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Omnidirectional light harvesting enhancement of dye-sensitized solar cells decorated with two-dimensional ZnO nanoflowers
In this study, the chemical solution method was used to separately fabricate one-dimensional (1D) zinc oxide (ZnO) nanorods (NRs) and two-dimensional (2D) ZnO nanoflowers (NFs) on photoelectrodes for use in dye-sensitized solar cells (DSSCs). ZnO nanostructures (NSs) with different dimensions were g...
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Published in: | Journal of alloys and compounds 2020-01, Vol.815, p.152287, Article 152287 |
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description | In this study, the chemical solution method was used to separately fabricate one-dimensional (1D) zinc oxide (ZnO) nanorods (NRs) and two-dimensional (2D) ZnO nanoflowers (NFs) on photoelectrodes for use in dye-sensitized solar cells (DSSCs). ZnO nanostructures (NSs) with different dimensions were grown on the photoelectrodes, and the effects of the NSs on the omnidirectional light-harvesting characteristics of the DSSCs and their bandgap were evaluated. The crystal structures and morphologies of the ZnO NSs were analysed using X-ray diffraction analysis and field-emission scanning electron microscopy, while their dye-adsorption characteristics were determined using an ultraviolet–visible–near infrared spectrometer. In addition, the finite-difference time-domain method was used to simulate the effects of the dimensions of the NSs on their light-scattering properties. The photoelectrodes with the ZnO NSs with different dimensions were then used to construct DSSCs, which were tested using electrochemical impedance spectroscopy as well as with a monochromatic incident photon-to-electron conversion efficiency measurement system and a solar simulator. Furthermore, with an increase in the incidence angle, the light-conversion efficiency of the 1D ZnO NRs reduced by 63.6% while that of the 2D ZnO NFs reduced only by 12%. Thus, DSSCs based on the 2D ZnO NFs are capable of capturing multidirectional incident light and hence ideal for use under scattered-light conditions.
•The ZnO nanoflowers exhibited better dye adsorption properties and a higher haze value than the ZnO nanorods.•FDTD simulations results were found to be consistent with those of actual light-scattering easurements.•DSSC with ZnO nanoflowers was only decreasing 12 % at the high incident-angle and is suitable for wide-angle applications. |
doi_str_mv | 10.1016/j.jallcom.2019.152287 |
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•The ZnO nanoflowers exhibited better dye adsorption properties and a higher haze value than the ZnO nanorods.•FDTD simulations results were found to be consistent with those of actual light-scattering easurements.•DSSC with ZnO nanoflowers was only decreasing 12 % at the high incident-angle and is suitable for wide-angle applications.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2019.152287</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Crystal structure ; DSSC ; Dye-sensitized solar cells ; Dyes ; Electrochemical impedance spectroscopy ; Emission analysis ; Energy conversion efficiency ; Finite difference time domain method ; Incidence angle ; Incident light ; Infrared spectrometers ; Light ; Light scattering ; Morphology ; Nanorods ; Near infrared radiation ; Organic chemistry ; Photovoltaic cells ; Time domain analysis ; Zinc oxide ; Zinc oxides ; ZnO nanostructures</subject><ispartof>Journal of alloys and compounds, 2020-01, Vol.815, p.152287, Article 152287</ispartof><rights>2019 Elsevier B.V.</rights><rights>Copyright Elsevier BV Jan 30, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-3ec07b5a84292bb855c99c0075536930447a8af17d66a9ccde1b6c6aa6ab01cd3</citedby><cites>FETCH-LOGICAL-c337t-3ec07b5a84292bb855c99c0075536930447a8af17d66a9ccde1b6c6aa6ab01cd3</cites><orcidid>0000-0003-1758-3911 ; 0000-0002-8541-4047</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Lai, Fang-I.