AustralieFrV1, PascalFrancis, Curation, bibRecord, 005011

Charge carrier mobility, bimolecular recombination and trapping in polycarbazole copolymer:fullerene (PCDTBT:PCBM) bulk heterojunction solar cells

Identifieur interne : 005011 ( PascalFrancis/Curation ); précédent : 005010; suivant : 005012

Charge carrier mobility, bimolecular recombination and trapping in polycarbazole copolymer:fullerene (PCDTBT:PCBM) bulk heterojunction solar cells

Auteurs : Tracey M. Clarke [Australie] ; Jeff Peet [États-Unis] ; Andrew Nattestad [Australie] ; Nicolas Drolet [États-Unis] ; Gilles Dennler [France] ; Christoph Lungenschmied [États-Unis] ; Mario Leclerc [Canada] ; Attila J. Mozer [Australie]

Source :

Organic electronics : (Print) [ 1566-1199 ] ; 2012.

RBID : Pascal:12-0421762

Descripteurs français

Pascal (Inist)
- Mobilité porteur charge, Piégeage porteur charge, Hétérojonction, Cellule solaire, Electronique organique, Cellule solaire organique, Dispositif photovoltaïque, Centre donneur, Centre accepteur, Grande puissance, Rendement élevé, Conversion énergie, Taux conversion, Rendement quantique, Evaluation performance, Couche active, Fiabilité, Viabilité, Méthode temps vol, Durée vie porteur charge, Facteur remplissage, Carbazole polymère, Copolymère, Fullerènes, Acide butyrique, Ester, Composé du fullerène, Hétérostructure, 8105T, 8460J, 8535, Recombinaison bimoléculaire.

English descriptors

KwdEn :
- Acceptor center, Active layer, Bimolecular recombination, Butyric acid, Carbazole polymer, Carrier lifetime, Charge carrier mobility, Charge carrier trapping, Conversion rate, Copolymer, Donor center, Energy conversion, Ester, Fill factor, Fullerene compounds, Fullerenes, Heterojunction, Heterostructures, High efficiency, High power, Organic electronics, Organic solar cells, Performance evaluation, Photovoltaic cell, Quantum yield, Reliability, Solar cell, Time of flight method, Viability.

Abstract

Organic photovoltaic devices based on the donor:acceptor blend of poly[N-9"-heptadecanyl-2,7-carbazole-alt-5,5-(4',7'-di-2-thienyl-2',1',3'-benzothiadiazole)] (PCDTBT) and [6,6]-phenyl C₆₁ butyric acid methyl ester (PCBM) have received considerable attention in recent years due to their high power conversion efficiencies and the ability to achieve close to 100% internal quantum efficiency. However, the highest efficiencies were all attained using active layers of less than 100 nm, which is not ideal for either maximised potential performance or commercial viability. Furthermore, more recent reports have documented significant charge carrier trapping in these devices. In this paper two charge extraction techniques (photo-CELIV and time-of-flight) have been used to investigate the mobility and recombination behaviour in a series of PCDTBT:PCBM devices. The results not only confirm significant charge carrier trapping in this system, but also reveal close to Langevin-type bimolecular recombination. The Langevin recombination causes a short charge carrier lifetime that results in a short drift length. The combination of these two characteristics (trapping and fast bimolecular recombination) has a detrimental effect on the charge extraction efficiency when active layers greater than ∼100 nm are used. This accounts for the pronounced decrease in fill factor with increasing active layer thickness that is typically observed in PCDTBT:PCBM devices.

