-donating indenoindene core and the strong electron-accepting INCN-2F terminal are designed and synthesized. NITI-SeS that has a selenium atom in the main ring shows an obviously redshift absorption, leading to a low optical bandgap of 1.46 eV in thin film. By matching two acceptors with the polymer donor PBDB-T, the NITI-SSe-based device delivered a higher PCE of 12.49% with an open-circuit voltage of 0.91 V, a short-circuit current of 19.41 mA cm−2, and a fill factor of 0.70. This work reveals a convenient but effective method to finely tune the bandgap of non-fullerene acceptors for high-efficiency OSCs. |
| doi_str_mv | 10.1246/bcsj.20200322 |
| format | Article |
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NITI-SeS that has a selenium atom in the main ring shows an obviously redshift absorption, leading to a low optical bandgap of 1.46 eV in thin film. By matching two acceptors with the polymer donor PBDB-T, the NITI-SSe-based device delivered a higher PCE of 12.49% with an open-circuit voltage of 0.91 V, a short-circuit current of 19.41 mA cm−2, and a fill factor of 0.70. This work reveals a convenient but effective method to finely tune the bandgap of non-fullerene acceptors for high-efficiency OSCs.</description><identifier>ISSN: 0009-2673</identifier><identifier>EISSN: 1348-0634</identifier><identifier>DOI: 10.1246/bcsj.20200322</identifier><language>eng</language><publisher>Tokyo: The Chemical Society of Japan</publisher><subject>Blue shift ; Circuits ; Electrons ; Energy gap ; Frontiers of Molecular Science ; Fullerenes ; Open circuit voltage ; Photovoltaic cells ; Red shift ; Resonance ; Selenium ; Short circuit currents ; Solar cells ; Synthesis ; Thin films</subject><ispartof>Bulletin of the Chemical Society of Japan, 2021-03, Vol.94 (3), p.929-936</ispartof><rights>The Chemical Society of Japan</rights><rights>Copyright Chemical Society of Japan 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c520t-4e3a9cb4e9200f38efd865910c5aae047c6fa72b24aa7682719105daf8b2e5383</citedby><cites>FETCH-LOGICAL-c520t-4e3a9cb4e9200f38efd865910c5aae047c6fa72b24aa7682719105daf8b2e5383</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Zhou, Zichun</creatorcontrib><creatorcontrib>Xu, Shengjie</creatorcontrib><creatorcontrib>Zhu, Xiaozhang</creatorcontrib><title>Molecular Electron Acceptor Designed by Modulating Quinoidal-Resonance Effect for Organic Solar Cell Application</title><title>Bulletin of the Chemical Society of Japan</title><description>In this work, two new low-bandgap electron acceptors NITI-SeS and NITI-SSe that use electron-rich 2-alkylselenopheno[3,4-b]thiophene and 2-alkylselenopheno[2,3-c]thiophene with different quinoidal-resonance effect as π-bridges to link the weak electron-donating indenoindene core and the strong electron-accepting INCN-2F terminal are designed and synthesized. NITI-SeS that has a selenium atom in the main ring shows an obviously redshift absorption, leading to a low optical bandgap of 1.46 eV in thin film. By matching two acceptors with the polymer donor PBDB-T, the NITI-SSe-based device delivered a higher PCE of 12.49% with an open-circuit voltage of 0.91 V, a short-circuit current of 19.41 mA cm−2, and a fill factor of 0.70. This work reveals a convenient but effective method to finely tune the bandgap of non-fullerene acceptors for high-efficiency OSCs.