A strong influence of the positions of solubilizing alkyl side chains on optoelectronic and photovoltaic properties of TTBTBTT-based conjugated polymers
We report the synthesis and comparative study of five conjugated polymers P1–P5 with different arrangements of two solubilizing 2-ethylhexyl side chains in their repeating units. It has been shown that positioning of the alkyl substituents affects strongly frontier energy levels of the polymers and...
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| Veröffentlicht in: | Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2015-01, Vol.3 (7), p.1497-1506 |
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| container_title | Journal of materials chemistry. C, Materials for optical and electronic devices |
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| creator | Akkuratov, A. V. Susarova, D. K. Moskvin, Y. L. Anokhin, D. V. Chernyak, A. V. Prudnov, F. A. Novikov, D. V. Babenko, S. D. Troshin, P. A. |
| description | We report the synthesis and comparative study of five conjugated polymers
P1–P5
with different arrangements of two solubilizing 2-ethylhexyl side chains in their repeating units. It has been shown that positioning of the alkyl substituents affects strongly frontier energy levels of the polymers and results in variation of their optical band gaps between 1.65 and 2.0 eV. The highest (2.8 × 10
−4
cm
2
V
−1
s
−1
) and the lowest (2.4 × 10
−5
cm
2
V
−1
s
−1
) charge carrier mobilities determined for the polymers
P1
and
P5
, respectively, using a SCLC technique differ by more than one order of magnitude. GIWAXS measurements also revealed very different degrees of molecular ordering in the films of polymers
P1–P5
which correlate well with the SCLC mobility data and solid state photoluminescence spectra of these materials. The bulk heterojunction solar cells based on the composites of polymers
P1–P5
with [60]PCBM demonstrated power conversion efficiencies ranging from 0.6% (
P5
) to 5.1% (
P1
) thus evidencing a strong influence of the alkyl side chains on the photovoltaic performance of the designed polymer-based materials. |
| doi_str_mv | 10.1039/C4TC02432J |
| format | Article |
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P1–P5
with different arrangements of two solubilizing 2-ethylhexyl side chains in their repeating units. It has been shown that positioning of the alkyl substituents affects strongly frontier energy levels of the polymers and results in variation of their optical band gaps between 1.65 and 2.0 eV. The highest (2.8 × 10
−4
cm
2
V
−1
s
−1
) and the lowest (2.4 × 10
−5
cm
2
V
−1
s
−1
) charge carrier mobilities determined for the polymers
P1
and
P5
, respectively, using a SCLC technique differ by more than one order of magnitude. GIWAXS measurements also revealed very different degrees of molecular ordering in the films of polymers
P1–P5
which correlate well with the SCLC mobility data and solid state photoluminescence spectra of these materials. The bulk heterojunction solar cells based on the composites of polymers
P1–P5
with [60]PCBM demonstrated power conversion efficiencies ranging from 0.6% (
P5
) to 5.1% (
P1
) thus evidencing a strong influence of the alkyl side chains on the photovoltaic performance of the designed polymer-based materials.</description><identifier>ISSN: 2050-7526</identifier><identifier>EISSN: 2050-7534</identifier><identifier>DOI: 10.1039/C4TC02432J</identifier><language>eng</language><subject>Energy gaps (solid state) ; Order disorder ; Photonic band gaps ; Photovoltaic cells ; Polymer matrix composites ; Polymers ; Solar cells ; Spectra</subject><ispartof>Journal of materials chemistry. C, Materials for optical and electronic devices, 2015-01, Vol.3 (7), p.1497-1506</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c330t-ad9821a340121d9756471ceadbe654d6841ca50170546bef7a8a3faf148745bb3</citedby><cites>FETCH-LOGICAL-c330t-ad9821a340121d9756471ceadbe654d6841ca50170546bef7a8a3faf148745bb3</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>Akkuratov, A. V.</creatorcontrib><creatorcontrib>Susarova, D. K.</creatorcontrib><creatorcontrib>Moskvin, Y. L.</creatorcontrib><creatorcontrib>Anokhin, D. V.</creatorcontrib><creatorcontrib>Chernyak, A. V.</creatorcontrib><creatorcontrib>Prudnov, F. A.</creatorcontrib><creatorcontrib>Novikov, D. V.</creatorcontrib><creatorcontrib>Babenko, S. D.</creatorcontrib><creatorcontrib>Troshin, P. A.</creatorcontrib><title>A strong influence of the positions of solubilizing alkyl side chains on optoelectronic and photovoltaic properties of TTBTBTT-based conjugated polymers</title><title>Journal of materials chemistry. C, Materials for optical and electronic devices</title><description>We report the synthesis and comparative study of five conjugated polymers
P1–P5
with different arrangements of two solubilizing 2-ethylhexyl side chains in their repeating units. It has been shown that positioning of the alkyl substituents affects strongly frontier energy levels of the polymers and results in variation of their optical band gaps between 1.65 and 2.0 eV. The highest (2.8 × 10
−4
cm
2
V
−1
s
−1
) and the lowest (2.4 × 10
−5
cm
2
V
−1
s
−1
) charge carrier mobilities determined for the polymers
P1
and
P5
, respectively, using a SCLC technique differ by more than one order of magnitude. GIWAXS measurements also revealed very different degrees of molecular ordering in the films of polymers
P1–P5
which correlate well with the SCLC mobility data and solid state photoluminescence spectra of these materials. The bulk heterojunction solar cells based on the composites of polymers
