Enhancing the efficiency of low-temperature planar perovskite solar cells by modifying the interface between perovskite and hole transport layer with polymers
In this work, planar perovskite solar cells (PSCs) based on CH3NH3PbI3 perovskite layer and low-temperature processed TiO2 have been fabricated. Polymers including poly(methylmethacrylate) (PMMA), poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-pheny- lenevinylene] (MEH-PPV) and polyethylene glycol (PEG) in...
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| Veröffentlicht in: | Electrochimica acta 2018-01, Vol.261, p.445-453 |
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| creator | Cai, Yangyang Zhang, Zongbao Zhou, Yang Liu, Hui Qin, Qiqi Lu, Xubing Gao, Xingsen Shui, Lingling Wu, Sujuan Liu, Junming |
| description | In this work, planar perovskite solar cells (PSCs) based on CH3NH3PbI3 perovskite layer and low-temperature processed TiO2 have been fabricated. Polymers including poly(methylmethacrylate) (PMMA), poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-pheny- lenevinylene] (MEH-PPV) and polyethylene glycol (PEG) in chlorobenzene solution have been selected to modify the interface between perovskite and hole transport layer (HTL), respectively. The concentrations of the three polymer solutions have been optimized. The effect of interfacial modification by different polymer solutions on the photoelectric properties of perovskite layer and the performance of PSCs has been systematically investigated. The microstructure and photoelectric properties of the modified perovskite films has been systematically studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), conducting force microscopy (CFM) and Kelvin probe force microscopy (KPFM). The results reveal that the modified perovskite films with tetrahedral perovskite structure have lager grain size, lower roughness and better photoelectric properties compared with the reference sample. The electron trap state density (Dtrap), charge extraction, carrier transfer and recombination process in the PSCs have been investigated by current-voltage (I-V) characteristic curves, steady-state photoluminescence (PL), photo-voltage decay and electrochemical impedance spectroscopy (EIS). The results indicate that the polymeric interface modification at the optimum concentration can reduce the Dtrap, promote the charge transfer and suppress carrier recombination, resulting in the improved performance of PSCs. All of the modified PSCs at an optimum concentration exhibit the improved fill factor (FF) and open circuit voltage (Voc), thus the power conversion efficiency (PCE) is enhanced to over 17% from 15.49%. |
| doi_str_mv | 10.1016/j.electacta.2017.12.135 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2019029513</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><els_id>S0013468617327007</els_id><sourcerecordid>2019029513</sourcerecordid><originalsourceid>FETCH-LOGICAL-c380t-7c2d8daa0bb364d3c4e97d27d07485c5eb70b4e96d76e13af6854f588584c7843</originalsourceid><addsrcrecordid>eNqFUcFq3DAQFaGFbNN-QwU525Es29IeQ0jSQiCX5CxkadTVViu5kjaLfybfGqWbhN4KA8M83nvDzEPoOyUtJXS82LbgQRdVq-0I5S3tWsqGE7SigrOGiWH9Ca0IoazpRzGeoi85bwkhfORkhZ6vw0YF7cIvXDaAwVqnHQS94Gixj4emwG6GpMo-AZ69CirhOsen_NsVwDn6CmjwPuNpwbtonF3ezVwokKzSgCcoB4Dwr1IFgzfRAy5JhTzHVLBXCyR8cGWD5-iXHaT8FX22ymf49tbP0OPN9cPVj-bu_vbn1eVdo5kgpeG6M8IoRaaJjb1huoc1Nx03hPdi0ANMnEwVGw0fgTJlRzH0dhBiEL3momdn6PzoO6f4Zw-5yG3cp1BXyvrTNenWA2WVxY8snWLOCayck9uptEhK5GsYcis_wngVckk7WcOoysujEuoRTw6SzH_fDMalypcmuv96vACz7Zux</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2019029513</pqid></control><display><type>article</type><title>Enhancing the efficiency of low-temperature planar perovskite solar cells by modifying the interface between perovskite and hole transport layer with polymers</title><source>Access via ScienceDirect (Elsevier)</source><creator>Cai, Yangyang ; Zhang, Zongbao ; Zhou, Yang ; Liu, Hui ; Qin, Qiqi ; Lu, Xubing ; Gao, Xingsen ; Shui, Lingling ; Wu, Sujuan ; Liu, Junming</creator><creatorcontrib>Cai, Yangyang ; Zhang, Zongbao ; Zhou, Yang ; Liu, Hui ; Qin, Qiqi ; Lu, Xubing ; Gao, Xingsen ; Shui, Lingling ; Wu, Sujuan ; Liu, Junming</creatorcontrib><description>In this work, planar perovskite solar cells (PSCs) based on CH3NH3PbI3 perovskite layer and low-temperature processed TiO2 have been fabricated. Polymers including poly(methylmethacrylate) (PMMA), poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-pheny- lenevinylene] (MEH-PPV) and polyethylene