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Pascal:12-0421762

Le document en format XML

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<idno type="ISSN">1566-1199</idno>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acceptor center</term>
<term>Active layer</term>
<term>Bimolecular recombination</term>
<term>Butyric acid</term>
<term>Carbazole polymer</term>
<term>Carrier lifetime</term>
<term>Charge carrier mobility</term>
<term>Charge carrier trapping</term>
<term>Conversion rate</term>
<term>Copolymer</term>
<term>Donor center</term>
<term>Energy conversion</term>
<term>Ester</term>
<term>Fill factor</term>
<term>Fullerene compounds</term>
<term>Fullerenes</term>
<term>Heterojunction</term>
<term>Heterostructures</term>
<term>High efficiency</term>
<term>High power</term>
<term>Organic electronics</term>
<term>Organic solar cells</term>
<term>Performance evaluation</term>
<term>Photovoltaic cell</term>
<term>Quantum yield</term>
<term>Reliability</term>
<term>Solar cell</term>
<term>Time of flight method</term>
<term>Viability</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Mobilité porteur charge</term>
<term>Piégeage porteur charge</term>
<term>Hétérojonction</term>
<term>Cellule solaire</term>
<term>Electronique organique</term>
<term>Cellule solaire organique</term>
<term>Dispositif photovoltaïque</term>
<term>Centre donneur</term>
<term>Centre accepteur</term>
<term>Grande puissance</term>
<term>Rendement élevé</term>
<term>Conversion énergie</term>
<term>Taux conversion</term>
<term>Rendement quantique</term>
<term>Evaluation performance</term>
<term>Couche active</term>
<term>Fiabilité</term>
<term>Viabilité</term>
<term>Méthode temps vol</term>
<term>Durée vie porteur charge</term>
<term>Facteur remplissage</term>
<term>Carbazole polymère</term>
<term>Copolymère</term>
<term>Fullerènes</term>
<term>Acide butyrique</term>
<term>Ester</term>
<term>Composé du fullerène</term>
<term>Hétérostructure</term>
<term>8105T</term>
<term>8460J</term>
<term>8535</term>
<term>Recombinaison bimoléculaire</term>
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<front><div type="abstract" xml:lang="en">Organic photovoltaic devices based on the donor:acceptor blend of poly[N-9"-heptadecanyl-2,7-carbazole-alt-5,5-(4',7'-di-2-thienyl-2',1',3'-benzothiadiazole)] (PCDTBT) and [6,6]-phenyl C<sub>61</sub>
 butyric acid methyl ester (PCBM) have received considerable attention in recent years due to their high power conversion efficiencies and the ability to achieve close to 100% internal quantum efficiency. However, the highest efficiencies were all attained using active layers of less than 100 nm, which is not ideal for either maximised potential performance or commercial viability. Furthermore, more recent reports have documented significant charge carrier trapping in these devices. In this paper two charge extraction techniques (photo-CELIV and time-of-flight) have been used to investigate the mobility and recombination behaviour in a series of PCDTBT:PCBM devices. The results not only confirm significant charge carrier trapping in this system, but also reveal close to Langevin-type bimolecular recombination. The Langevin recombination causes a short charge carrier lifetime that results in a short drift length. The combination of these two characteristics (trapping and fast bimolecular recombination) has a detrimental effect on the charge extraction efficiency when active layers greater than ∼100 nm are used. This accounts for the pronounced decrease in fill factor with increasing active layer thickness that is typically observed in PCDTBT:PCBM devices.</div>
</front>
</TEI>
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<fA03 i2="1"><s0>Org. electron. : (Print)</s0>
</fA03>
<fA05><s2>13</s2>
</fA05>
<fA06><s2>11</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>Charge carrier mobility, bimolecular recombination and trapping in polycarbazole copolymer:fullerene (PCDTBT:PCBM) bulk heterojunction solar cells</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>CLARKE (Tracey M.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>PEET (Jeff)</s1>
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<fA11 i1="03" i2="1"><s1>NATTESTAD (Andrew)</s1>
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<fA11 i1="04" i2="1"><s1>DROLET (Nicolas)</s1>
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<fA11 i1="05" i2="1"><s1>DENNLER (Gilles)</s1>
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<fA11 i1="06" i2="1"><s1>LUNGENSCHMIED (Christoph)</s1>
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<fA11 i1="07" i2="1"><s1>LECLERC (Mario)</s1>
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<fA11 i1="08" i2="1"><s1>MOZER (Attila J.)</s1>
</fA11>
<fA14 i1="01"><s1>ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, Innovation Campus. Squires Way</s1>
<s2>North Wollongong, NSW 2500</s2>
<s3>AUS</s3>