P1–P5
with [60]PCBM demonstrated power conversion efficiencies ranging from 0.6% (
P5
) to 5.1% (
P1
) thus evidencing a strong influence of the alkyl side chains on the photovoltaic performance of the designed polymer-based materials.</description><subject>Energy gaps (solid state)</subject><subject>Order disorder</subject><subject>Photonic band gaps</subject><subject>Photovoltaic cells</subject><subject>Polymer matrix composites</subject><subject>Polymers</subject><subject>Solar cells</subject><subject>Spectra</subject><issn>2050-7526</issn><issn>2050-7534</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNpFkc1KxDAUhYMoOOhsfIIsRagmTZqmy3HwlwE3dV3S9HYmY6apSSqMT-Lj2jqi9y7u4fBxuHAQuqDkmhJW3Cx5uSQpZ-nzEZqlJCNJnjF-_KdTcYrmIWzJOJIKKYoZ-lrgEL3r1th0rR2g04Bdi-MGcO-CicZ1YTKCs0NtrPk0I6rs297iYBrAeqPMRHTY9dGBBT2lGY1V1-B-46L7cDaq0ei968FHAz95ZXk7bpnUKkCDteu2w1rFUfbO7nfgwzk6aZUNMP-9Z-j1_q5cPiarl4en5WKVaMZITFRTyJQqxglNaVPkmeA51aCaGkTGGyE51SojNCcZFzW0uZKKtaqlXOY8q2t2hi4PueN_7wOEWO1M0GCt6sANoaJCFFJSRumIXh1Q7V0IHtqq92an_L6ipJoaqP4bYN_adHt_</recordid><startdate>20150101</startdate><enddate>20150101</enddate><creator>Akkuratov, A. V.</creator><creator>Susarova, D. K.</creator><creator>Moskvin, Y. L.</creator><creator>Anokhin, D. V.</creator><creator>Chernyak, A. V.</creator><creator>Prudnov, F. A.</creator><creator>Novikov, D. V.</creator><creator>Babenko, S. D.</creator><creator>Troshin, P. A.</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20150101</creationdate><title>A strong influence of the positions of solubilizing alkyl side chains on optoelectronic and photovoltaic properties of TTBTBTT-based conjugated polymers</title><author>Akkuratov, A. V. ; Susarova, D. K. ; Moskvin, Y. L. ; Anokhin, D. V. ; Chernyak, A. V. ; Prudnov, F. A. ; Novikov, D. V. ; Babenko, S. D. ; Troshin, P. A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c330t-ad9821a340121d9756471ceadbe654d6841ca50170546bef7a8a3faf148745bb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Energy gaps (solid state)</topic><topic>Order disorder</topic><topic>Photonic band gaps</topic><topic>Photovoltaic cells</topic><topic>Polymer matrix composites</topic><topic>Polymers</topic><topic>Solar cells</topic><topic>Spectra</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Akkuratov, A. V.</creatorcontrib><creatorcontrib>Susarova, D. K.</creatorcontrib><creatorcontrib>Moskvin, Y. L.</creatorcontrib><creatorcontrib>Anokhin, D. V.</creatorcontrib><creatorcontrib>Chernyak, A. V.</creatorcontrib><creatorcontrib>Prudnov, F. A.</creatorcontrib><creatorcontrib>Novikov, D. V.</creatorcontrib><creatorcontrib>Babenko, S. D.</creatorcontrib><creatorcontrib>Troshin, P. A.</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</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><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>Akkuratov, A. V.</au><au>Susarova, D. K.</au><au>Moskvin, Y. L.</au><au>Anokhin, D. V.</au><au>Chernyak, A. V.</au><au>Prudnov, F. A.</au><au>Novikov, D. V.</au><au>Babenko, S. D.</au><au>Troshin, P. A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A strong influence of the positions of solubilizing alkyl side chains on optoelectronic and photovoltaic properties of TTBTBTT-based conjugated polymers</atitle><jtitle>Journal of materials chemistry. C, Materials for optical and electronic devices</jtitle><date>2015-01-01</date><risdate>2015</risdate><volume>3</volume><issue>7</issue><spage>1497</spage><epage>1506</epage><pages>1497-1506</pages><issn>2050-7526</issn><eissn>2050-7534</eissn><abstract>We report the synthesis and comparative study of five conjugated polymers
P1–P5
with different arrangements of two solubilizing 2-ethylhexyl side chains in their repeating units. It has been shown that positioning of the alkyl substituents affects strongly frontier energy levels of the polymers and results in variation of their optical band gaps between 1.65 and 2.0 eV. The highest (2.8 × 10
−4
cm
2
V
−1
s
−1
) and the lowest (2.4 × 10
−5
cm
2
V
−1
s
−1
) charge carrier mobilities determined for the polymers
P1
and
P5
, respectively, using a SCLC technique differ by more than one order of magnitude. GIWAXS measurements also revealed very different degrees of molecular ordering in the films of polymers
P1–P5
which correlate well with the SCLC mobility data and solid state photoluminescence spectra of these materials. The bulk heterojunction solar cells based on the composites of polymers
P1–P5
with [60]PCBM demonstrated power conversion efficiencies ranging from 0.6% (
P5
) to 5.1% (
P1
) thus evidencing a strong influence of the alkyl side chains on the photovoltaic performance of the designed polymer-based materials.</abstract><doi>10.1039/C4TC02432J</doi><tpages>10</tpages></addata></record> |
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| identifier | ISSN: 2050-7526 |
| ispartof | Journal of materials chemistry. C, Materials for optical and electronic devices, 2015-01, Vol.3 (7), p.1497-1506 |
| issn | 2050-7526 2050-7534 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1669881311 |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Energy gaps (solid state) Order disorder Photonic band gaps Photovoltaic cells Polymer matrix composites Polymers Solar cells Spectra |
| title | A strong influence of the positions of solubilizing alkyl side chains on optoelectronic and photovoltaic properties of TTBTBTT-based conjugated polymers |
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