Chlorination and thiophene strategies to adjust molecular energy levels for high-performance organic polymer solar cells
Three BT-based polymers were built through effective side-chain chlorination strategies and thiophene-induced approaches. The devices based on polymer delivered the best efficiency of 5.73 %. [Display omitted] •Polymers were built through chlorination and thiophene-induced approachs.•The efficiency...
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| Veröffentlicht in: | Synthetic metals 2020-10, Vol.268, p.116509, Article 116509 |
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| creator | Chu, Chu Ni, Cailing He, Anwang Qin, Yuancheng |
| description | Three BT-based polymers were built through effective side-chain chlorination strategies and thiophene-induced approaches. The devices based on polymer delivered the best efficiency of 5.73 %.
[Display omitted]
•Polymers were built through chlorination and thiophene-induced approachs.•The efficiency of device is improved.•PBDBT-1 gave the best device efficiency of 5.73 %.
Three novel polymers with D-A (π)-BT backbone, PBDBT-0, PBDBT-1, and PBDBT-2, were built through effective side-chain chlorination strategies and thiophene-induced approaches. Meanwhile, the effect of different thiophene numbers was studied. As expected, all of the chlorinated polymers showed low HOMO levels. The introduction of the thiophene unit improved the solubility of the polymer and slightly adjusted the energy level of the molecule. Furthermore, polymers as donors and PC71BM as acceptors are used to construct organic solar cell devices. The devices based on polymer PBDBT-1 with one thiophene unit delivered the best efficiency of 5.73 % with an open-circuit voltage of 0.85 V, a short-circuit current density of 13.07 mA cm−2 and a fill factor of 51.6 %, which is superior to that of PBDBT-0 and PBDBT-2. |
| doi_str_mv | 10.1016/j.synthmet.2020.116509 |
| format | Article |
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[Display omitted]
•Polymers were built through chlorination and thiophene-induced approachs.•The efficiency of device is improved.•PBDBT-1 gave the best device efficiency of 5.73 %.
Three novel polymers with D-A (π)-BT backbone, PBDBT-0, PBDBT-1, and PBDBT-2, were built through effective side-chain chlorination strategies and thiophene-induced approaches. Meanwhile, the effect of different thiophene numbers was studied. As expected, all of the chlorinated polymers showed low HOMO levels. The introduction of the thiophene unit improved the solubility of the polymer and slightly adjusted the energy level of the molecule. Furthermore, polymers as donors and PC71BM as acceptors are used to construct organic solar cell devices. The devices based on polymer PBDBT-1 with one thiophene unit delivered the best efficiency of 5.73 % with an open-circuit voltage of 0.85 V, a short-circuit current density of 13.07 mA cm−2 and a fill factor of 51.6 %, which is superior to that of PBDBT-0 and PBDBT-2.</description><identifier>ISSN: 0379-6779</identifier><identifier>EISSN: 1879-3290</identifier><identifier>DOI: 10.1016/j.synthmet.2020.116509</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Chlorination ; Circuits ; Energy levels ; Molecular energy levels ; Open circuit voltage ; Photovoltaic cells ; Polymer solar cell ; Polymers ; Short circuit currents ; Solar cells ; Thiophene</subject><ispartof>Synthetic metals, 2020-10, Vol.268, p.116509, Article 116509</ispartof><rights>2020 Elsevier B.V.</rights><rights>Copyright Elsevier BV Oct 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-bc9073c90a60779831a7b78cf32cd2f4439b540f6cc626d6ed403d75bd068f083</citedby><cites>FETCH-LOGICAL-c340t-bc9073c90a60779831a7b78cf32cd2f4439b540f6cc626d6ed403d75bd068f083</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.synthmet.2020.116509$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,27911,27912,45982</link.rule.ids></links><search><creatorcontrib>Chu, Chu</creatorcontrib><creatorcontrib>Ni, Cailing</creatorcontrib><creatorcontrib>He, Anwang</creatorcontrib><creatorcontrib>Qin, Yuancheng</creatorcontrib><title>Chlorination and thiophene strategies to adjust molecular energy levels for high-performance organic polymer solar cells</title><title>Synthetic metals</title><description>Three BT-based polymers were built through effective side-chain chlorination strategies and thiophene-induced approaches. The devices based on polymer delivered the best efficiency of 5.73 %.
[Display omitted]
•Polymers were built through chlorination and thiophene-induced approachs.•The efficiency of device is improved.•PBDBT-1 gave the best device efficiency of 5.73 %.