glycol (PEG) in chlorobenzene solution have been selected to modify the interface between perovskite and hole transport layer (HTL), respectively. The concentrations of the three polymer solutions have been optimized. The effect of interfacial modification by different polymer solutions on the photoelectric properties of perovskite layer and the performance of PSCs has been systematically investigated. The microstructure and photoelectric properties of the modified perovskite films has been systematically studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), conducting force microscopy (CFM) and Kelvin probe force microscopy (KPFM). The results reveal that the modified perovskite films with tetrahedral perovskite structure have lager grain size, lower roughness and better photoelectric properties compared with the reference sample. The electron trap state density (Dtrap), charge extraction, carrier transfer and recombination process in the PSCs have been investigated by current-voltage (I-V) characteristic curves, steady-state photoluminescence (PL), photo-voltage decay and electrochemical impedance spectroscopy (EIS). The results indicate that the polymeric interface modification at the optimum concentration can reduce the Dtrap, promote the charge transfer and suppress carrier recombination, resulting in the improved performance of PSCs. All of the modified PSCs at an optimum concentration exhibit the improved fill factor (FF) and open circuit voltage (Voc), thus the power conversion efficiency (PCE) is enhanced to over 17% from 15.49%.</description><identifier>ISSN: 0013-4686</identifier><identifier>EISSN: 1873-3859</identifier><identifier>DOI: 10.1016/j.electacta.2017.12.135</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Atomic force microscopy ; Atomic structure ; Carrier recombination ; Charge density ; Charge transfer ; Current carriers ; Electrochemical impedance spectroscopy ; Electron microscopy ; Energy conversion efficiency ; Grain size ; Interface modification by polymers ; Lager ; Low temperature ; Low-temperature TiO2 compact layer ; Open circuit voltage ; Perovskite ; Perovskite structure ; Photoelectric effect ; Photoelectric properties ; Photoelectricity ; Photoluminescence ; Photovoltaic cells ; Planar perovskite solar cells ; Polyethylene glycol ; Polymers ; Polymethyl methacrylate ; Properties (attributes) ; Scanning electron microscopy ; Solar cells ; Titanium dioxide ; Transport ; X-ray diffraction</subject><ispartof>Electrochimica acta, 2018-01, Vol.261, p.445-453</ispartof><rights>2017 Elsevier Ltd</rights><rights>Copyright Elsevier BV Jan 20, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c380t-7c2d8daa0bb364d3c4e97d27d07485c5eb70b4e96d76e13af6854f588584c7843</citedby><cites>FETCH-LOGICAL-c380t-7c2d8daa0bb364d3c4e97d27d07485c5eb70b4e96d76e13af6854f588584c7843</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.electacta.2017.12.135$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Cai, Yangyang</creatorcontrib><creatorcontrib>Zhang, Zongbao</creatorcontrib><creatorcontrib>Zhou, Yang</creatorcontrib><creatorcontrib>Liu, Hui</creatorcontrib><creatorcontrib>Qin, Qiqi</creatorcontrib><creatorcontrib>Lu, Xubing</creatorcontrib><creatorcontrib>Gao, Xingsen</creatorcontrib><creatorcontrib>Shui, Lingling</creatorcontrib><creatorcontrib>Wu, Sujuan</creatorcontrib><creatorcontrib>Liu, Junming</creatorcontrib><title>Enhancing the efficiency of low-temperature planar perovskite solar cells by modifying the interface between perovskite and hole transport layer with polymers</title><title>Electrochimica acta</title><description>In this work, planar perovskite solar cells (PSCs) based on CH3NH3PbI3 perovskite layer and low-temperature processed TiO2 have been fabricated. Polymers including poly(methylmethacrylate) (PMMA), poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-pheny- lenevinylene] (MEH-PPV) and polyethylene glycol (PEG) in chlorobenzene solution have been selected to modify the interface between perovskite and hole transport layer (HTL), respectively. The concentrations of the three polymer solutions have been optimized. The effect of interfacial modification by different polymer solutions on the photoelectric properties of perovskite layer and the performance of PSCs has been systematically investigated. The microstructure and photoelectric properties of the modified perovskite films has been systematically studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), conducting