</creatorcontrib><creatorcontrib>Yang, Jui-Fu</creatorcontrib><creatorcontrib>Hsu, Yu-Chao</creatorcontrib><creatorcontrib>Kuo, Shou-Yi</creatorcontrib><title>Omnidirectional light harvesting enhancement of dye-sensitized solar cells decorated with two-dimensional ZnO nanoflowers</title><title>Journal of alloys and compounds</title><description>In this study, the chemical solution method was used to separately fabricate one-dimensional (1D) zinc oxide (ZnO) nanorods (NRs) and two-dimensional (2D) ZnO nanoflowers (NFs) on photoelectrodes for use in dye-sensitized solar cells (DSSCs). ZnO nanostructures (NSs) with different dimensions were grown on the photoelectrodes, and the effects of the NSs on the omnidirectional light-harvesting characteristics of the DSSCs and their bandgap were evaluated. The crystal structures and morphologies of the ZnO NSs were analysed using X-ray diffraction analysis and field-emission scanning electron microscopy, while their dye-adsorption characteristics were determined using an ultraviolet–visible–near infrared spectrometer. In addition, the finite-difference time-domain method was used to simulate the effects of the dimensions of the NSs on their light-scattering properties. The photoelectrodes with the ZnO NSs with different dimensions were then used to construct DSSCs, which were tested using electrochemical impedance spectroscopy as well as with a monochromatic incident photon-to-electron conversion efficiency measurement system and a solar simulator. Furthermore, with an increase in the incidence angle, the light-conversion efficiency of the 1D ZnO NRs reduced by 63.6% while that of the 2D ZnO NFs reduced only by 12%. Thus, DSSCs based on the 2D ZnO NFs are capable of capturing multidirectional incident light and hence ideal for use under scattered-light conditions.
•The ZnO nanoflowers exhibited better dye adsorption properties and a higher haze value than the ZnO nanorods.•FDTD simulations results were found to be consistent with those of actual light-scattering easurements.•DSSC with ZnO nanoflowers was only decreasing 12 % at the high incident-angle and is suitable for wide-angle applications.</description><subject>Crystal structure</subject><subject>DSSC</subject><subject>Dye-sensitized solar cells</subject><subject>Dyes</subject><subject>Electrochemical impedance spectroscopy</subject><subject>Emission analysis</subject><subject>Energy conversion efficiency</subject><subject>Finite difference time domain method</subject><subject>Incidence angle</subject><subject>Incident light</subject><subject>Infrared spectrometers</subject><subject>Light</subject><subject>Light scattering</subject><subject>Morphology</subject><subject>Nanorods</subject><subject>Near infrared radiation</subject><subject>Organic chemistry</subject><subject>Photovoltaic cells</subject><subject>Time domain analysis</subject><subject>Zinc oxide</subject><subject>Zinc oxides</subject><subject>ZnO nanostructures</subject><issn>0925-8388</issn><issn>1873-4669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFkEFr3DAQhUVpodu0P6Eg6NlbybJk-VRKSNLAwl6SSy5ClsZZGVlKJSXL9tdXG-ee08Dw3pt5H0LfKdlSQsXPeTtr701cti2hw5bytpX9B7ShsmdNJ8TwEW3I0PJGMik_oy85z4RUJaMbdNovwVmXwBQXg_bYu8dDwQedXiAXFx4xhIMOBhYIBccJ2xM0GUJ2xf0Di3P0OmED3mdswcSkS90eXTngcoyNdctZ-5r8EPY46BAnH4-Q8lf0adI-w7e3eYHur6_uLv80u_3N7eXvXWMY60vDwJB-5Fp27dCOo-TcDIMhpOeciYGRruu11BPtrRB6MMYCHYURWgs9Emosu0A_1tynFP8-11Jqjs-pPpRVWy9Q3nEpq4qvKpNizgkm9ZTcotNJUaLOlNWs3iirM2W1Uq6-X6sPaoUXB0ll46DyWpkqG907Cf8B2LuLjw</recordid><startdate>20200130</startdate><enddate>20200130</enddate><creator>Lai, Fang-I.</creator><creator>Yang, Jui-Fu</creator><creator>Hsu, Yu-Chao</creator><creator>Kuo, Shou-Yi</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0003-1758-3911</orcidid><orcidid>https://orcid.org/0000-0002-8541-4047</orcidid></search><sort><creationdate>20200130</creationdate><title>Omnidirectional light harvesting enhancement of dye-sensitized solar cells decorated with two-dimensional ZnO nanoflowers</title><author>Lai, Fang-I. ; Yang, Jui-Fu ; Hsu, Yu-Chao ; Kuo, Shou-Yi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-3ec07b5a84292bb855c99c0075536930447a8af17d66a9ccde1b6c6aa6ab01cd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Crystal structure</topic><topic>DSSC</topic><topic>Dye-sensitized