Highly efficient polymer solar cells via multiple cascade energy level engineering
In this work, we demonstrate the first successful multiple blend polymer solar cells (PSCs) via a multiple cascade energy level alignment strategy which also have more efficient energy transfer pathways. Based on a pristine poly{4,8-bis[(2-ethylhexyl)oxy]benzo[1,2- b :4,5- b ′]dithiophene-2,6-diyl-...
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| Veröffentlicht in: | Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2018, Vol.6 (34), p.9119-9129 |
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| container_title | Journal of materials chemistry. C, Materials for optical and electronic devices |
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| creator | Li, Zuojia Tang, Dongsheng Ji, Zhenkai Zhang, Wei Xu, Xiaopeng Feng, Kui Li, Ying Peng, Qiang |
| description | In this work, we demonstrate the first successful multiple blend polymer solar cells (PSCs)
via
a multiple cascade energy level alignment strategy which also have more efficient energy transfer pathways. Based on a pristine poly{4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-
b
:4,5-
b
′]dithiophene-2,6-diyl-
alt
-3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-
b
]thiophene-4,6-diyl} (PTB7) and [6,6]-phenyl-C
71
-butyric acid methyl ester (PC
71
BM) binary blend, a series of two-dimensional (2D) conjugated benzodithiophene-thiophene copolymers (PBDTT-TABT, PBDTT-TANT and PBDTT-TSNT) were used as additional polymeric additives to finely tune the energy levels, absorption, crystallinity, carrier mobility and morphology of the studied active layer in PSCs. These ternary blends provided more charge and energy transfer channels for improving the photon harvesting, exciton dissociation and carrier transport, giving rise to improved device performances. After adding 10 wt% of these polymeric additives, power conversion efficiencies (PCEs) of 8.96%, 9.35% and 9.18% were achieved for PBDTT-TABT-, PBDTT-TANT- and PBDTT-TSNT-based ternary devices, respectively. By introducing a greater number of different bandgap copolymers with similar molecular backbones, steadier energy level alignment and more charge transfer channels were formed in the devices, without destroying the compatibility and morphology of the active layer, and this could promote further charge transfer more smoothly than the respective binary and ternary PSCs. When 4 wt% PBDTT-TANT, 4 wt% PBDTT-TSNT and 2 wt% PBDTT-TABT were added into the pristine PTB7:PC
71
BM blend, the multiple blend PSCs exhibited the highest PCE of 10.40%, which is the best value for PTB7-based PSCs reported so far. Our work demonstrates a facile design strategy
via
multiple blend engineering to increase open circuit voltage (
V
oc
), short circuit current density (
J
sc
) and fill factor (FF) simultaneously to achieve high-performance PSCs. |
| doi_str_mv | 10.1039/C8TC03024C |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2097192208</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2097192208</sourcerecordid><originalsourceid>FETCH-LOGICAL-c296t-37408b56341e30352cc1a62cdfe15e1e9be63aa2b111be84bcfdc871cbb1ff2b3</originalsourceid><addsrcrecordid>eNpFUFFLwzAYDKLg0L34CwK-CdV8SZumj1LUCQNB5nNJsi81I2tr0g36761M9F7uDo47OEJugN0DE9VDrTY1E4zn9RlZcFawrCxEfv6nubwky5R2bIYCqWS1IO8r336GiaJz3nrsRjr0YdpjpKkPOlKLISR69JruD2H0Q0BqdbJ6ixQ7jO1EAx4xzKb1HWL0XXtNLpwOCZe_fEU-np829Spbv7281o_rzPJKjpkoc6ZMIUUOKJgouLWgJbdbh1AgYGVQCq25AQCDKjfWba0qwRoDznEjrsjtqXeI_dcB09js-kPs5smGs6qEinOm5tTdKWVjn1JE1wzR73WcGmDNz23N_23iGxgOYBQ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2097192208</pqid></control><display><type>article</type><title>Highly efficient polymer solar cells via multiple cascade energy level engineering</title><source>Royal Society Of Chemistry Journals 2008-</source><creator>Li, Zuojia ; Tang, Dongsheng ; Ji, Zhenkai ; Zhang, Wei ; Xu, Xiaopeng ; Feng, Kui ; Li, Ying ; Peng, Qiang</creator><creatorcontrib>Li, Zuojia ; Tang, Dongsheng ; Ji, Zhenkai ; Zhang, Wei ; Xu, Xiaopeng ; Feng, Kui ; Li, Ying ; Peng, Qiang</creatorcontrib><description>In this work, we demonstrate the first successful multiple blend polymer solar cells (PSCs)