force microscopy (CFM) and Kelvin probe force microscopy (KPFM). The results reveal that the modified perovskite films with tetrahedral perovskite structure have lager grain size, lower roughness and better photoelectric properties compared with the reference sample. The electron trap state density (Dtrap), charge extraction, carrier transfer and recombination process in the PSCs have been investigated by current-voltage (I-V) characteristic curves, steady-state photoluminescence (PL), photo-voltage decay and electrochemical impedance spectroscopy (EIS). The results indicate that the polymeric interface modification at the optimum concentration can reduce the Dtrap, promote the charge transfer and suppress carrier recombination, resulting in the improved performance of PSCs. All of the modified PSCs at an optimum concentration exhibit the improved fill factor (FF) and open circuit voltage (Voc), thus the power conversion efficiency (PCE) is enhanced to over 17% from 15.49%.</description><subject>Atomic force microscopy</subject><subject>Atomic structure</subject><subject>Carrier recombination</subject><subject>Charge density</subject><subject>Charge transfer</subject><subject>Current carriers</subject><subject>Electrochemical impedance spectroscopy</subject><subject>Electron microscopy</subject><subject>Energy conversion efficiency</subject><subject>Grain size</subject><subject>Interface modification by polymers</subject><subject>Lager</subject><subject>Low temperature</subject><subject>Low-temperature TiO2 compact layer</subject><subject>Open circuit voltage</subject><subject>Perovskite</subject><subject>Perovskite structure</subject><subject>Photoelectric effect</subject><subject>Photoelectric properties</subject><subject>Photoelectricity</subject><subject>Photoluminescence</subject><subject>Photovoltaic cells</subject><subject>Planar perovskite solar cells</subject><subject>Polyethylene glycol</subject><subject>Polymers</subject><subject>Polymethyl methacrylate</subject><subject>Properties (attributes)</subject><subject>Scanning electron microscopy</subject><subject>Solar cells</subject><subject>Titanium dioxide</subject><subject>Transport</subject><subject>X-ray diffraction</subject><issn>0013-4686</issn><issn>1873-3859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFUcFq3DAQFaGFbNN-QwU525Es29IeQ0jSQiCX5CxkadTVViu5kjaLfybfGqWbhN4KA8M83nvDzEPoOyUtJXS82LbgQRdVq-0I5S3tWsqGE7SigrOGiWH9Ca0IoazpRzGeoi85bwkhfORkhZ6vw0YF7cIvXDaAwVqnHQS94Gixj4emwG6GpMo-AZ69CirhOsen_NsVwDn6CmjwPuNpwbtonF3ezVwokKzSgCcoB4Dwr1IFgzfRAy5JhTzHVLBXCyR8cGWD5-iXHaT8FX22ymf49tbP0OPN9cPVj-bu_vbn1eVdo5kgpeG6M8IoRaaJjb1huoc1Nx03hPdi0ANMnEwVGw0fgTJlRzH0dhBiEL3momdn6PzoO6f4Zw-5yG3cp1BXyvrTNenWA2WVxY8snWLOCayck9uptEhK5GsYcis_wngVckk7WcOoysujEuoRTw6SzH_fDMalypcmuv96vACz7Zux</recordid><startdate>20180120</startdate><enddate>20180120</enddate><creator>Cai, Yangyang</creator><creator>Zhang, Zongbao</creator><creator>Zhou, Yang</creator><creator>Liu, Hui</creator><creator>Qin, Qiqi</creator><creator>Lu, Xubing</creator><creator>Gao, Xingsen</creator><creator>Shui, Lingling</creator><creator>Wu, Sujuan</creator><creator>Liu, Junming</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20180120</creationdate><title>Enhancing the efficiency of low-temperature planar perovskite solar cells by modifying the interface between perovskite and hole transport layer with polymers</title><author>Cai, Yangyang ; Zhang, Zongbao ; Zhou, Yang ; Liu, Hui ; Qin, Qiqi ; Lu, Xubing ; Gao, Xingsen ; Shui, Lingling ; Wu, Sujuan ; Liu, Junming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-7c2d8daa0bb364d3c4e97d27d07485c5eb70b4e96d76e13af6854f588584c7843</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Atomic force microscopy</topic><topic>Atomic structure</topic><topic>Carrier recombination</topic><topic>Charge density</topic><topic>Charge transfer</topic><topic>Current carriers</topic><topic>Electrochemical impedance spectroscopy</topic><topic>Electron microscopy</topic><topic>Energy conversion efficiency</topic><topic>Grain size</topic><topic>Interface modification by polymers</topic><topic>Lager</topic><topic>Low temperature</topic><topic>Low-temperature TiO2 compact layer</topic><topic>Open circuit voltage</topic><topic>Perovskite</topic><topic>Perovskite structure</topic><topic>Photoelectric effect</topic><topic>Photoelectric properties</topic><topic>Photoelectricity</topic><topic>Photoluminescence</topic><topic>Photovoltaic cells</topic><topic>Planar perovskite solar