<sZ>1 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>8 aut.</sZ>
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<fA14 i1="02"><s1>Konarka Technologies, 116 John St., Suite 12</s1>
<s2>Lowell, MA 01852</s2>
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<sZ>4 aut.</sZ>
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<fA14 i1="03"><s1>IMRA Europe, 220, Rue Albert Caquot-BP 213</s1>
<s2>06904 Sophia-Antipolis</s2>
<s3>FRA</s3>
<sZ>5 aut.</sZ>
</fA14>
<fA14 i1="04"><s1>Canada Research Chair on Electroactive and Photoactive Polymers, Université Laval</s1>
<s2>Quebec City, Québec</s2>
<s3>CAN</s3>
<sZ>7 aut.</sZ>
</fA14>
<fA20><s1>2639-2646</s1>
</fA20>
<fA21><s1>2012</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>27255</s2>
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<s1>© 2012 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>32 ref.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>12-0421762</s0>
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<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
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<fA64 i1="01" i2="1"><s0>Organic electronics : (Print)</s0>
</fA64>
<fA66 i1="01"><s0>NLD</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>Organic photovoltaic devices based on the donor:acceptor blend of poly[N-9"-heptadecanyl-2,7-carbazole-alt-5,5-(4',7'-di-2-thienyl-2',1',3'-benzothiadiazole)] (PCDTBT) and [6,6]-phenyl C<sub>61</sub>
 butyric acid methyl ester (PCBM) have received considerable attention in recent years due to their high power conversion efficiencies and the ability to achieve close to 100% internal quantum efficiency. However, the highest efficiencies were all attained using active layers of less than 100 nm, which is not ideal for either maximised potential performance or commercial viability. Furthermore, more recent reports have documented significant charge carrier trapping in these devices. In this paper two charge extraction techniques (photo-CELIV and time-of-flight) have been used to investigate the mobility and recombination behaviour in a series of PCDTBT:PCBM devices. The results not only confirm significant charge carrier trapping in this system, but also reveal close to Langevin-type bimolecular recombination. The Langevin recombination causes a short charge carrier lifetime that results in a short drift length. The combination of these two characteristics (trapping and fast bimolecular recombination) has a detrimental effect on the charge extraction efficiency when active layers greater than ∼100 nm are used. This accounts for the pronounced decrease in fill factor with increasing active layer thickness that is typically observed in PCDTBT:PCBM devices.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>001D03F02</s0>
</fC02>
<fC02 i1="02" i2="X"><s0>001D03F15</s0>
</fC02>
<fC02 i1="03" i2="X"><s0>001D06C02D1</s0>
</fC02>
<fC02 i1="04" i2="3"><s0>001B80A05T</s0>
</fC02>
<fC02 i1="05" i2="X"><s0>230</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Mobilité porteur charge</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Charge carrier mobility</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Movilidad portador carga</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Piégeage porteur charge</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Charge carrier trapping</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Captura portador carga</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Hétérojonction</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Heterojunction</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Heterounión</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Cellule solaire</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Solar cell</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Célula solar</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Electronique organique</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Organic electronics</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Electrónica orgánica</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE"><s0>Cellule solaire organique</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="3" l="ENG"><s0>Organic solar cells</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Dispositif photovoltaïque</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Photovoltaic cell</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Dispositivo fotovoltaico</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Centre donneur</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Donor center</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Centro dador</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Centre accepteur</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Acceptor center</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Centro aceptor</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Grande puissance</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>High power</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Gran potencia</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Rendement élevé</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>High efficiency</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Rendimiento elevado</s0>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Conversion énergie</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Energy conversion</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Conversión energética</s0>