via
a multiple cascade energy level alignment strategy which also have more efficient energy transfer pathways. Based on a pristine poly{4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-
b
:4,5-
b
′]dithiophene-2,6-diyl-
alt
-3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-
b
]thiophene-4,6-diyl} (PTB7) and [6,6]-phenyl-C
71
-butyric acid methyl ester (PC
71
BM) binary blend, a series of two-dimensional (2D) conjugated benzodithiophene-thiophene copolymers (PBDTT-TABT, PBDTT-TANT and PBDTT-TSNT) were used as additional polymeric additives to finely tune the energy levels, absorption, crystallinity, carrier mobility and morphology of the studied active layer in PSCs. These ternary blends provided more charge and energy transfer channels for improving the photon harvesting, exciton dissociation and carrier transport, giving rise to improved device performances. After adding 10 wt% of these polymeric additives, power conversion efficiencies (PCEs) of 8.96%, 9.35% and 9.18% were achieved for PBDTT-TABT-, PBDTT-TANT- and PBDTT-TSNT-based ternary devices, respectively. By introducing a greater number of different bandgap copolymers with similar molecular backbones, steadier energy level alignment and more charge transfer channels were formed in the devices, without destroying the compatibility and morphology of the active layer, and this could promote further charge transfer more smoothly than the respective binary and ternary PSCs. When 4 wt% PBDTT-TANT, 4 wt% PBDTT-TSNT and 2 wt% PBDTT-TABT were added into the pristine PTB7:PC
71
BM blend, the multiple blend PSCs exhibited the highest PCE of 10.40%, which is the best value for PTB7-based PSCs reported so far. Our work demonstrates a facile design strategy
via
multiple blend engineering to increase open circuit voltage (
V
oc
), short circuit current density (
J
sc
) and fill factor (FF) simultaneously to achieve high-performance PSCs.</description><identifier>ISSN: 2050-7526</identifier><identifier>EISSN: 2050-7534</identifier><identifier>DOI: 10.1039/C8TC03024C</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Addition polymerization ; Additives ; Alignment ; Butyric acid ; Carbonyls ; Carrier mobility ; Carrier transport ; Channels ; Charge transfer ; Circuit design ; Circuits ; Copolymers ; Design engineering ; Energy ; Energy conversion efficiency ; Energy gap ; Energy levels ; Energy of dissociation ; Energy transfer ; Morphology ; Open circuit voltage ; Performance enhancement ; Photovoltaic cells ; Short circuit currents ; Solar cells</subject><ispartof>Journal of materials chemistry. C, Materials for optical and electronic devices, 2018, Vol.6 (34), p.9119-9129</ispartof><rights>Copyright Royal Society of Chemistry 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c296t-37408b56341e30352cc1a62cdfe15e1e9be63aa2b111be84bcfdc871cbb1ff2b3</citedby><cites>FETCH-LOGICAL-c296t-37408b56341e30352cc1a62cdfe15e1e9be63aa2b111be84bcfdc871cbb1ff2b3</cites><orcidid>0000-0002-0536-2313</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids></links><search><creatorcontrib>Li, Zuojia</creatorcontrib><creatorcontrib>Tang, Dongsheng</creatorcontrib><creatorcontrib>Ji, Zhenkai</creatorcontrib><creatorcontrib>Zhang, Wei</creatorcontrib><creatorcontrib>Xu, Xiaopeng</creatorcontrib><creatorcontrib>Feng, Kui</creatorcontrib><creatorcontrib>Li, Ying</creatorcontrib><creatorcontrib>Peng, Qiang</creatorcontrib><title>Highly efficient polymer solar cells via multiple cascade energy level engineering</title><title>Journal of materials chemistry. C, Materials for optical and electronic devices</title><description>In this work, we demonstrate the first successful multiple blend polymer solar cells (PSCs)
via
a multiple cascade energy level alignment strategy which also have more efficient energy transfer pathways. Based on a pristine poly{4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-
b
:4,5-
b
′]dithiophene-2,6-diyl-
alt
-3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-
b
]thiophene-4,6-diyl} (PTB7) and [6,6]-phenyl-C
71
-butyric acid methyl ester (PC
71
