Improvement of photoelectric conversion efficiencies of dye‐sensitized solar cells consisting of hemispherical TiO2 films
To improve the photoelectric conversion efficiency (PCE) of dye‐sensitized solar cells (DSSCs), we fabricated hemispherical TiO2 films using a poly(dimethylsiloxane) mold and improved the light harvesting efficiency in DSSCs by a large light‐scattering effect caused by the hemispherical structure. I...
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| Veröffentlicht in: | Physica status solidi. C 2017-06, Vol.14 (6), p.n/a |
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| creator | Izumi, Shogo Mizuno, Ayame Ohtani, Naoki |
| description | To improve the photoelectric conversion efficiency (PCE) of dye‐sensitized solar cells (DSSCs), we fabricated hemispherical TiO2 films using a poly(dimethylsiloxane) mold and improved the light harvesting efficiency in DSSCs by a large light‐scattering effect caused by the hemispherical structure. In addition, the amount of the adsorption density of the dye in TiO2 increased due to the larger surface area of the hemispherical structure. Consequently, the short‐circuit current of DSSCs containing hemispherical TiO2 film increased even though the open‐circuit voltage was not changed. As a result, the overall PCE value was improved to about 1.2 times larger than a DSSC containing a flat TiO2 film.
In addition, polyethylene glycol‐doping in TiO2 effectively improved the DSSC performance comprised of hemispherical TiO2 films. |
| doi_str_mv | 10.1002/pssc.201600186 |
| format | Article |
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In addition, polyethylene glycol‐doping in TiO2 effectively improved the DSSC performance comprised of hemispherical TiO2 films.</description><identifier>ISSN: 1862-6351</identifier><identifier>EISSN: 1610-1642</identifier><identifier>DOI: 10.1002/pssc.201600186</identifier><language>eng</language><publisher>Berlin: WILEY‐VCH Verlag Berlin GmbH</publisher><subject>Adsorption ; Dye-sensitized solar cells ; Dyes ; dye‐sensitized solar cell ; Energy conversion efficiency ; hemispherical TiO2 film ; light harvesting efficiency ; Molds ; Photoelectricity ; Photovoltaic cells ; Polydimethylsiloxane ; Polyethylene glycol ; polyethylene glycol‐doping ; Polyethylenes ; Scattering ; Short circuits ; Surface chemistry ; Titanium dioxide ; Titanium oxides</subject><ispartof>Physica status solidi. C, 2017-06, Vol.14 (6), p.n/a</ispartof><rights>2017 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><rights>2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fpssc.201600186$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fpssc.201600186$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Izumi, Shogo</creatorcontrib><creatorcontrib>Mizuno, Ayame</creatorcontrib><creatorcontrib>Ohtani, Naoki</creatorcontrib><title>Improvement of photoelectric conversion efficiencies of dye‐sensitized solar cells consisting of hemispherical TiO2 films</title><title>Physica status solidi. C</title><description>To improve the photoelectric conversion efficiency (PCE) of dye‐sensitized solar cells (DSSCs), we fabricated hemispherical TiO2 films using a poly(dimethylsiloxane) mold and improved the light harvesting efficiency in DSSCs by a large light‐scattering effect caused by the hemispherical structure. In addition, the amount of the adsorption density of the dye in TiO2 increased due to the larger surface area of the hemispherical structure. Consequently, the short‐circuit current of DSSCs containing hemispherical TiO2 film increased even though the open‐circuit voltage was not changed. As a result, the overall PCE value was improved to about 1.2 times larger than a DSSC containing a flat TiO2 film.