<s5>12</s5>
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<fC03 i1="13" i2="X" l="FRE"><s0>Taux conversion</s0>
<s5>13</s5>
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<fC03 i1="13" i2="X" l="ENG"><s0>Conversion rate</s0>
<s5>13</s5>
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<fC03 i1="13" i2="X" l="SPA"><s0>Factor conversión</s0>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Rendement quantique</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Quantum yield</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Rendimiento quántico</s0>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Evaluation performance</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG"><s0>Performance evaluation</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA"><s0>Evaluación prestación</s0>
<s5>15</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Couche active</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="X" l="ENG"><s0>Active layer</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="X" l="SPA"><s0>Capa activa</s0>
<s5>16</s5>
</fC03>
<fC03 i1="17" i2="X" l="FRE"><s0>Fiabilité</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="X" l="ENG"><s0>Reliability</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="X" l="SPA"><s0>Fiabilidad</s0>
<s5>17</s5>
</fC03>
<fC03 i1="18" i2="X" l="FRE"><s0>Viabilité</s0>
<s5>18</s5>
</fC03>
<fC03 i1="18" i2="X" l="ENG"><s0>Viability</s0>
<s5>18</s5>
</fC03>
<fC03 i1="18" i2="X" l="SPA"><s0>Viabilidad</s0>
<s5>18</s5>
</fC03>
<fC03 i1="19" i2="X" l="FRE"><s0>Méthode temps vol</s0>
<s5>19</s5>
</fC03>
<fC03 i1="19" i2="X" l="ENG"><s0>Time of flight method</s0>
<s5>19</s5>
</fC03>
<fC03 i1="19" i2="X" l="SPA"><s0>Método tiempo vuelo</s0>
<s5>19</s5>
</fC03>
<fC03 i1="20" i2="3" l="FRE"><s0>Durée vie porteur charge</s0>
<s5>20</s5>
</fC03>
<fC03 i1="20" i2="3" l="ENG"><s0>Carrier lifetime</s0>
<s5>20</s5>
</fC03>
<fC03 i1="21" i2="3" l="FRE"><s0>Facteur remplissage</s0>
<s5>21</s5>
</fC03>
<fC03 i1="21" i2="3" l="ENG"><s0>Fill factor</s0>
<s5>21</s5>
</fC03>
<fC03 i1="22" i2="X" l="FRE"><s0>Carbazole polymère</s0>
<s2>NK</s2>
<s5>22</s5>
</fC03>
<fC03 i1="22" i2="X" l="ENG"><s0>Carbazole polymer</s0>
<s2>NK</s2>
<s5>22</s5>
</fC03>
<fC03 i1="22" i2="X" l="SPA"><s0>Carbazol polímero</s0>
<s2>NK</s2>
<s5>22</s5>
</fC03>
<fC03 i1="23" i2="X" l="FRE"><s0>Copolymère</s0>
<s2>NK</s2>
<s5>23</s5>
</fC03>
<fC03 i1="23" i2="X" l="ENG"><s0>Copolymer</s0>
<s2>NK</s2>
<s5>23</s5>
</fC03>
<fC03 i1="23" i2="X" l="SPA"><s0>Copolímero</s0>
<s2>NK</s2>
<s5>23</s5>
</fC03>
<fC03 i1="24" i2="X" l="FRE"><s0>Fullerènes</s0>
<s5>24</s5>
</fC03>
<fC03 i1="24" i2="X" l="ENG"><s0>Fullerenes</s0>
<s5>24</s5>
</fC03>
<fC03 i1="25" i2="X" l="FRE"><s0>Acide butyrique</s0>
<s2>NK</s2>
<s5>25</s5>
</fC03>
<fC03 i1="25" i2="X" l="ENG"><s0>Butyric acid</s0>
<s2>NK</s2>
<s5>25</s5>
</fC03>
<fC03 i1="25" i2="X" l="SPA"><s0>Butírico ácido</s0>
<s2>NK</s2>
<s5>25</s5>
</fC03>
<fC03 i1="26" i2="X" l="FRE"><s0>Ester</s0>
<s5>26</s5>
</fC03>
<fC03 i1="26" i2="X" l="ENG"><s0>Ester</s0>
<s5>26</s5>
</fC03>
<fC03 i1="26" i2="X" l="SPA"><s0>Ester</s0>
<s5>26</s5>
</fC03>
<fC03 i1="27" i2="3" l="FRE"><s0>Composé du fullerène</s0>
<s5>27</s5>
</fC03>
<fC03 i1="27" i2="3" l="ENG"><s0>Fullerene compounds</s0>
<s5>27</s5>
</fC03>
<fC03 i1="28" i2="3" l="FRE"><s0>Hétérostructure</s0>
<s5>28</s5>
</fC03>
<fC03 i1="28" i2="3" l="ENG"><s0>Heterostructures</s0>
<s5>28</s5>
</fC03>
<fC03 i1="29" i2="X" l="FRE"><s0>8105T</s0>
<s4>INC</s4>
<s5>56</s5>
</fC03>
<fC03 i1="30" i2="X" l="FRE"><s0>8460J</s0>
<s4>INC</s4>
<s5>57</s5>
</fC03>
<fC03 i1="31" i2="X" l="FRE"><s0>8535</s0>
<s4>INC</s4>
<s5>58</s5>
</fC03>
<fC03 i1="32" i2="X" l="FRE"><s0>Recombinaison bimoléculaire</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="32" i2="X" l="ENG"><s0>Bimolecular recombination</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fN21><s1>331</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
</inist>
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Charge carrier mobility, bimolecular recombination and trapping in polycarbazole copolymer:fullerene (PCDTBT:PCBM) bulk heterojunction solar cells

Charge carrier mobility, bimolecular recombination and trapping in polycarbazole copolymer:fullerene (PCDTBT:PCBM) bulk heterojunction solar cells

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