PEDOT:PSS with embedded TiO2 nanoparticles as light trapping electrode for organic photovoltaics
The performance of organic optoelectronic devices can be improved by employing a suitable optical cavity design beyond the standard plane layer approach, e.g., by the inclusion of periodically or randomly textured structures which increase light incoupling or extraction. One of the simplest approach...
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Veröffentlicht in: | Applied physics letters 2016-06, Vol.108 (25) |
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creator | Park, Yoonseok Müller-Meskamp, Lars Vandewal, Koen Leo, Karl |
description | The performance of organic optoelectronic devices can be improved by employing a suitable optical cavity design beyond the standard plane layer approach, e.g., by the inclusion of periodically or randomly textured structures which increase light incoupling or extraction. One of the simplest approaches is to add an additional layer containing light scattering particles into the device stack. Solution processed poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) thin films are promising for replacing the brittle and expensive indium tin oxide transparent electrode. We use a blend of 100 nm TiO2 scattering particles in PEDOT:PSS solution to fabricate transparent electrode films which also functions as a scattering layer. When utilized in an organic photovoltaic device, a power conversion efficiency of 7.92% is achieved, which is an 8.6% relative improvement compared to a device with a neat PEDOT:PSS electrode without the nanoparticles. This improvement is caused by an increase in short-circuit current due to an improved photon harvesting in the 320 nm–700 nm spectral wavelength range. |
doi_str_mv | 10.1063/1.4954902 |
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This improvement is caused by an increase in short-circuit current due to an improved photon harvesting in the 320 nm–700 nm spectral wavelength range.</description><subject>Applied physics</subject><subject>Circuits</subject><subject>Design standards</subject><subject>Electrodes</subject><subject>Energy conversion efficiency</subject><subject>Indium tin oxides</subject><subject>Light scattering</subject><subject>Nanoparticles</subject><subject>Optoelectronic devices</subject><subject>Photovoltaic cells</subject><subject>Short circuit currents</subject><subject>Solar cells</subject><subject>Thin films</subject><subject>Titanium dioxide</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp90EtLAzEQB_AgCtbqwW8Q8KSwNZN9Nd6k1gcUWmg9x2webcp2syZpxW_vSoseBA_DzMCPGfgjdAlkAKRIb2GQsTxjhB6hHpCyTFKA4THqEULSpGA5nKKzENbdmtM07aG32fhhuribzef4w8YV1ptKK6UVXtgpxY1oXCt8tLLWAYuAa7tcRRy9aFvbLLGutYzeKY2N89j5pWisxO3KRbdzdRRWhnN0YkQd9MWh99Hr43gxek4m06eX0f0kkWlBY1INgQHJlQFVEcMyllYABdCcVFIJWihjSDdKI7oiOhNSFKo0VcWYZFmZp310tb_beve-1SHytdv6pnvJKVAoaZHBsFPXeyW9C8Frw1tvN8J_ciD8O0AO_BBgZ2_2NkgbRbSu-cE7538hb5X5D_-9_AWkxH-Y</recordid><startdate>20160620</startdate><enddate>20160620</enddate><creator>Park, Yoonseok</creator><creator>Müller-Meskamp, Lars</creator><creator>Vandewal, Koen</creator><creator>Leo, Karl</creator><general>American Institute of Physics</general><scope>AJDQP</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-1702-0986</orcidid></search><sort><creationdate>20160620</creationdate><title>PEDOT:PSS with embedded TiO2 nanoparticles as light trapping electrode for organic photovoltaics</title><author>Park, Yoonseok ; Müller-Meskamp, Lars ; Vandewal, Koen ; Leo, Karl</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c362t-b819105df1db0f9493b1161250bcda26dff00bccfaccf0e4aca6d7fbb99c94753</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Applied physics</topic><topic>Circuits</topic><topic>Design standards</topic><topic>Electrodes</topic><topic>Energy conversion efficiency</topic><topic>Indium tin oxides</topic><topic>Light scattering</topic><topic>Nanoparticles</topic><topic>Optoelectronic devices</topic><topic>Photovoltaic cells</topic><topic>Short circuit currents</topic><topic>Solar cells</topic><topic>Thin films</topic><topic>Titanium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Park, Yoonseok</creatorcontrib><creatorcontrib>Müller-Meskamp, Lars</creatorcontrib><creatorcontrib>Vandewal, Koen</creatorcontrib><creatorcontrib>Leo, Karl</creatorcontrib><collection>AIP Open Access Journals</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Park, Yoonseok</au><au>Müller-Meskamp, Lars</au><au>Vandewal, Koen</au><au>Leo, Karl</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>PEDOT:PSS with embedded TiO2 nanoparticles as light trapping electrode for organic photovoltaics</atitle><jtitle>Applied physics letters</jtitle><date>2016-06-20</date><risdate>2016</risdate><volume>108</volume><issue>25</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>The performance of organic optoelectronic devices can be improved by employing a suitable optical cavity design beyond the standard plane layer approach, e.g., by the inclusion of periodically or randomly textured structures which increase light incoupling or extraction. 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This improvement is caused by an increase in short-circuit current due to an improved photon harvesting in the 320 nm–700 nm spectral wavelength range.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4954902</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-1702-0986</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Applied physics Circuits Design standards Electrodes Energy conversion efficiency Indium tin oxides Light scattering Nanoparticles Optoelectronic devices Photovoltaic cells Short circuit currents Solar cells Thin films Titanium dioxide |
title | PEDOT:PSS with embedded TiO2 nanoparticles as light trapping electrode for organic photovoltaics |
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