Three novel polymers with D-A (π)-BT backbone, PBDBT-0, PBDBT-1, and PBDBT-2, were built through effective side-chain chlorination strategies and thiophene-induced approaches. Meanwhile, the effect of different thiophene numbers was studied. As expected, all of the chlorinated polymers showed low HOMO levels. The introduction of the thiophene unit improved the solubility of the polymer and slightly adjusted the energy level of the molecule. Furthermore, polymers as donors and PC71BM as acceptors are used to construct organic solar cell devices. The devices based on polymer PBDBT-1 with one thiophene unit delivered the best efficiency of 5.73 % with an open-circuit voltage of 0.85 V, a short-circuit current density of 13.07 mA cm−2 and a fill factor of 51.6 %, which is superior to that of PBDBT-0 and PBDBT-2.</description><subject>Chlorination</subject><subject>Circuits</subject><subject>Energy levels</subject><subject>Molecular energy levels</subject><subject>Open circuit voltage</subject><subject>Photovoltaic cells</subject><subject>Polymer solar cell</subject><subject>Polymers</subject><subject>Short circuit currents</subject><subject>Solar cells</subject><subject>Thiophene</subject><issn>0379-6779</issn><issn>1879-3290</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFkE2L2zAQhkXpQtN0_0IR9OzsyLJl-9YS2t2FwF62Z6FI41hGtlxJDs2_r0K6573MDMP7zsdDyFcGOwZMPIy7eJnTMGHalVDmJhM1dB_IhrVNV_Cyg49kAzzXomm6T-RzjCMAsK6sN-TvfnA-2Fkl62eqZkPTYP0y4Iw0pqASnixGmjxVZlxjopN3qFenAs2ScLpQh2d0kfY-0MGehmLBkOtJzRqpDyc1W00X7y4TBhr91ajRufiF3PXKRbz_n7fk96-fr_un4vDy-Lz_cSg0ryAVR91Bw3NQAvL1LWeqOTat7nmpTdlXFe-OdQW90FqUwgg0FXDT1EcDou2h5Vvy7TZ3Cf7PijHJ0a9hzitlWTUtY1DXdVaJm0oHH2PAXi7BTipcJAN5pSxH-UZZXinLG-Vs_H4zZgZ4thhk1Bbz78YG1Ekab98b8Q_UwIwk</recordid><startdate>202010</startdate><enddate>202010</enddate><creator>Chu, Chu</creator><creator>Ni, Cailing</creator><creator>He, Anwang</creator><creator>Qin, Yuancheng</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>202010</creationdate><title>Chlorination and thiophene strategies to adjust molecular energy levels for high-performance organic polymer solar cells</title><author>Chu, Chu ; Ni, Cailing ; He, Anwang ; Qin, Yuancheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-bc9073c90a60779831a7b78cf32cd2f4439b540f6cc626d6ed403d75bd068f083</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Chlorination</topic><topic>Circuits</topic><topic>Energy levels</topic><topic>Molecular energy levels</topic><topic>Open circuit voltage</topic><topic>Photovoltaic cells</topic><topic>Polymer solar cell</topic><topic>Polymers</topic><topic>Short circuit currents</topic><topic>Solar cells</topic><topic>Thiophene</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chu, Chu</creatorcontrib><creatorcontrib>Ni, Cailing</creatorcontrib><creatorcontrib>He, Anwang</creatorcontrib><creatorcontrib>Qin, Yuancheng</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Synthetic metals</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chu, Chu</au><au>Ni, Cailing</au><au>He, Anwang</au><au>Qin, Yuancheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Chlorination and thiophene strategies to adjust molecular energy levels for high-performance organic polymer solar cells</atitle><jtitle>Synthetic metals</jtitle><date>2020-10</date><risdate>2020</risdate><volume>268</volume><spage>116509</spage><pages>116509-</pages><artnum>116509</artnum><issn>0379-6779</issn><eissn>1879-3290</eissn><abstract>Three BT-based polymers were built through effective side-chain chlorination strategies and thiophene-induced approaches. The devices based on polymer delivered the best efficiency of 5.73 %.
[Display omitted]
•Polymers were built through chlorination and thiophene-induced approachs.•The efficiency of device is improved.•PBDBT-1 gave the best device efficiency of 5.73 %.
Three novel polymers with D-A (π)-BT backbone, PBDBT-0, PBDBT-1, and PBDBT-2, were built through effective side-chain chlorination strategies and thiophene-induced approaches. Meanwhile, the effect of different thiophene numbers was studied. As expected, all of the chlorinated polymers showed low HOMO levels. The introduction of the thiophene unit improved the solubility of the polymer and slightly adjusted the energy level of the molecule. Furthermore, polymers as donors and PC71BM as acceptors are used to construct organic solar cell devices. The devices based on polymer PBDBT-1 with one thiophene unit delivered the best efficiency of 5.73 % with an open-circuit voltage of 0.85 V, a short-circuit current density of 13.07 mA cm−2 and a fill factor of 51.6 %, which is superior to that of PBDBT-0 and PBDBT-2.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.synthmet.2020.116509</doi></addata></record> |
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| identifier | ISSN: 0379-6779 |
| ispartof | Synthetic metals, 2020-10, Vol.268, p.116509, Article 116509 |
| issn | 0379-6779 1879-3290 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Chlorination Circuits Energy levels Molecular energy levels Open circuit voltage Photovoltaic cells Polymer solar cell Polymers Short circuit currents Solar cells Thiophene |
| title | Chlorination and thiophene strategies to adjust molecular energy levels for high-performance organic polymer solar cells |
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