BM) binary blend, a series of two-dimensional (2D) conjugated benzodithiophene-thiophene copolymers (PBDTT-TABT, PBDTT-TANT and PBDTT-TSNT) were used as additional polymeric additives to finely tune the energy levels, absorption, crystallinity, carrier mobility and morphology of the studied active layer in PSCs. These ternary blends provided more charge and energy transfer channels for improving the photon harvesting, exciton dissociation and carrier transport, giving rise to improved device performances. After adding 10 wt% of these polymeric additives, power conversion efficiencies (PCEs) of 8.96%, 9.35% and 9.18% were achieved for PBDTT-TABT-, PBDTT-TANT- and PBDTT-TSNT-based ternary devices, respectively. By introducing a greater number of different bandgap copolymers with similar molecular backbones, steadier energy level alignment and more charge transfer channels were formed in the devices, without destroying the compatibility and morphology of the active layer, and this could promote further charge transfer more smoothly than the respective binary and ternary PSCs. When 4 wt% PBDTT-TANT, 4 wt% PBDTT-TSNT and 2 wt% PBDTT-TABT were added into the pristine PTB7:PC
71
BM blend, the multiple blend PSCs exhibited the highest PCE of 10.40%, which is the best value for PTB7-based PSCs reported so far. Our work demonstrates a facile design strategy
via
multiple blend engineering to increase open circuit voltage (
V
oc
), short circuit current density (
J
sc
) and fill factor (FF) simultaneously to achieve high-performance PSCs.</description><subject>Addition polymerization</subject><subject>Additives</subject><subject>Alignment</subject><subject>Butyric acid</subject><subject>Carbonyls</subject><subject>Carrier mobility</subject><subject>Carrier transport</subject><subject>Channels</subject><subject>Charge transfer</subject><subject>Circuit design</subject><subject>Circuits</subject><subject>Copolymers</subject><subject>Design engineering</subject><subject>Energy</subject><subject>Energy conversion efficiency</subject><subject>Energy gap</subject><subject>Energy levels</subject><subject>Energy of dissociation</subject><subject>Energy transfer</subject><subject>Morphology</subject><subject>Open circuit voltage</subject><subject>Performance enhancement</subject><subject>Photovoltaic cells</subject><subject>Short circuit currents</subject><subject>Solar cells</subject><issn>2050-7526</issn><issn>2050-7534</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNpFUFFLwzAYDKLg0L34CwK-CdV8SZumj1LUCQNB5nNJsi81I2tr0g36761M9F7uDo47OEJugN0DE9VDrTY1E4zn9RlZcFawrCxEfv6nubwky5R2bIYCqWS1IO8r336GiaJz3nrsRjr0YdpjpKkPOlKLISR69JruD2H0Q0BqdbJ6ixQ7jO1EAx4xzKb1HWL0XXtNLpwOCZe_fEU-np829Spbv7281o_rzPJKjpkoc6ZMIUUOKJgouLWgJbdbh1AgYGVQCq25AQCDKjfWba0qwRoDznEjrsjtqXeI_dcB09js-kPs5smGs6qEinOm5tTdKWVjn1JE1wzR73WcGmDNz23N_23iGxgOYBQ</recordid><startdate>2018</startdate><enddate>2018</enddate><creator>Li, Zuojia</creator><creator>Tang, Dongsheng</creator><creator>Ji, Zhenkai</creator><creator>Zhang, Wei</creator><creator>Xu, Xiaopeng</creator><creator>Feng, Kui</creator><creator>Li, Ying</creator><creator>Peng, Qiang</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-0536-2313</orcidid></search><sort><creationdate>2018</creationdate><title>Highly efficient polymer solar cells via multiple cascade energy level engineering</title><author>Li, Zuojia ; Tang, Dongsheng ; Ji, Zhenkai ; Zhang, Wei ; Xu, Xiaopeng ; Feng, Kui ; Li, Ying ; Peng, Qiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c296t-37408b56341e30352cc1a62cdfe15e1e9be63aa2b111be84bcfdc871cbb1ff2b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Addition polymerization</topic><topic>Additives</topic><topic>Alignment</topic><topic>Butyric acid</topic><topic>Carbonyls</topic><topic>Carrier mobility</topic><topic>Carrier transport</topic><topic>Channels</topic><topic>Charge transfer</topic><topic>Circuit design</topic><topic>Circuits</topic><topic>Copolymers</topic><topic>Design engineering</topic><topic>Energy</topic><topic>Energy conversion efficiency</topic><topic>Energy gap</topic><topic>Energy levels</topic><topic>Energy of dissociation</topic><topic>Energy transfer</topic><topic>Morphology</topic><topic>Open circuit voltage</topic><topic>Performance enhancement</topic><topic>Photovoltaic cells</topic><topic>Short