Time-dependent Langevin-type bimolecular charge carrier recombination in regiorandom poly(3-hexylthiophene)
We have studied transport and recombination of photogenerated charge carriers in thin films of regiorandom poly(3-hexylthiophene) (RRaPHT). Time-of-Flight studies show space charge perturbed current transients with a saturation of current level at high light intensities as a result of diffusion cont...
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| Veröffentlicht in: | Synthetic metals 2005-11, Vol.155 (2), p.242-245 |
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| creator | Pivrikas, A. Österbacka, R. Juška, G. Arlauskas, K. Stubb, H. |
| description | We have studied transport and recombination of photogenerated charge carriers in thin films of regiorandom poly(3-hexylthiophene) (RRaPHT). Time-of-Flight studies show space charge perturbed current transients with a saturation of current level at high light intensities as a result of diffusion controlled Langevin-type bimolecular charge carrier recombination. We have been able to measure the time-dependent charge carrier mobility by using the carrier extraction by linearly increasing voltage technique. We found that the hole mobility follows a power law dependence over a few orders of magnitude in time as
μ
=
μ
0
t
−0.42. By using the carrier extraction by pulsed voltage technique we measured the photogenerated charge carrier concentration decay as a function of delay time and found that the decay can be fitted using a dispersive time-dependent bimolecular recombination coefficient governed by the time-dependent hole mobility. |
| doi_str_mv | 10.1016/j.synthmet.2005.01.042 |
| format | Article |
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μ
=
μ
0
t
−0.42. By using the carrier extraction by pulsed voltage technique we measured the photogenerated charge carrier concentration decay as a function of delay time and found that the decay can be fitted using a dispersive time-dependent bimolecular recombination coefficient governed by the time-dependent hole mobility.</description><identifier>ISSN: 0379-6779</identifier><identifier>EISSN: 1879-3290</identifier><identifier>DOI: 10.1016/j.synthmet.2005.01.042</identifier><identifier>CODEN: SYMEDZ</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Amorphous thin films ; Applied sciences ; Electrical, magnetic and optical properties ; Exact sciences and technology ; Organic polymers ; Photoconductivity ; Physicochemistry of polymers ; Polythiophene and derivatives ; Properties and characterization ; Semiconducting films ; Solar cells</subject><ispartof>Synthetic metals, 2005-11, Vol.155 (2), p.242-245</ispartof><rights>2005 Elsevier B.V.</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c373t-6054f13638b8ab915a6d1f18337bb3c531b0de9fc42f441ecc3b092dd0d1808f3</citedby><cites>FETCH-LOGICAL-c373t-6054f13638b8ab915a6d1f18337bb3c531b0de9fc42f441ecc3b092dd0d1808f3</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.2005.01.042$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,3548,23928,23929,25138,27922,27923,45993</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17351854$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Pivrikas, A.</creatorcontrib><creatorcontrib>Österbacka, R.</creatorcontrib><creatorcontrib>Juška, G.</creatorcontrib><creatorcontrib>Arlauskas, K.</creatorcontrib><creatorcontrib>Stubb, H.</creatorcontrib><title>Time-dependent Langevin-type bimolecular charge carrier recombination in regiorandom poly(3-hexylthiophene)</title><title>Synthetic metals</title><description>We have studied transport and recombination of photogenerated charge carriers in thin films of regiorandom poly(3-hexylthiophene) (RRaPHT). Time-of-Flight studies show space charge perturbed current transients with a saturation of current level at high light intensities as a result of diffusion controlled Langevin-type bimolecular charge carrier recombination. We have been able to measure the time-dependent charge carrier mobility by using the carrier extraction by linearly increasing voltage technique. We found that the hole mobility follows a power law dependence over a few orders of magnitude in time as
μ
=
μ
0
t
