Ultrathin interlayers of a conjugated polyelectrolyte for low work-function cathodes in efficient inverted organic solar cells
Identifieur interne : 000257 ( Main/Repository ); précédent : 000256; suivant : 000258Ultrathin interlayers of a conjugated polyelectrolyte for low work-function cathodes in efficient inverted organic solar cells
Auteurs : RBID : Pascal:13-0143286Descripteurs français
- Pascal (Inist)
- Couche intermédiaire, Couche interfaciale, Polyélectrolyte, Travail sortie, Cathode, Cellule solaire organique, Addition étain, Sélectivité, Irradiation UV, Rayonnement UV, Facteur remplissage, Eclairement, Dipôle, Cellule solaire, Taux conversion, Evaluation performance, Couche ultramince, Composé conjugué, Fullerènes, Thiophène, Oxyde d'indium, Oxyde de titane, Interface, Matériau dopé, 8116H, 8235R, 7330, 8105T, ITO, 8460J.
English descriptors
- KwdEn :
- Cathodes, Conjugated compound, Conversion rate, Dipoles, Doped materials, Fill factor, Fullerenes, Illumination, Indium oxide, Interfaces, Interfacial layer, Interlayers, Organic solar cells, Performance evaluation, Polyelectrolyte, Selectivity, Solar cells, Thiophene, Tin additions, Titanium oxide, Ultrathin films, Ultraviolet irradiation, Ultraviolet radiation, Work functions.
Abstract
Inverted polymer :fullerene solar cells are reported using the conjugated polyelectrolyte poly(3-[6-(N-methylimidazolium)hexyl]thiophene) bromide P3lmHT as ultra-thin cathode interlayer to reduce the work-function (WF) of ITO for improved electron selectivity. Similar to ITO/TiOx cathodes, UV exposure is found necessary in the case of ITO/CPE to achieve a high fill factor on the order of 60%. UV illumination is shown to lead to a reduction of the ITO WF which in combination with WF lowering due to the dipole of the CPE leads to a suitable electron selective cathode. As a result, inverted solar cells with an efficiency of 4.8% are achieved. This is the highest efficiency of an inverted OSC using a conjugated polyelectrolyte as interface modifier directly on top of ITO.
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Pascal:13-0143286Le document en format XML
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<author><name sortKey="Zilberberg, Kirill" uniqKey="Zilberberg K">Kirill Zilberberg</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University of Wuppertal, Institute of Electronic Devices, Rainer-Cruenter-Str. 21</s1>
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<author><name sortKey="Behrendt, Andreas" uniqKey="Behrendt A">Andreas Behrendt</name>
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<author><name sortKey="Kraft, Mario" uniqKey="Kraft M">Mario Kraft</name>
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<author><name sortKey="Scherf, Ullrich" uniqKey="Scherf U">Ullrich Scherf</name>
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<author><name sortKey="Riedl, Thomas" uniqKey="Riedl T">Thomas Riedl</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University of Wuppertal, Institute of Electronic Devices, Rainer-Cruenter-Str. 21</s1>
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<title level="j" type="abbreviated">Org. electron. : (Print)</title>
<title level="j" type="main">Organic electronics : (Print)</title>
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<term>Conversion rate</term>
<term>Dipoles</term>
<term>Doped materials</term>
<term>Fill factor</term>
<term>Fullerenes</term>
<term>Illumination</term>
<term>Indium oxide</term>
<term>Interfaces</term>
<term>Interfacial layer</term>
<term>Interlayers</term>
<term>Organic solar cells</term>
<term>Performance evaluation</term>
<term>Polyelectrolyte</term>
<term>Selectivity</term>
<term>Solar cells</term>
<term>Thiophene</term>
<term>Tin additions</term>
<term>Titanium oxide</term>
<term>Ultrathin films</term>
<term>Ultraviolet irradiation</term>
<term>Ultraviolet radiation</term>
<term>Work functions</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Couche intermédiaire</term>
<term>Couche interfaciale</term>
<term>Polyélectrolyte</term>
<term>Travail sortie</term>
<term>Cathode</term>
<term>Cellule solaire organique</term>
<term>Addition étain</term>
<term>Sélectivité</term>
<term>Irradiation UV</term>
<term>Rayonnement UV</term>
<term>Facteur remplissage</term>
<term>Eclairement</term>
<term>Dipôle</term>
<term>Cellule solaire</term>
<term>Taux conversion</term>
<term>Evaluation performance</term>
<term>Couche ultramince</term>
<term>Composé conjugué</term>
<term>Fullerènes</term>
<term>Thiophène</term>
<term>Oxyde d'indium</term>
<term>Oxyde de titane</term>
<term>Interface</term>
<term>Matériau dopé</term>
<term>8116H</term>
<term>8235R</term>
<term>7330</term>
<term>8105T</term>
<term>ITO</term>
<term>8460J</term>
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<front><div type="abstract" xml:lang="en">Inverted polymer :fullerene solar cells are reported using the conjugated polyelectrolyte poly(3-[6-(N-methylimidazolium)hexyl]thiophene) bromide P3lmHT as ultra-thin cathode interlayer to reduce the work-function (WF) of ITO for improved electron selectivity. Similar to ITO/TiO<sub>x</sub>
cathodes, UV exposure is found necessary in the case of ITO/CPE to achieve a high fill factor on the order of 60%. UV illumination is shown to lead to a reduction of the ITO WF which in combination with WF lowering due to the dipole of the CPE leads to a suitable electron selective cathode. As a result, inverted solar cells with an efficiency of 4.8% are achieved. This is the highest efficiency of an inverted OSC using a conjugated polyelectrolyte as interface modifier directly on top of ITO.</div>
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<fC01 i1="01" l="ENG"><s0>Inverted polymer :fullerene solar cells are reported using the conjugated polyelectrolyte poly(3-[6-(N-methylimidazolium)hexyl]thiophene) bromide P3lmHT as ultra-thin cathode interlayer to reduce the work-function (WF) of ITO for improved electron selectivity. Similar to ITO/TiO<sub>x</sub>
cathodes, UV exposure is found necessary in the case of ITO/CPE to achieve a high fill factor on the order of 60%. UV illumination is shown to lead to a reduction of the ITO WF which in combination with WF lowering due to the dipole of the CPE leads to a suitable electron selective cathode. As a result, inverted solar cells with an efficiency of 4.8% are achieved. This is the highest efficiency of an inverted OSC using a conjugated polyelectrolyte as interface modifier directly on top of ITO.</s0>
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<s5>04</s5>
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<s5>05</s5>
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<s5>08</s5>
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<s5>14</s5>
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<s5>14</s5>
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<s5>15</s5>
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<s5>15</s5>
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<s5>15</s5>
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<s5>16</s5>
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