circuit currents</topic><topic>Solar cells</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Zuojia</creatorcontrib><creatorcontrib>Tang, Dongsheng</creatorcontrib><creatorcontrib>Ji, Zhenkai</creatorcontrib><creatorcontrib>Zhang, Wei</creatorcontrib><creatorcontrib>Xu, Xiaopeng</creatorcontrib><creatorcontrib>Feng, Kui</creatorcontrib><creatorcontrib>Li, Ying</creatorcontrib><creatorcontrib>Peng, Qiang</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of materials chemistry. C, Materials for optical and electronic devices</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Zuojia</au><au>Tang, Dongsheng</au><au>Ji, Zhenkai</au><au>Zhang, Wei</au><au>Xu, Xiaopeng</au><au>Feng, Kui</au><au>Li, Ying</au><au>Peng, Qiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Highly efficient polymer solar cells via multiple cascade energy level engineering</atitle><jtitle>Journal of materials chemistry. C, Materials for optical and electronic devices</jtitle><date>2018</date><risdate>2018</risdate><volume>6</volume><issue>34</issue><spage>9119</spage><epage>9129</epage><pages>9119-9129</pages><issn>2050-7526</issn><eissn>2050-7534</eissn><abstract>In this work, we demonstrate the first successful multiple blend polymer solar cells (PSCs)
via
a multiple cascade energy level alignment strategy which also have more efficient energy transfer pathways. Based on a pristine poly{4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-
b
:4,5-
b
′]dithiophene-2,6-diyl-
alt
-3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-
b
]thiophene-4,6-diyl} (PTB7) and [6,6]-phenyl-C
71
-butyric acid methyl ester (PC
71
BM) binary blend, a series of two-dimensional (2D) conjugated benzodithiophene-thiophene copolymers (PBDTT-TABT, PBDTT-TANT and PBDTT-TSNT) were used as additional polymeric additives to finely tune the energy levels, absorption, crystallinity, carrier mobility and morphology of the studied active layer in PSCs. These ternary blends provided more charge and energy transfer channels for improving the photon harvesting, exciton dissociation and carrier transport, giving rise to improved device performances. After adding 10 wt% of these polymeric additives, power conversion efficiencies (PCEs) of 8.96%, 9.35% and 9.18% were achieved for PBDTT-TABT-, PBDTT-TANT- and PBDTT-TSNT-based ternary devices, respectively. By introducing a greater number of different bandgap copolymers with similar molecular backbones, steadier energy level alignment and more charge transfer channels were formed in the devices, without destroying the compatibility and morphology of the active layer, and this could promote further charge transfer more smoothly than the respective binary and ternary PSCs. When 4 wt% PBDTT-TANT, 4 wt% PBDTT-TSNT and 2 wt% PBDTT-TABT were added into the pristine PTB7:PC
71
BM blend, the multiple blend PSCs exhibited the highest PCE of 10.40%, which is the best value for PTB7-based PSCs reported so far. Our work demonstrates a facile design strategy
via
multiple blend engineering to increase open circuit voltage (
V
oc
), short circuit current density (
J
sc
) and fill factor (FF) simultaneously to achieve high-performance PSCs.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/C8TC03024C</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-0536-2313</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2050-7526 |
| ispartof | Journal of materials chemistry. C, Materials for optical and electronic devices, 2018, Vol.6 (34), p.9119-9129 |
| issn | 2050-7526 2050-7534 |
| language | eng |
| recordid | cdi_proquest_journals_2097192208 |
| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Addition polymerization Additives Alignment Butyric acid Carbonyls Carrier mobility Carrier transport Channels Charge transfer Circuit design Circuits Copolymers Design engineering Energy Energy conversion efficiency Energy gap Energy levels Energy of dissociation Energy transfer Morphology Open circuit voltage Performance enhancement Photovoltaic cells Short circuit currents Solar cells |
| title | Highly efficient polymer solar cells via multiple cascade energy level engineering |
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