cells</topic><topic>Polyethylene glycol</topic><topic>Polymers</topic><topic>Polymethyl methacrylate</topic><topic>Properties (attributes)</topic><topic>Scanning electron microscopy</topic><topic>Solar cells</topic><topic>Titanium dioxide</topic><topic>Transport</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cai, Yangyang</creatorcontrib><creatorcontrib>Zhang, Zongbao</creatorcontrib><creatorcontrib>Zhou, Yang</creatorcontrib><creatorcontrib>Liu, Hui</creatorcontrib><creatorcontrib>Qin, Qiqi</creatorcontrib><creatorcontrib>Lu, Xubing</creatorcontrib><creatorcontrib>Gao, Xingsen</creatorcontrib><creatorcontrib>Shui, Lingling</creatorcontrib><creatorcontrib>Wu, Sujuan</creatorcontrib><creatorcontrib>Liu, Junming</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Electrochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cai, Yangyang</au><au>Zhang, Zongbao</au><au>Zhou, Yang</au><au>Liu, Hui</au><au>Qin, Qiqi</au><au>Lu, Xubing</au><au>Gao, Xingsen</au><au>Shui, Lingling</au><au>Wu, Sujuan</au><au>Liu, Junming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhancing the efficiency of low-temperature planar perovskite solar cells by modifying the interface between perovskite and hole transport layer with polymers</atitle><jtitle>Electrochimica acta</jtitle><date>2018-01-20</date><risdate>2018</risdate><volume>261</volume><spage>445</spage><epage>453</epage><pages>445-453</pages><issn>0013-4686</issn><eissn>1873-3859</eissn><abstract>In this work, planar perovskite solar cells (PSCs) based on CH3NH3PbI3 perovskite layer and low-temperature processed TiO2 have been fabricated. Polymers including poly(methylmethacrylate) (PMMA), poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-pheny- lenevinylene] (MEH-PPV) and polyethylene glycol (PEG) in chlorobenzene solution have been selected to modify the interface between perovskite and hole transport layer (HTL), respectively. The concentrations of the three polymer solutions have been optimized. The effect of interfacial modification by different polymer solutions on the photoelectric properties of perovskite layer and the performance of PSCs has been systematically investigated. The microstructure and photoelectric properties of the modified perovskite films has been systematically studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), conducting force microscopy (CFM) and Kelvin probe force microscopy (KPFM). The results reveal that the modified perovskite films with tetrahedral perovskite structure have lager grain size, lower roughness and better photoelectric properties compared with the reference sample. The electron trap state density (Dtrap), charge extraction, carrier transfer and recombination process in the PSCs have been investigated by current-voltage (I-V) characteristic curves, steady-state photoluminescence (PL), photo-voltage decay and electrochemical impedance spectroscopy (EIS). The results indicate that the polymeric interface modification at the optimum concentration can reduce the Dtrap, promote the charge transfer and suppress carrier recombination, resulting in the improved performance of PSCs. All of the modified PSCs at an optimum concentration exhibit the improved fill factor (FF) and open circuit voltage (Voc), thus the power conversion efficiency (PCE) is enhanced to over 17% from 15.49%.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.electacta.2017.12.135</doi><tpages>9</tpages></addata></record> |
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| ispartof | Electrochimica acta, 2018-01, Vol.261, p.445-453 |
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| subjects | Atomic force microscopy Atomic structure Carrier recombination Charge density Charge transfer Current carriers Electrochemical impedance spectroscopy Electron microscopy Energy conversion efficiency Grain size Interface modification by polymers Lager Low temperature Low-temperature TiO2 compact layer Open circuit voltage Perovskite Perovskite structure Photoelectric effect Photoelectric properties Photoelectricity Photoluminescence Photovoltaic cells Planar perovskite solar cells Polyethylene glycol Polymers Polymethyl methacrylate Properties (attributes) Scanning electron microscopy Solar cells Titanium dioxide Transport X-ray diffraction |
| title | Enhancing the efficiency of low-temperature planar perovskite solar cells by modifying the interface between perovskite and hole transport layer with polymers |
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