</description><subject>Blue shift</subject><subject>Circuits</subject><subject>Electrons</subject><subject>Energy gap</subject><subject>Frontiers of Molecular Science</subject><subject>Fullerenes</subject><subject>Open circuit voltage</subject><subject>Photovoltaic cells</subject><subject>Red shift</subject><subject>Resonance</subject><subject>Selenium</subject><subject>Short circuit currents</subject><subject>Solar cells</subject><subject>Synthesis</subject><subject>Thin films</subject><issn>0009-2673</issn><issn>1348-0634</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNptkElPwzAQhS0EEqVw5G6Jc4pjOxu3qpRFoqrYzpHjjIsj1w52cui_x1WLuHCaGc335mkeQtcpmaWU57eNDN2MEkoIo_QETVLGy4TkjJ-iCSGkSmhesHN0EUIXxzLj1QT1K2dAjkZ4vIzN4J3FcymhH5zH9xD0xkKLmx1euTZSg7Yb_Dpq63QrTPIGwVlhJeClUlGNVVSt_UZYLfG7219dgDF43vdGy6h29hKdKWECXB3rFH0-LD8WT8nL-vF5MX9JZEbJkHBgopINhyq-o1gJqi3zrEqJzIQAwguZK1HQhnIhirykRRp3WStU2VDIWMmm6OZwt_fue4Qw1J0bvY2WNY0OWUppTiKVHCjpXQgeVN17vRV-V6ek3oda70Otf0ON_N2R_4Jt_MgEJzUMu070wv45_C_-AeUqfyo</recordid><startdate>20210315</startdate><enddate>20210315</enddate><creator>Zhou, Zichun</creator><creator>Xu, Shengjie</creator><creator>Zhu, Xiaozhang</creator><general>The Chemical Society of Japan</general><general>Chemical Society of Japan</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20210315</creationdate><title>Molecular Electron Acceptor Designed by Modulating Quinoidal-Resonance Effect for Organic Solar Cell Application</title><author>Zhou, Zichun ; Xu, Shengjie ; Zhu, Xiaozhang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c520t-4e3a9cb4e9200f38efd865910c5aae047c6fa72b24aa7682719105daf8b2e5383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Blue shift</topic><topic>Circuits</topic><topic>Electrons</topic><topic>Energy gap</topic><topic>Frontiers of Molecular Science</topic><topic>Fullerenes</topic><topic>Open circuit voltage</topic><topic>Photovoltaic cells</topic><topic>Red shift</topic><topic>Resonance</topic><topic>Selenium</topic><topic>Short circuit currents</topic><topic>Solar cells</topic><topic>Synthesis</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhou, Zichun</creatorcontrib><creatorcontrib>Xu, Shengjie</creatorcontrib><creatorcontrib>Zhu, Xiaozhang</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Bulletin of the Chemical Society of Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhou, Zichun</au><au>Xu, Shengjie</au><au>Zhu, Xiaozhang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Molecular Electron Acceptor Designed by Modulating Quinoidal-Resonance Effect for Organic Solar Cell Application</atitle><jtitle>Bulletin of the Chemical Society of Japan</jtitle><date>2021-03-15</date><risdate>2021</risdate><volume>94</volume><issue>3</issue><spage>929</spage><epage>936</epage><pages>929-936</pages><issn>0009-2673</issn><eissn>1348-0634</eissn><abstract>In this work, two new low-bandgap electron acceptors NITI-SeS and NITI-SSe that use electron-rich 2-alkylselenopheno[3,4-b]thiophene and 2-alkylselenopheno[2,3-c]thiophene with different quinoidal-resonance effect as π-bridges to link the weak electron-donating indenoindene core and the strong electron-accepting INCN-2F terminal are designed and synthesized. NITI-SeS that has a selenium atom in the main ring shows an obviously redshift absorption, leading to a low optical bandgap of 1.46 eV in thin film. By matching two acceptors with the polymer donor PBDB-T, the NITI-SSe-based device delivered a higher PCE of 12.49% with an open-circuit voltage of 0.91 V, a short-circuit current of 19.41 mA cm−2, and a fill factor of 0.70. This work reveals a convenient but effective method to finely tune the bandgap of non-fullerene acceptors for high-efficiency OSCs.</abstract><cop>Tokyo</cop><pub>The Chemical Society of Japan</pub><doi>10.1246/bcsj.20200322</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Bulletin of the Chemical Society of Japan, 2021-03, Vol.94 (3), p.929-936 |
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| source | Oxford University Press Journals All Titles (1996-Current) |
| subjects | Blue shift Circuits Electrons Energy gap Frontiers of Molecular Science Fullerenes Open circuit voltage Photovoltaic cells Red shift Resonance Selenium Short circuit currents Solar cells Synthesis Thin films |
| title | Molecular Electron Acceptor Designed by Modulating Quinoidal-Resonance Effect for Organic Solar Cell Application |
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