−0.42. By using the carrier extraction by pulsed voltage technique we measured the photogenerated charge carrier concentration decay as a function of delay time and found that the decay can be fitted using a dispersive time-dependent bimolecular recombination coefficient governed by the time-dependent hole mobility.</description><subject>Amorphous thin films</subject><subject>Applied sciences</subject><subject>Electrical, magnetic and optical properties</subject><subject>Exact sciences and technology</subject><subject>Organic polymers</subject><subject>Photoconductivity</subject><subject>Physicochemistry of polymers</subject><subject>Polythiophene and derivatives</subject><subject>Properties and characterization</subject><subject>Semiconducting films</subject><subject>Solar cells</subject><issn>0379-6779</issn><issn>1879-3290</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqFkM1v1DAQxS1EJZbSfwHlAoJDwkyczxuo4ktaiUt7thx7svGS2MH2Vs1_X6-2iCOnGY3em6f3Y-wtQoGAzadjETYbp4ViUQLUBWABVfmC7bBr-5yXPbxkO-Bpb9q2f8Veh3AEAOzLesd-35mFck0rWU02ZntpD_RgbB63lbLBLG4mdZqlz9Qk_YEyJb035DNPyi2DsTIaZzNj0-FgnJdWuyVb3bx94PlEj9scJ-PWiSx9fMOuRjkHunme1-z-29e72x_5_tf3n7df9rniLY95A3U1Im94N3Ry6LGWjcYRO87bYeCq5jiApn5UVTlWFZJSfIC-1Bo0dtCN_Jq9v_xdvftzohDFYoKieZaW3CmIsms5VlglYXMRKu9C8DSK1ZtF-k0giDNbcRR_2YozWwEoEttkfPecIIOS85hqKxP-uVteY1efAz5fdJTqPiRsIihDVpE2iV8U2pn_RT0BpoqVug</recordid><startdate>20051115</startdate><enddate>20051115</enddate><creator>Pivrikas, A.</creator><creator>Österbacka, R.</creator><creator>Juška, G.</creator><creator>Arlauskas, K.</creator><creator>Stubb, H.</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20051115</creationdate><title>Time-dependent Langevin-type bimolecular charge carrier recombination in regiorandom poly(3-hexylthiophene)</title><author>Pivrikas, A. ; Österbacka, R. ; Juška, G. ; Arlauskas, K. ; Stubb, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c373t-6054f13638b8ab915a6d1f18337bb3c531b0de9fc42f441ecc3b092dd0d1808f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Amorphous thin films</topic><topic>Applied sciences</topic><topic>Electrical, magnetic and optical properties</topic><topic>Exact sciences and technology</topic><topic>Organic polymers</topic><topic>Photoconductivity</topic><topic>Physicochemistry of polymers</topic><topic>Polythiophene and derivatives</topic><topic>Properties and characterization</topic><topic>Semiconducting films</topic><topic>Solar cells</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pivrikas, A.</creatorcontrib><creatorcontrib>Österbacka, R.</creatorcontrib><creatorcontrib>Juška, G.</creatorcontrib><creatorcontrib>Arlauskas, K.</creatorcontrib><creatorcontrib>Stubb, H.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Synthetic metals</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pivrikas, A.</au><au>Österbacka, R.</au><au>Juška, G.</au><au>Arlauskas, K.</au><au>Stubb, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Time-dependent Langevin-type bimolecular charge carrier recombination in regiorandom poly(3-hexylthiophene)</atitle><jtitle>Synthetic metals</jtitle><date>2005-11-15</date><risdate>2005</risdate><volume>155</volume><issue>2</issue><spage>242</spage><epage>245</epage><pages>242-245</pages><issn>0379-6779</issn><eissn>1879-3290</eissn><coden>SYMEDZ</coden><abstract>We have studied transport and recombination of photogenerated charge carriers in thin films of regiorandom poly(3-hexylthiophene) (RRaPHT). Time-of-Flight studies show space charge perturbed current transients with a saturation of current level at high light intensities as a result of diffusion controlled Langevin-type bimolecular charge carrier recombination. We have been able to measure the time-dependent charge carrier mobility by using the carrier extraction by linearly increasing voltage technique. We found that the hole mobility follows a power law dependence over a few orders of magnitude in time as
μ
=
μ
0
t
−0.42. By using the carrier extraction by pulsed voltage technique we measured the photogenerated charge carrier concentration decay as a function of delay time and found that the decay can be fitted using a dispersive time-dependent bimolecular recombination coefficient governed by the time-dependent hole mobility.</abstract><cop>Lausanne</cop><cop>Amsterdam</cop><cop>New York, NY</cop><pub>Elsevier B.V</pub><doi>10.1016/j.synthmet.2005.01.042</doi><tpages>4</tpages></addata></record> |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete - AutoHoldings |
| subjects | Amorphous thin films Applied sciences Electrical, magnetic and optical properties Exact sciences and technology Organic polymers Photoconductivity Physicochemistry of polymers Polythiophene and derivatives Properties and characterization Semiconducting films Solar cells |
| title | Time-dependent Langevin-type bimolecular charge carrier recombination in regiorandom poly(3-hexylthiophene) |
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