In addition, polyethylene glycol‐doping in TiO2 effectively improved the DSSC performance comprised of hemispherical TiO2 films.</description><subject>Adsorption</subject><subject>Dye-sensitized solar cells</subject><subject>Dyes</subject><subject>dye‐sensitized solar cell</subject><subject>Energy conversion efficiency</subject><subject>hemispherical TiO2 film</subject><subject>light harvesting efficiency</subject><subject>Molds</subject><subject>Photoelectricity</subject><subject>Photovoltaic cells</subject><subject>Polydimethylsiloxane</subject><subject>Polyethylene glycol</subject><subject>polyethylene glycol‐doping</subject><subject>Polyethylenes</subject><subject>Scattering</subject><subject>Short circuits</subject><subject>Surface chemistry</subject><subject>Titanium dioxide</subject><subject>Titanium oxides</subject><issn>1862-6351</issn><issn>1610-1642</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNo9kE1PwzAMhiMEEmNw5RyJc0ectkl6RBMfkyYNaeMc9cPdMrVNabqhwYWfwG_kl5BqaAfLtvz4tfwScgtsAozx-9a5fMIZCMZAiTMyAgEsABHxc18rwQMRxnBJrpzbMhbGnhyRr1nddnaPNTY9tSVtN7a3WGHedyanuW322DljG4plaXKDjQ83gMUBf79_HDbO9OYTC-pslXY0x6pyw54zrjfNekA3WBvXbtArphVdmQWnpalqd00uyrRyePOfx-Tt6XE1fQnmi-fZ9GEerLmMRBCqMsuSRGCsRFqGJSiORQSFQqGAZ4CSxwnKOJKKSwVSZZGCHCQksYog4eGY3B11_afvO3S93tpd1_iT2o8TxXgoY08lR-rDVHjQbWfqtDtoYHpwVw_u6pO7-nW5nJ668A_v9XMa</recordid><startdate>201706</startdate><enddate>201706</enddate><creator>Izumi, Shogo</creator><creator>Mizuno, Ayame</creator><creator>Ohtani, Naoki</creator><general>WILEY‐VCH Verlag Berlin GmbH</general><general>Wiley Subscription Services, Inc</general><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>201706</creationdate><title>Improvement of photoelectric conversion efficiencies of dye‐sensitized solar cells consisting of hemispherical TiO2 films</title><author>Izumi, Shogo ; Mizuno, Ayame ; Ohtani, Naoki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g2746-38fbb996e586af3f182ed41d8e6812b1e7259e75478278178b481c17195841923</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Adsorption</topic><topic>Dye-sensitized solar cells</topic><topic>Dyes</topic><topic>dye‐sensitized solar cell</topic><topic>Energy conversion efficiency</topic><topic>hemispherical TiO2 film</topic><topic>light harvesting efficiency</topic><topic>Molds</topic><topic>Photoelectricity</topic><topic>Photovoltaic cells</topic><topic>Polydimethylsiloxane</topic><topic>Polyethylene glycol</topic><topic>polyethylene glycol‐doping</topic><topic>Polyethylenes</topic><topic>Scattering</topic><topic>Short circuits</topic><topic>Surface chemistry</topic><topic>Titanium dioxide</topic><topic>Titanium oxides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Izumi, Shogo</creatorcontrib><creatorcontrib>Mizuno, Ayame</creatorcontrib><creatorcontrib>Ohtani, Naoki</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physica status solidi. C</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Izumi, Shogo</au><au>Mizuno, Ayame</au><au>Ohtani, Naoki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improvement of photoelectric conversion efficiencies of dye‐sensitized solar cells consisting of hemispherical TiO2 films</atitle><jtitle>Physica status solidi. C</jtitle><date>2017-06</date><risdate>2017</risdate><volume>14</volume><issue>6</issue><epage>n/a</epage><issn>1862-6351</issn><eissn>1610-1642</eissn><abstract>To improve the photoelectric conversion efficiency (PCE) of dye‐sensitized solar cells (DSSCs), we fabricated hemispherical TiO2 films using a poly(dimethylsiloxane) mold and improved the light harvesting efficiency in DSSCs by a large light‐scattering effect caused by the hemispherical structure. In addition, the amount of the adsorption density of the dye in TiO2 increased due to the larger surface area of the hemispherical structure. Consequently, the short‐circuit current of DSSCs containing hemispherical TiO2 film increased even though the open‐circuit voltage was not changed. As a result, the overall PCE value was improved to about 1.2 times larger than a DSSC containing a flat TiO2 film.
In addition, polyethylene glycol‐doping in TiO2 effectively improved the DSSC performance comprised of hemispherical TiO2 films.</abstract><cop>Berlin</cop><pub>WILEY‐VCH Verlag Berlin GmbH</pub><doi>10.1002/pssc.201600186</doi><tpages>4</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Adsorption Dye-sensitized solar cells Dyes dye‐sensitized solar cell Energy conversion efficiency hemispherical TiO2 film light harvesting efficiency Molds Photoelectricity Photovoltaic cells Polydimethylsiloxane Polyethylene glycol polyethylene glycol‐doping Polyethylenes Scattering Short circuits Surface chemistry Titanium dioxide Titanium oxides |
| title | Improvement of photoelectric conversion efficiencies of dye‐sensitized solar cells consisting of hemispherical TiO2 films |
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