solar cells</topic><topic>Dyes</topic><topic>Electrochemical impedance spectroscopy</topic><topic>Emission analysis</topic><topic>Energy conversion efficiency</topic><topic>Finite difference time domain method</topic><topic>Incidence angle</topic><topic>Incident light</topic><topic>Infrared spectrometers</topic><topic>Light</topic><topic>Light scattering</topic><topic>Morphology</topic><topic>Nanorods</topic><topic>Near infrared radiation</topic><topic>Organic chemistry</topic><topic>Photovoltaic cells</topic><topic>Time domain analysis</topic><topic>Zinc oxide</topic><topic>Zinc oxides</topic><topic>ZnO nanostructures</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lai, Fang-I.</creatorcontrib><creatorcontrib>Yang, Jui-Fu</creatorcontrib><creatorcontrib>Hsu, Yu-Chao</creatorcontrib><creatorcontrib>Kuo, Shou-Yi</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of alloys and compounds</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lai, Fang-I.</au><au>Yang, Jui-Fu</au><au>Hsu, Yu-Chao</au><au>Kuo, Shou-Yi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Omnidirectional light harvesting enhancement of dye-sensitized solar cells decorated with two-dimensional ZnO nanoflowers</atitle><jtitle>Journal of alloys and compounds</jtitle><date>2020-01-30</date><risdate>2020</risdate><volume>815</volume><spage>152287</spage><pages>152287-</pages><artnum>152287</artnum><issn>0925-8388</issn><eissn>1873-4669</eissn><abstract>In this study, the chemical solution method was used to separately fabricate one-dimensional (1D) zinc oxide (ZnO) nanorods (NRs) and two-dimensional (2D) ZnO nanoflowers (NFs) on photoelectrodes for use in dye-sensitized solar cells (DSSCs). ZnO nanostructures (NSs) with different dimensions were grown on the photoelectrodes, and the effects of the NSs on the omnidirectional light-harvesting characteristics of the DSSCs and their bandgap were evaluated. The crystal structures and morphologies of the ZnO NSs were analysed using X-ray diffraction analysis and field-emission scanning electron microscopy, while their dye-adsorption characteristics were determined using an ultraviolet–visible–near infrared spectrometer. In addition, the finite-difference time-domain method was used to simulate the effects of the dimensions of the NSs on their light-scattering properties. The photoelectrodes with the ZnO NSs with different dimensions were then used to construct DSSCs, which were tested using electrochemical impedance spectroscopy as well as with a monochromatic incident photon-to-electron conversion efficiency measurement system and a solar simulator. Furthermore, with an increase in the incidence angle, the light-conversion efficiency of the 1D ZnO NRs reduced by 63.6% while that of the 2D ZnO NFs reduced only by 12%. Thus, DSSCs based on the 2D ZnO NFs are capable of capturing multidirectional incident light and hence ideal for use under scattered-light conditions.
•The ZnO nanoflowers exhibited better dye adsorption properties and a higher haze value than the ZnO nanorods.•FDTD simulations results were found to be consistent with those of actual light-scattering easurements.•DSSC with ZnO nanoflowers was only decreasing 12 % at the high incident-angle and is suitable for wide-angle applications.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jallcom.2019.152287</doi><orcidid>https://orcid.org/0000-0003-1758-3911</orcidid><orcidid>https://orcid.org/0000-0002-8541-4047</orcidid></addata></record> |
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subjects | Crystal structure DSSC Dye-sensitized solar cells Dyes Electrochemical impedance spectroscopy Emission analysis Energy conversion efficiency Finite difference time domain method Incidence angle Incident light Infrared spectrometers Light Light scattering Morphology Nanorods Near infrared radiation Organic chemistry Photovoltaic cells Time domain analysis Zinc oxide Zinc oxides ZnO nanostructures |
title | Omnidirectional light harvesting enhancement of dye-sensitized solar cells decorated with two-dimensional ZnO nanoflowers |
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